CN101911927B - Incubation method for enhancing day hatchability rate of silkworm eggs - Google Patents
Incubation method for enhancing day hatchability rate of silkworm eggs Download PDFInfo
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Abstract
The invention discloses an incubation method for enhancing the day hatchability rate of silkworm eggs, comprising the following steps of: concretely setting the environmental parameters of embryonic development stages from D1 to F5 by taking the D1 as an incubating and temperature-increasing initial embryo; when staged embryonic development lag rate alpha is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be higher than the temperature upper limit value of a corresponding embryonic development stage by 0.5-1 DEG C, wherein the environmental humidity of the embryonic development stage is increased by 3-5 percent on the basis of a humidity upper limit value of the corresponding embryonic development stage; and when staged embryonic development advance rate beta is higher than or equal to 5 percent, regulating the environmental temperate of the embryonic development stage to be lower than the temperature lower limit of the corresponding embryonic development stage by 0.5-1 DEG C. The incubation method not only reasonably and accurately determines the environmental condition parameters of the development stages of the silkworm egg, but also carries out the mutual matching and coordination among the environmental parameters of the embryonic development stages, is convenient to implement the staged regulation for the silkworm eggs and has very wide popularization and application prospect.
Description
Technical field
The present invention relates to the sericulture technology, relate in particular to a kind of method of silkworm hatching of silkworm egg.
Background technology
It is an agricultural production activity technical strong, that the environmental condition requirement is high, operational sequence is complicated that silkworm already produces, and has aquaculture and plants the characteristics that industry combines of growing.With regard to its sericulture, it is just comprising sericulture preparation, hatching of silkworm egg, is collecting ants, raises up to a plurality of production processes such as the harvesting of cocoons of putting on an arrow, has only each the operation process of breeding silkworms of controlling well scientifically and rationally, just can produce the silk cocoon and the high-grade silk product of good quality and high output, to obtain higher economic benefit.
Hatching of silkworm egg is again the important step on sericulture is produced, and is the guarantee that obtains the silk cocoon good quality and high output.Though the silkworm egg of activation also can develop into newly-hatched silkworm under field conditions (factors) and hatch, but temp. and humidity is changeable under the natural conditions, irrational temp. and humidity environmental condition can cause that newly-hatched silkworm hatching is uneven, speed differs, incubation rate is low, ant body weakness, cocoon yield are low, of poor quality, and be difficult to be controlled at concentrate suitable period and collect ants, cause too much in batches, the raising difficulty is big, and easy cross-infection morbidity is criticized in front and back.And pass through hatching of silkworm egg; make preservation of silkworm eggs under rational environmental condition; the embryo can be successfully grows towards producing needed direction, makes that newly-hatched silkworm hatches on a predetermined date, the incubation rate height, hatching is neat, the ant body is strong, for the raising of silkworm and the high grade producing of cocoon are established solid foundation.
Silkworm egg embryo's growth is a continuous process, and hastening the hatching of silkworms usually generally needs about 10 days.Domestic silkworm industry is divided into the embryonic development form from first, second according to the embryonic development feature of hastening the hatching of silkworms
1Until
4,
5Totally 15 developmental stage, this division is not to the dividing equally of embryo development procedure, and the stage of hatching of silkworm egg growth course sign.Because each stage embryo's development degree difference, thereby also there is very big difference in each stage embryo's control environment.The actual selection control that comprises factors such as each phase temperature, humidity, light and air of the suitable environmental condition of hastening the hatching of silkworms more comprises the mutual coordination between factors such as temperature, humidity, light and air between each embryonic development stage.Reflection is hastened the hatching of silkworms, and whether factors such as temperature, humidity, light and air are correctly selected and the important indicator coordinating to mate is hatching of silkworm egg incubation rate on the one, the height of hatching of silkworm egg incubation rate on the one directly embodies the success or failure of hatching of silkworm egg technology, the number of days length of hastening the hatching of silkworms, the more direct power that affects newly-hatched silkworm physique, and voltinism changes the good and bad and output height with cocoon quality.So silkworm egg changes blue or green homogeneous, the ant body is strong is that all peasants and silkworm industry technical staff expect and demand.
Though in the existing technology of hastening the hatching of silkworms, people have grasped the preference temperature condition of each developmental stage of silkworm egg embryo comparatively exactly, and the humidity range of roughly understanding each stage, the reason of incubation rate on the one not only comprises temperature, humidity but influence is hastened the hatching of silkworms, also comprise many environmental factors such as time point, light and air-flow, more be subjected to the influence of self-conditions such as cultivated silkworm breed variety, strain, incubation rate on the one is actual to be the result of composite factor effects such as silkworm egg internal cause, external cause.In the prior art, outside people's decapacitation was quantitatively regulated exactly to temperature, influence factor still stayed in qualitative control mostly, and it is big to cause the growth of silkworm egg front and back to open difference inevitably.Moreover owing to each embryonic development stage is not the evenly simple of whole growth course, each developmental stage exists duration, rate of development, the marked difference of suitable condition, and incubation rate on the one only is the sign to whole embryonic development stage end product, it is the concentrated reflection of each phasic development situation quality of embryo, exist reciprocal influence between each stage with related, and people only pay close attention to the hatch results of hastening the hatching of silkworms in the existing technology of hastening the hatching of silkworms, and ignore in good time regulation and control to each stage of growth course, both failed each embryonic development stage environment factor is carried out reasonably optimizing and difference adjusting, do not note the mutual coupling of environmental condition between each developmental stage yet and coordinate selection, form the dispersion of silkworm egg hatching, seriously restricted the raising of the neat rate of hatching of hastening the hatching of silkworms.Therefore, in the existing technology of hastening the hatching of silkworms, exist still that silkworm egg incubation rate on the one is not high, many in batches, more than the recruitment and the strong inadequately defective of ant body.
Summary of the invention
At the above-mentioned deficiency of existing in prior technology, technical problem to be solved by this invention is, a kind of method of hastening the hatching of silkworms that improves one date of silkworm egg incubation rate is provided, this method of hastening the hatching of silkworms can not only rationally be determined the environmental condition parameter of silkworm egg developmental stage, and mutual matching and coordination between each stage environment parameter, data are accurate, are convenient to silkworm egg is implemented to adjust stage by stage.
In order to solve the problems of the technologies described above, the present invention improves the method for hastening the hatching of silkworms of silkworm egg incubation rate on the one, is with fourth
1The initial embryo who heats for hastening the hatching of silkworms, the environmental parameter in each embryonic development stage is:
(1) with fourth
1Embryo's silkworm egg places the environment of temperature T=20 ℃～22 ℃, relative moisture B=65%～70%, intensity of illumination Lx=100～200 luxs, air velocity V=0.15～0.25m/s, grows through 10h to be fourth
2The embryo;
(2) fourth
2Temperature T=21.5 that embryo's silkworm egg is grown ℃～22.5 ℃, relative moisture B=70%～75%, air velocity V=0.15～0.25m/s, growing through 24h is penta
1The embryo, wherein intensity of illumination Lx=100～200 luxs keep 12h;
(3) penta
1Temperature T=21.5 that embryo's silkworm egg is grown ℃～22.5 ℃, relative moisture B=71%～79%, air velocity V=0.15～0.25m/s, growing through 24h is penta
2The embryo, wherein intensity of illumination Lx=100～200 luxs keep 12h;
(4) penta
2Temperature T=23.5 that embryo's silkworm egg is grown ℃～24.5 ℃, relative moisture B=75%～84%, air velocity V=0.20～0.30m/s, growing through 24h is penta
3The embryo, wherein intensity of illumination Lx=150～250 luxs keep 12h;
(5) penta
3Temperature T=25 that embryo's silkworm egg is grown ℃～25.5 ℃, relative moisture B=84%～92%, air velocity V=0.25～0.35m/s grow for through 24h
1The embryo, wherein intensity of illumination Lx=200～300 luxs keep 18h;
(6) 1 embryo's silkworm egg temperature T=25 of growing ℃～25.5 ℃, relative moisture B=86%～94%, air velocity V=0.30～0.40m/s grow for through 24h
2The embryo, wherein intensity of illumination Lx=250～350 luxs keep 18h;
(7)
2Temperature T=25.2 that embryo's silkworm egg is grown ℃～25.8 ℃, relative moisture B=88%～94%, air velocity V=0.30～0.40m/s grow for through 24h
3The embryo, wherein intensity of illumination Lx=250～350 luxs keep 18h;
(8)
3Temperature T=25 that embryo's silkworm egg is grown ℃～26 ℃, relative moisture B=90%～96%, air velocity V=0.30～0.40m/s grow for through 24h
4The embryo, wherein intensity of illumination Lx=250～350 luxs keep 18h;
(9)
4Temperature T=24.5 that embryo's silkworm egg is grown ℃～25.5 ℃, relative moisture B=90%～96%, air velocity V=0.35～0.45m/s, illumination be dark, through the 24h growth for
5The embryo;
(10)
5Temperature T=23.5 that embryo's silkworm egg is grown ℃～24.5 ℃, relative moisture B=90%～95%, intensity of illumination be in the environment of dark, air velocity V=0.25～0.35m/s, hatch into newly-hatched silkworm through 48～60h.2h temperature T before collecting ants=25.5 ℃, relative moisture B=90%～95%, intensity of illumination Lx=400 lux, air velocity V=0.25～0.35m/s;
When stage embryonic development hysteresis rate α 〉=5%, the environmental temperature in this embryonic development stage is adjusted to is higher than 0.5～1 ℃ of respective embryo developmental stage temperature upper limit, its ambient humidity increases by 3～5% on this respective embryo developmental stage humidity higher limit basis;
When the leading rate β of stage embryonic development 〉=5%, the environmental temperature in this embryonic development stage is adjusted to is lower than 0.5～1 ℃ of above-mentioned respective embryo developmental stage lowest temperature value.
The silkworm egg sum of described sampling observation is at least 20.
The present invention compared with prior art has following significant advantage:
At first, because the present invention has not only paid attention to the material impact of temperature to hatching of silkworm egg, and pay close attention to temperature on the whole, humidity, light and air-flow are to the comprehensive function of the process silkworm egg embryonic development of hastening the hatching of silkworms, and optimizing analysis, on the basis of choose reasonable, the degree of association to each developmental stage of embryo and environmental parameter quantizes, thereby expressed the environmental condition parameter of hastening the hatching of silkworms exactly, solved in the prior art humidity, the qualitative description of light and air-flow, the technical problem that is difficult to actual regulation and control, whole numerical quantizations of environmental parameter have realized hastening the hatching of silkworms, from truly having reached accurate adjusting control to the silkworm egg environment, for the hatching of newly-hatched silkworm neat, the ant body is strong haves laid a good foundation.
Second, because the present invention is optimized respectively on the basis of selection in the environmental conditions such as temperature, humidity, light and air-flow to each developmental stage of silkworm egg embryo, also taken all factors into consideration development characteristics, the growth trend of embryo in each developmental stage, and the correlation between each developmental stage and influencing each other, accurately select the environmental parameter value in each stage, make it mutual coordination, mutually coupling; On stage control and Total tune, obtain the double technique effect, simple control with regard to each developmental stage environmental factor has more superior technical functionality merely, thereby guaranteed the silkworm egg incubation rate, the ant body is strong and incubation rate height on the one, also guaranteed high yield good harvest, the good quality and high output of silk cocoon.
The 3rd, because the present invention when embryonic development is poor because of multiple factor has out slightly, can in time regulate environmental parameter by rational method, guarantee each stage embryo's synchronism and uniformity.In the hatching of silkworm egg practice, even choose reasonable the environmental parameter of each developmental stage, and guarantee mutual coordination coupling between each stage parameter, also be difficult to avoid because of factor affecting such as kind of a field, freezer, kind, season occur growing open poor, poor accumulation is opened in each phasic development, the priority difference that must cause the silkworm egg brooding time again, having a strong impact on silkworm egg changes blue or green homogeneous.Corresponding environmental parameter is in time selected and regulated to the inventive method by the accurate assurance to each stage embryonic development hysteresis rate or leading rate, eliminates phasic development difference, makes it to reach unanimity, to guarantee the raising of incubation rate on the one in the future.
The 4th, because the present invention adopts the complex art means, each technological means interphase interaction, support have mutually produced superior and unexpected sericulture technique effect.The method of hastening the hatching of silkworms of the present invention is not only optimized the environmental parameter of having selected each developmental stage of silkworm egg, but also notes the mutual coordination coupling between each stage parameter, simultaneously again by the timely adjustment to each developmental stage environmental parameter, eliminates phasic development and opens poor accumulation.The applicant is by a large amount of analysis of experiments and contrast repeatedly, this method has silkworm egg incubation rate height, the neat distinguishing feature of hatching, one day, incubation rate stably remained on more than 98%, big quantum jump prior art incubation rate on the one pace up and down in 90%～95% level; Ant body after the hatching of what is more important silkworm egg is strong, vitality is strong, helps the raising of silkworm and the enhancing of physique, has improved the mulberry leaf availability greatly, has saved the sericulture cost, has guaranteed the good quality and high output of silk cocoon and silk.
Embodiment
Below in conjunction with specific embodiment the method for hastening the hatching of silkworms of the present invention is done further detailed elaboration.
Embodiment 1:
Silkworm egg to be hastened the hatching of silkworms batch is: spring silkworm rearing season in 2009, sky, Dongtai City, Jiangsu Province profit silkworm egg company autumn system spring in 2008 usefulness day is moistened 149 batches of bright moon cyanines pines.When the silkworm egg freezer took out, the silkworm egg embryonic development stage was in fourth
1, the production schedule of hastening the hatching of silkworms is in hatching on the 12nd of outbound, and the time of hastening the hatching of silkworms is 272～280h, and the incubation rate on the one that hastens the hatching of silkworms is 99%.
Entered the chamber of hastening the hatching of silkworms preceding about 10 days at silkworm egg, with disinfecting of the ultraviolet chamber of hastening the hatching of silkworms, to kill harmful cause of disease, door and window is opened in the sterilization back, fully hydrofuge.Silkworm egg need be guaranteed in 4h silkworm egg to be sent into the chamber of hastening the hatching of silkworms after leaving outer storehouse, and in time pushes away kind, piles up the time to shorten silkworm egg; The stand kind after immediately the cleaning sweep the room floor that hastens the hatching of silkworms, and with ozone to indoor the carrying out disinfection of hastening the hatching of silkworms.
By being sampled, silkworm egg dissects, to guarantee the silkworm egg embryonic development stage.Anatomical environment; Dissect 24 ℃～26 ℃ of temperature, available light and air-flow avoid high light direct projection and high wind directly to blow.Dissect soup: KOH, concentration 18% ± 2%, 95 ℃ ± 2 ℃ of medicine temperature leave standstill after the medicine temperature is boiled and scald kind of a dissection after 1-2 minute.After the sampling observation silkworm egg is determined the embryonic development stage, hasten the hatching of silkworms according to environmental condition of the present invention, and the initial time point of determining to hasten the hatching of silkworms, zero computing time, begin to carry out hatching of silkworm egg.All inspect evaluation by random samples in each stage of silkworm egg and grow homogeneous, pass judgment on its stage with stage embryonic development hysteresis rate or leading rate
Hatching of silkworm egg chamber main environment parameter control and regulation method is as follows:
Temperature control: heat up and carried out by the room air heating wire of heating, cooling is carried out by the indoor and outdoor air-conditioner.The heating wire energising is heated, and mainly is spring silkworm rearing season and silkworm rearing season employing in late fall.Air-conditioner cooling mainly be the summer silkworm and middle autumn silkworm rearing season adopt.
Humidity control: carry out by indoor anion humidifying device.
Light control: the fluorescent lamp by indoor equally distributed 16 40w is supplied with, and adjusts control according to light application time and intensity that each stage is required.
Air-flow control: by indoor six ventilating ducts and 6 gas exchange and execution of flow velocity control system that ventilating fan is formed.
Sterilization control: adopt ultraviolet ray and ozone to carry out sterilizing, avoid the chlorinated product used always and formaldehyde preparation to the corrosion of instrument and equipment with to personnel's injury.Indoor disinfecting time should be chosen in carries out each 25-30min, every 24h2 time after in-house operation finishes.Preparation before disinfection by ultraviolet light is used to hasten the hatching of silkworms is carried out by the ultraviolet light of indoor installation.Ozonization is used for the process of hastening the hatching of silkworms, and is carried out by ozone generator.
All environment controls are all by computer control.
It is as follows that silkworm egg enters behind the chamber of hastening the hatching of silkworms the environmental parameter in each stage:
Survey sample 40 silkworm eggs, determining to enter the hasten the hatching of silkworms initial embryo of silkworm egg of chamber is fourth
1Its stage embryonic development hysteresis rate α or the leading rate β of stage embryonic development all should be no more than 5%, the initial environmental parameter in chamber of hastening the hatching of silkworms this moment is adjusted to temperature T=21 ℃, relative moisture B=67.5%, intensity of illumination Lx=150 lux, air velocity V=0.2m/s, silkworm egg keeps 10h in this environment, make the silkworm egg embryonic development to fourth
2Should stage embryonic development hysteresis rate α through inspecting initial silkworm egg ground by random samples 〉=5% o'clock, promptly there are 2 or above embryo still to be in third in Chou Yangjiancha 40 silkworm eggs
2, third
1, even when this last stage, then the room temperature of hastening the hatching of silkworms should be adjusted to and compare fourth
123 ℃ of 22 ℃ high 1 ℃ of 20 ℃～22 ℃ higher limit of developmental stage temperature controlling range, humidity is then in fourth
1Phasic development relative moisture 65%～70% upper limit humidity value basis increases by 5%, promptly is adjusted to 72.5%, to accelerate the rate of development of silkworm egg embryo in this stage.When the leading rate β of this stage embryonic development 〉=5%, promptly in Chou Yangjiancha 40 silkworm eggs, there are 2 or above embryo to be in fourth
2Even penta during the stage, and the room temperature of then will hastening the hatching of silkworms is adjusted to and compares fourth
120 ℃ of 19 ℃ of hanging down 1 ℃ of 20 ℃～22 ℃ lower limits of developmental stage temperature controlling range are to slow down the rate of development of silkworm egg embryo in this stage.
Enter to fourth in the silkworm egg growth
2During the stage, the homogeneous degree of still advanced line sampling inspection to determine that the silkworm egg embryonic development is grown, extract 40 its hysteresis rate α or leading rate β all is no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=22 ℃, relative moisture B=72.5%, intensity of illumination Lx=150 lux retention time are 12h (surplus be available light), the air velocity V=0.2m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
1When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23.5 ℃, relative moisture B=80%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=20.5 ℃.This stage reaches the equal and fourth with the environmental parameter method of adjustment of next stage
1The stage method of adjustment is identical.
Enter to penta in the silkworm egg growth
1Stage, extract 40 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=22 ℃, relative moisture B=75%, intensity of illumination Lx=150 lux retention time are 12h (surplus be available light), the air velocity V=0.2m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
2When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23.5 ℃, relative moisture B=84%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=20.5 ℃.
Enter to penta in the silkworm egg growth
2Stage, extract 40 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=24 ℃, relative moisture B=89%, intensity of illumination Lx=200 lux retention time are 12h (surplus be available light), the air velocity V=0.25m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
3When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25.5 ℃, relative moisture B=85%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=22.5 ℃.
Enter to penta in the silkworm egg growth
3Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.3 ℃, relative moisture B=88%, intensity of illumination Lx=250 lux retention time are 18h (surplus be available light), the air velocity V=0.30m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
1When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=95%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
1Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.3 ℃, relative moisture B=89%, intensity of illumination Lx=300 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
2When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
2Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.5 ℃, relative moisture B=92%, intensity of illumination Lx=300 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
3When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
3Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.5 ℃, relative moisture B=90%, intensity of illumination Lx=300 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
4When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24 ℃, and carry out full shading treatment.
Enter in the silkworm egg growth
4Stage, earlier extract 30, and its hysteresis rate α or leading rate β all be no more than at 5% o'clock, will hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25 ℃, relative moisture B=92%, air velocity V=0.40m/s, silkworm egg through 24h, makes the silkworm egg embryo extremely in the shading dark surrounds
5When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24 ℃, and carry out full shading treatment.
Enter in the silkworm egg growth
5Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=24 ℃, relative moisture B=90%, intensity of illumination Lx=300 lux retention time are 2h (surplus add the available light time for 24h dark), the air velocity V=0.30m/s before collecting ants, silkworm egg through 24h, makes the silkworm egg embryo hatch into newly-hatched silkworm in this environment.When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25.5 ℃, relative moisture B=98%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=22 ℃, and carry out full shading treatment.
At silkworm egg from fourth
1Grow extremely
5Each developmental stage in, when stage embryonic development hysteresis rate 〉=5% or the leading rate β of phasic development 〉=5%, all should adjust a silkworm egg position by every 12h, and make it concentrated relatively, silkworm seed box on the silkworm egg frame for example hastens the hatching of silkworms in the chamber, the distance of putting between level and between ectonexine reduces, the space that makes it to occupy dwindles relatively, thereby reduce the difference of environmental factors such as temperature humidity, and every 12h the silkworm seed box of silkworm egg frame is carried out about, about about position adjustment, make the silkworm seed box environmental condition of living in balance that more becomes, thereby guarantee the uniform of embryonic development degree.
In the above-described embodiments, by following the tracks of each silkworm egg developmental stage property of hastening the hatching of silkworms continuously, silkworm egg embryonic development environmental parameter is controlled in strictness, and timing monitoring is regulated, and incubation rate reached more than 99% on 1st, and incubation rate is better than qualitative data and production requirement greatly.
Embodiment 2:
The silkworm egg that hastens the hatching of silkworms batch is: the mid-autumn in 2008 silkworm, Binhai County, the Jiangsu Province seed station spring system autumn in 2008, the incubation rate on the one that hastens the hatching of silkworms was 99% with 12 batches of cyanines pine bright moons.
Plant at the stand of disinfecting, enter the room of hatching of silkworm egg chamber, sampling is dissected and all identical with above-mentioned enforcement of homogeneous grown in evaluation.Hatching of silkworm egg chamber main environment parameter control and regulation method is also identical with above-mentioned enforcement.
But it is as follows that it enters behind the chamber of hastening the hatching of silkworms the environmental parameter in each stage:
Survey sample 40 silkworm eggs, determining to enter the hasten the hatching of silkworms initial embryo of silkworm egg of chamber is fourth
1Its stage embryonic development hysteresis rate α or the leading rate β of stage embryonic development all should be no more than 5%, the initial environmental parameter in chamber of hastening the hatching of silkworms this moment is adjusted to temperature T=22 ℃, relative moisture B=70%, intensity of illumination Lx=200 lux, air velocity V=0.25m/s, silkworm egg keeps 10h in this environment, make the silkworm egg embryonic development to fourth
2Should stage embryonic development hysteresis rate α through inspecting initial silkworm egg ground by random samples 〉=5% o'clock, promptly there are 2 or above embryo still to be in third in Chou Yangjiancha 40 silkworm eggs
2, third
1, even when this last stage, then the room temperature of hastening the hatching of silkworms should be adjusted to and compare fourth
123 ℃ of 22 ℃ high 1 ℃ of 20 ℃～22 ℃ higher limit of developmental stage temperature controlling range, humidity is then in fourth
1Phasic development relative moisture 65%～70% upper limit humidity value basis increases by 5%, promptly is adjusted to 75%, to accelerate the rate of development of silkworm egg embryo in this stage.When the leading rate β of this stage embryonic development 〉=5%, promptly in Chou Yangjiancha 40 silkworm eggs, there are 2 or above embryo to be in fourth
2Even penta during the stage, and the room temperature of then will hastening the hatching of silkworms is adjusted to and compares fourth
120 ℃ of 19 ℃ of hanging down 1 ℃ of 20 ℃～22 ℃ lower limits of developmental stage temperature controlling range are to slow down the rate of development of silkworm egg embryo in this stage.
Enter to fourth in the silkworm egg growth
2During the stage, the homogeneous degree of still advanced line sampling inspection to determine that the silkworm egg embryonic development is grown, extract 40 its hysteresis rate α or leading rate β all is no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=22.5 ℃, relative moisture B=75%, intensity of illumination Lx=200 lux retention time are 12h (surplus be available light), the air velocity V=0.25m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
1When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23.5 ℃, relative moisture B=80%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=20.5 ℃.This stage reaches the equal and fourth with the environmental parameter method of adjustment of next stage
1The stage method of adjustment is identical.
Enter to penta in the silkworm egg growth
1Stage, extract 40 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=22.5 ℃, relative moisture B=79%, intensity of illumination Lx=200 lux retention time are 12h (surplus be available light), the air velocity V=0.2m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
2When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23.5 ℃, relative moisture B=84%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=21 ℃.
Enter to penta in the silkworm egg growth
2Stage, extract 40 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=24.5 ℃, relative moisture B=84%, intensity of illumination Lx=250 lux retention time are 12h (surplus be available light), the air velocity V=0.30m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
3When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25.5 ℃, relative moisture B=85%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23 ℃.
Enter to penta in the silkworm egg growth
3Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.3 ℃, relative moisture B=88%, intensity of illumination Lx=250 lux retention time are 18h (surplus be available light), the air velocity V=0.30m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
1When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=95%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
1Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.5 ℃, relative moisture B=92%, intensity of illumination Lx=300 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
2When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=96%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
2Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.8 ℃, relative moisture B=94%, intensity of illumination Lx=350 lux retention time are 18h (surplus be available light), the air velocity V=0.40m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
3When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=98%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
3Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=26 ℃, relative moisture B=96%, intensity of illumination Lx=300 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
4When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25 ℃, and carry out shading treatment.
Enter in the silkworm egg growth
4Stage, earlier extract 30, and its hysteresis rate α or leading rate β all be no more than at 5% o'clock, will hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.5 ℃, relative moisture B=96%, air velocity V=0.40m/s, silkworm egg through 24h, makes the silkworm egg embryo extremely in the shading dark surrounds
5When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25 ℃, and carry out full shading treatment.
Enter in the silkworm egg growth
5Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=24 ℃, relative moisture B=90%, intensity of illumination Lx=300 lux retention time are 2h (surplus add the available light time for 24h dark), the air velocity V=0.30m/s before collecting ants, silkworm egg through 24h, makes the silkworm egg embryo hatch into newly-hatched silkworm in this environment.When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25.5 ℃, relative moisture B=98%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24 ℃, and carry out full shading treatment.
Embodiment 3:
The silkworm egg that hastens the hatching of silkworms batch is: late fall silkworm, silkworm and mulberry field, Dongtai City, the Jiangsu Province spring system autumn in 2009, the incubation rate on the one that hastens the hatching of silkworms was 99% with 59 batches of bright moon cyanines pines.
Plant at the stand of disinfecting, enter the room of hatching of silkworm egg chamber, sampling is dissected and all identical with above-mentioned enforcement of homogeneous grown in evaluation.But it is as follows that it enters behind the chamber of hastening the hatching of silkworms the environmental parameter in each stage:
Survey sample 40 silkworm eggs, determining to enter the hasten the hatching of silkworms initial embryo of silkworm egg of chamber is fourth
1Its stage embryonic development hysteresis rate α or the leading rate β of stage embryonic development all should be no more than 5%, the initial environmental parameter in chamber of hastening the hatching of silkworms this moment is adjusted to temperature T=20 ℃, relative moisture B=65%, intensity of illumination Lx=100 lux, air velocity V=0.15m/s, silkworm egg keeps 10h in this environment, make the silkworm egg embryonic development to fourth
2Should stage embryonic development hysteresis rate α through inspecting initial silkworm egg ground by random samples 〉=5% o'clock, promptly there are 2 or above embryo still to be in third in Chou Yangjiancha 40 silkworm eggs
2, third
1, even when this last stage, then the room temperature of hastening the hatching of silkworms should be adjusted to and compare fourth
123 ℃ of 22 ℃ high 1 ℃ of 20 ℃～22 ℃ higher limit of developmental stage temperature controlling range, humidity is then in fourth
1Phasic development relative moisture 65%～70% upper limit humidity value basis increases by 5%, promptly is adjusted to 72.5%, to accelerate the rate of development of silkworm egg embryo in this stage.When the leading rate β of this stage embryonic development 〉=5%, promptly in Chou Yangjiancha 40 silkworm eggs, there are 2 or above embryo to be in fourth
2Even penta during the stage, and the room temperature of then will hastening the hatching of silkworms is adjusted to and compares fourth
120 ℃ of 19 ℃ of hanging down 1 ℃ of 20 ℃～22 ℃ lower limits of developmental stage temperature controlling range are to slow down the rate of development of silkworm egg embryo in this stage.
Enter to fourth in the silkworm egg growth
2During the stage, the homogeneous degree of still advanced line sampling inspection to determine that the silkworm egg embryonic development is grown, extract 40 its hysteresis rate α or leading rate β all is no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=21.5 ℃, relative moisture B=70%, intensity of illumination Lx=100 lux retention time are 12h (surplus be available light), the air velocity V=0.15m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
1When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23.5 ℃, relative moisture B=80%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=20.5 ℃.The environmental parameter method of adjustment that this stage reached with the next stage is all identical with 1 stage of fourth method of adjustment.
Enter to penta in the silkworm egg growth
1Stage, extract 40 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=21.5 ℃, relative moisture B=71%, intensity of illumination Lx=100 lux retention time are 12h (surplus be available light), the air velocity V=0.2m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
2When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=23.5 ℃, relative moisture B=84%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=20.5 ℃.
Enter to penta in the silkworm egg growth
2Stage, extract 40 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=23.5 ℃, relative moisture B=84%, intensity of illumination Lx=150 lux retention time are 12h (surplus be available light), the air velocity V=0.20m/s of AM6:00～PM6:00, silkworm egg through 24h, makes silkworm egg embryo to penta in this environment
3When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25.5 ℃, relative moisture B=85%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=22.5 ℃.
Enter to penta in the silkworm egg growth
3Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25 ℃, relative moisture B=84%, intensity of illumination Lx=200 lux retention time are 18h (surplus be available light), the air velocity V=0.25m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
1When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=95%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
1Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25 ℃, relative moisture B=86%, intensity of illumination Lx=250 lux retention time are 18h (surplus be available light), the air velocity V=0.30m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
2When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
2Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25.2 ℃, relative moisture B=86%, intensity of illumination Lx=250 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
3When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24.5 ℃.
Enter in the silkworm egg growth
3Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25 ℃, relative moisture B=90%, intensity of illumination Lx=300 lux retention time are 18h (surplus be available light), the air velocity V=0.35m/s of AM6:00～PM12:00, silkworm egg through 24h, makes the silkworm egg embryo extremely in this environment
4When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24 ℃, and carry out full shading treatment.
Enter in the silkworm egg growth
4Stage, earlier extract 30, and its hysteresis rate α or leading rate β all be no more than at 5% o'clock, will hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=25 ℃, relative moisture B=92%, air velocity V=0.40m/s, silkworm egg through 24h, makes the silkworm egg embryo extremely in the shading dark surrounds
5When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=26.5 ℃, relative moisture B=99%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=24 ℃, and carry out full shading treatment.
Enter in the silkworm egg growth
5Stage, extract 30 earlier, and its hysteresis rate α or leading rate β all are no more than at 5% o'clock, to hasten the hatching of silkworms the room environmental parameter adjustment extremely: T=24 ℃, relative moisture B=90%, intensity of illumination Lx=300 lux retention time are 2h (surplus add the available light time for 24h dark), the air velocity V=0.30m/s before collecting ants, silkworm egg through 24h, makes the silkworm egg embryo hatch into newly-hatched silkworm in this environment.When sampling check this stage embryonic development hysteresis rate α 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=25.5 ℃, relative moisture B=98%.When the leading rate β of this stage embryonic development 〉=5%, then adjust and hasten the hatching of silkworms room temperature T=22 ℃, and carry out full shading treatment.
Hatching of silkworm egg method of the present invention, be to contrast by big quantitative analysis the applicant, determine on theoretical research and the data-optimized basis, this method is controlled to be target with the result, and accurately control the growth course of each developmental stage of silkworm egg embryo, both paid attention to each stage environment parametric optimization, pay attention to the mutual coordination coupling between the different phase environmental parameter again, also paying attention to the real-time monitoring of each stage situation regulates, support one another between the three, interact, produce superior technique effect, a large amount of practices show that this method control parameter of hastening the hatching of silkworms is clear and definite, be convenient to practical operation, have very broad application prospects.
Claims (3)
1. the method for hastening the hatching of silkworms that improves silkworm egg incubation rate on the one is characterized in that with fourth
1The initial embryo who heats for hastening the hatching of silkworms, the environmental parameter in each embryonic development stage is:
(1) with fourth
1Embryo's silkworm egg places the environment of temperature T=20 ℃～22 ℃, relative moisture B=65%～70%, intensity of illumination Lx=100～200 luxs, air velocity V=0.15～0.25m/s, grows through 10h to be fourth
2The embryo;
(2) fourth
2Temperature T=21.5 that embryo's silkworm egg is grown ℃～22.5 ℃, relative moisture B=70%～75%, air velocity V=0.15～0.25m/s, growing through 24h is penta
1The embryo, wherein intensity of illumination Lx=100～200 luxs keep 12h;
T=21.5 ℃～22.5 ℃ of the temperature that (3) penta 1 embryo's silkworm eggs are grown, relative moisture B=71%～79%, air velocity V=0.15～0.25m/s, growing through 24h is penta
2The embryo, wherein intensity of illumination Lx=100～200 luxs keep 12h;
(4) penta
2Temperature T=23.5 that embryo's silkworm egg is grown ℃～24.5 ℃, relative moisture B=75%～84%, air velocity V=0.20～0.30m/s, growing through 24h is penta
3The embryo, wherein intensity of illumination Lx=150～250 luxs keep 12h;
(5) penta
3Temperature T=25 that embryo's silkworm egg is grown ℃～25.5 ℃, relative moisture B=84%～92%, air velocity V=0.25～0.35m/s grow through 24h and to be oneself
1The embryo, wherein intensity of illumination Lx=200～300 luxs keep 18h;
(6) own
1Temperature T=25 that embryo's silkworm egg is grown ℃～25.5 ℃, relative moisture B=86%～94%, air velocity V=0.30～0.40m/s grow through 24h and to be oneself
2The embryo, wherein intensity of illumination Lx=250～350 luxs keep 18h;
(7) own
2Temperature T=25.2 that embryo's silkworm egg is grown ℃～25.8 ℃, relative moisture B=88%～94%, air velocity V=0.30～0.40m/s grow through 24h and to be oneself
3The embryo, wherein intensity of illumination Lx=250～350 luxs keep 18h;
(8) own
3Temperature T=25 that embryo's silkworm egg is grown ℃～26 ℃, relative moisture B=90%～96%, air velocity V=0.30～0.40m/s grow through 24h and to be oneself
4The embryo, wherein intensity of illumination Lx=250～350 luxs keep 18h;
(9) own
4Temperature T=24.5 that embryo's silkworm egg is grown ℃～25.5 ℃, relative moisture B=90%～96%, air velocity V=0.35～0.45m/s, illumination be dark, grow for own through 24h
5The embryo;
(10) own
5Temperature T=23.5 that embryo's silkworm egg is grown ℃～24.5 ℃, relative moisture B=90%～95%, intensity of illumination be in the environment of dark, air velocity V=0.25～0.35m/s, hatch into newly-hatched silkworm through 48～60h, 2h temperature T before collecting ants=25.5 ℃, relative moisture B=90%～95%, intensity of illumination Lx=400 lux, air velocity V=0.25～0.35m/s;
When stage embryonic development hysteresis rate α 〉=5%, the environmental temperature in this embryonic development stage is adjusted to is higher than 0.5～1 ℃ of respective embryo developmental stage temperature upper limit, its ambient humidity increases by 3～5% on this respective embryo developmental stage humidity higher limit basis;
When the leading rate β of stage embryonic development 〉=5%, the environmental temperature in this embryonic development stage is adjusted to is lower than 0.5～1 ℃ of above-mentioned respective embryo developmental stage lowest temperature value;
Described stage embryonic development hysteresis rate
The leading rate of described stage embryonic development
2. according to the method for hastening the hatching of silkworms of the described raising silkworm egg of claim 1 incubation rate on the one, it is characterized in that: the silkworm egg sum of described sampling observation is at least 20.
3. the method for hastening the hatching of silkworms according to the described raising silkworm egg of claim 1 incubation rate on the one is characterized in that: when described stage embryonic development hysteresis rate α 〉=5% or the leading rate β of stage embryonic development 〉=5%, every 12h adjusts the putting position of a silkworm egg, and makes it concentrated relatively.
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| CN105379686A (en) * | 2015-11-16 | 2016-03-09 | 江苏富安茧丝绸股份有限公司 | Method for hatching and breeding young silkworms |
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| CN109221029A (en) * | 2018-09-29 | 2019-01-18 | 贵州省蚕业研究所 | A kind of method of egg of oak silkworm homogeneous hatching |
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