CN104255612B - A kind of utilize sterilization to neutralize after sea water hasten parturition the method for shellfish - Google Patents
A kind of utilize sterilization to neutralize after sea water hasten parturition the method for shellfish Download PDFInfo
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- CN104255612B CN104255612B CN201410519911.5A CN201410519911A CN104255612B CN 104255612 B CN104255612 B CN 104255612B CN 201410519911 A CN201410519911 A CN 201410519911A CN 104255612 B CN104255612 B CN 104255612B
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
A kind of utilize sterilization to neutralize after sea water hasten parturition the method for shellfish, refer to the induced spawning method of shellfish type seafood, a kind of utilize sterilization to neutralize after sea water method that shellfish is hastened parturition.Outdoor sea water is precipitated in sedimentation tank, add sodium hypochlorite or bleaching powder sterilization, the chlorine residue in rear sodium thiosulfate and in elimination water, first the water in nursery pond is drained when hastening parturition, sea water after neutralizing again injects nursery pond to the depth of water and floods kind of a shellfish, then inflates oxygenation.Find that kind of a shellfish adds nursery sea water immediately when laying eggs full to pond.The inventive method is simple, it is easy to implement.Kind of shellfish is hastened parturition there is the advantage that the time is short, spawning rate is high, effective.This method is also belonging to the method changing kind of shellfish growing environment condition, but this method is light and slow soft, and kind of shellfish will not be produced intense stimulus and injury.The indexs such as its hatchability of fertile eggs, distortion ratio and parent's shellfish recycling rate of waterused, averagely improve 20 percentage points than prior art.The poor difficult problem with seed breeding in the shellfish source in shellfish production process that simultaneously the most indirectly solves.
Description
Technical field
The present invention relates to the induced spawning method of shellfish type seafood, a kind of utilize sterilization to neutralize after sea water come shellfish
The method hastened parturition.
Background technology
At present, culturing marine products industry both domestic and external quickly grows, and cultivation unit and scientific research institution are in order to increase economic efficiency, especially
It is research to be increased production for expensive shellfish type seafood be made that the biggest effort.In order to increase spawning number and increase foster
Growing individual amount, research is proposed a variety of induced spawning method for kind of shellfish.Wherein have employing to dry in the shade, flowing water, intensification, ammonia sea
Water etc. change the method for kind of shellfish growing environment.Also have and use machinery concussion, solar exposure, galvanism, ultraviolet to irradiate, note
The method penetrating the environmental stimulis such as chemical drugs.Also have use high concentration Micro Algae throw something and feed and seminal fluid induction method, for be all uncommon
Hope that kind of more than enough batch of a shellfish energy is laid eggs, produce high-quality ovum, improve incubation rate, to increase economic efficiency.But these methods all also exist and hasten parturition
With duration, to parent's shellfish injury relatively big, Fertilized quality and the problem such as incubation rate shellfish recycling rate of waterused the most undesirable, close is low.Also have
The induced spawning method that employing is dried in the shade, ultraviolet irradiates and the high concentration Micro Algae method of throwing something and feeding combines.And this method also exists operation
Loaded down with trivial details, with duration, expensive and plant the low problem of shellfish recycling rate of waterused.
Summary of the invention
For above-mentioned situation, it is an object of the invention to provide a kind of clean sea water and hasten parturition the method for shellfish, i.e. use first by sea water
Sterilization, then neutralizes the sea water of disinfectant and hastens parturition shellfish.
The present invention is achieved by following technical solution；First kind of shellfish is supported accelerating, when coefficient of condition reaches in nursery pond temporarily
When more than 90%, dissect its gonad microscopy, can hasten parturition during gonad maturity.
1, hasten parturition by the processing method of sea water；
Outdoor sea water is precipitated in sedimentation tank 12～16 hours, then through sand filtration and bolting silk net flood chamber inner storing water pond, add secondary
Sodium chlorate or bleaching powder sterilization, the effective chlorine density in water is 50～80mg/L.8 hours are stood after mix homogeneously.Then use
Chlorine residue in sodium thiosulfate and in elimination water, the consumption of nertralizer is for show colourless being as the criterion with starch potassium iodide indicator.
2, induced spawning method
First the water in nursery pond is drained, then will neutralize after sea water inject nursery pond to the depth of water flood kind of a shellfish, then inflate oxygenation
1～2 hour.Find that kind of a shellfish adds nursery sea water, i.e. nature seawater immediately when laying eggs full to pond.Sea water for neutralisation treatment
Have and compare strict requirements, it is desirable to must neutralisation treatment before use, be immediately used to after neutralization hasten parturition, should not place long.
The inventive method is simple, it is easy to implement.Kind of shellfish is hastened parturition there is the advantage that the time of hastening parturition is short, spawning rate is high, effective.
This method is also belonging to the method for kind of the shellfish growing environment condition of changing, but this method is light and slow soft, kind of shellfish will not be produced any by force
Strong stimulation, will not bring any injury, and therefore the utilization rate of parent shellfish is high.Its incubation rate and survival rate of seedling improve the most therewith.Solve
The cycle length that existing shellfish induced spawning method of having determined exists, Fertilized quality big to parent's shellfish injury and incubation rate are the most undesirable, close
The problem that shellfish recycling rate of waterused is low.The results showed its hatchability of fertile eggs, distortion ratio and parent's index such as shellfish recycling rate of waterused, than
Prior art averagely improves 20 percentage points.The shellfish source in shellfish production process that simultaneously the most indirectly solves is poor and seed breeding
A difficult problem.
Table 1 be use this method hasten parturition the incubation rate of shellfish, distortion ratio, survival rate and parent shellfish utilization rate synopsis
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described；
Embodiment 1
Time is June 12, selects 40 Concha Meretricis Seu Cyclinae kind shellfishes, cleans shell surface through sea water.It is positioned over indoor raising of seedling pond.Nursery pond
A length of 5 meters, a width of 2 meters, a height of 1 meter.The sand filtration depth of water about 0.9 meter in pond.Natural temperature, day full dose change the water clear end once,
Day bait throwing in 2 times.After first quarter moon, dissecting kind of a shellfish, coefficient of condition reaches 91%, and the observation of microscopy gonad finds that gonad is the most ripe.
Shellfish is hastened parturition by Seawater Treatment: outdoor sea water is introduced sedimentation tank, precipitates 12 hours, by sand filtration and 300 mesh sieves beautiful net filter
Rear introducing indoor water storage pond, adds sodium hypochlorite or bleaching powder sterilization, effective chlorine density 50mg/L in water, stands after mix homogeneously
8h, is spilled into saturated hypo solution mixing, eliminates chlorine residue in water to neutralize before hastening parturition, the addition of nertralizer is starch
Till potassium iodide indicator display sterilization sea water is colourless.
. hasten parturition: July 1 early 7 time, Concha Meretricis Seu Cyclinae is cultivated sea water in pond and drains, add in nursery pond immediately above-mentioned handle well sea
Water, floods kind of a shellfish, homogenous charge to the depth of water, and inflationtime is 2 hours.Do not throw something and feed bait, find for 8 thirty to lay eggs,
Interpolation nursery sea water is to full pond, and in 10 point discovery ponds, ovum amount has reached 100,000,000 pieces.
Embodiment 2
Time is mid-April, selects into 100 razor shell kind shellfishes, is placed in the 10m added with the deep sand filter seawater of 1m2The indoor of × 1
Nursery pond is supported temporarily, natural temperature, day full dose change water, the clear end once, period throws something and feeds bait with fresh Nitzschia closterium minutissima, little
Ball algae is main, food density 30000cell/mL of throwing something and feeding, day bait throwing in 2 times.
May 5, dissecting kind of a shellfish, coefficient of condition is 90%, and microscopy gonad is reached maturity.
Hasten parturition by Seawater Treatment: outdoor sea water precipitation, standing 15 hours, after sand filtration, access indoor water storage pond through the beautiful net of 300 mesh sieves,
Add sodium hypochlorite or bleaching powder sterilization, effective chlorine density 70mg/L in water, stand 8h after mix homogeneously, with saturated before hastening parturition
With elimination chlorine residue in hypo solution, consumption shows colourless being as the criterion with starch potassium iodide indicator.
Hasten parturition: during afternoon 13 on the 8th in May, kind of shellfish cultivated sea water in pond and drains, add above-mentioned handle well hasten parturition with sea water extremely
The depth of water floods kind of a shellfish, homogenous charge, and inflationtime is 1.5 hours.Observe when 14 and lay eggs, add nursery sea water to full
Pond, finds when 16 that in pond, egg laying amount is 100,000,000 pieces.
Embodiment 3
Time is May 19, selects into 40 Mactra veneriformis kind shellfishes, is placed in the 10m added with the deep sand filter seawater of 1m2The room of × 1
Interior nursery pond is supported temporarily, natural temperature, day full dose change water, the clear end once, period throws something and feeds bait with fresh Chaetoceros, bead
Algae is main, 10000/mL of food density of throwing something and feeding, day bait throwing in 2-3 time.
June 23, dissecting kind of a shellfish, coefficient of condition is 92%, and microscopy gonad is ripe.
On June 24: outdoor sea water precipitation, standing 12 hours, access indoor water storage pond through the beautiful net of 300 mesh sieves after sand filtration, add
Enter sodium hypochlorite or bleaching powder sterilization, effective chlorine density 80mg/L in water, stand 8h after mix homogeneously, with saturated sulfur before hastening parturition
With elimination chlorine residue in sodium thiosulfate solution, consumption shows colourless being as the criterion with starch potassium iodide indicator.
Hasten parturition: during the morning 8 on the 26th in June, kind of shellfish cultivated sea water in pond and drains, add above-mentioned handle well hasten parturition with sea water extremely
The depth of water floods kind of a shellfish, homogenous charge, and inflationtime is 1.5 hours.When 10 observe lay eggs, add nursery sea water to full pond,
Find when 12 that in pond, egg laying amount is 15,000,000 pieces.
Table 1
This method is applicable to hastening parturition of all shellfishes, and table 1 only provides the experimental result of seven kinds of shellfishes, and not to Scapharca subcrenata, Conch Meretricis seu Cyclinae,
Japanese experiences and Ruditapes philippinarum do embodiment explanation.
Claims (1)
1. the sea water after utilizing sterilization to neutralize is hastened parturition the method for shellfish, it is characterized in that:
(1), hasten parturition by the processing method of sea water；
Outdoor sea water is precipitated 12～16 hours in sedimentation tank, then through sand filtration and bolting silk net flood chamber inner storing water pond, add sodium hypochlorite or bleaching powder sterilization, effective chlorine density in water is 50～80mg/L, 8 hours are stood after mix homogeneously, with the chlorine residue in sodium thiosulfate and in elimination water, the consumption of nertralizer is for show colourless being as the criterion with starch potassium iodide indicator
(2), induced spawning method
First the water in nursery pond is drained, then the sea water after neutralizing injects nursery pond to the depth of water and floods kind of a shellfish, then inflation oxygenase-1～2 hours, find that kind of a shellfish adds nursery sea water immediately when laying eggs full to pond.
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| CN201410519911.5A CN104255612B (en) | 2014-09-23 | 2014-09-23 | A kind of utilize sterilization to neutralize after sea water hasten parturition the method for shellfish |
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| CN201410519911.5A CN104255612B (en) | 2014-09-23 | 2014-09-23 | A kind of utilize sterilization to neutralize after sea water hasten parturition the method for shellfish |
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| CN104255612B true CN104255612B (en) | 2016-09-21 |
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| CN107117665A (en) * | 2017-04-12 | 2017-09-01 | 北京科力旺达生物技术有限公司 | A kind of transportation of live fish stress renovation agent and preparation method thereof |
| CN107549068B (en) * | 2017-08-25 | 2021-07-02 | 江苏省海洋水产研究所 | Device and method for improving hatching rate of clams |
| CN108450379A (en) * | 2018-02-09 | 2018-08-28 | 中国海洋大学 | A kind of method that pocket knife razor clam incubation is cultivated and laid eggs |
| CN112075488A (en) * | 2020-09-16 | 2020-12-15 | 烟台雨哥食品有限公司 | Deep purification method for improving safety of shellfish food |
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| CN102100194A (en) * | 2010-12-02 | 2011-06-22 | 象山红升水产养殖有限公司 | Fry rearing method for sinonovacula constricta |
| CN102124967A (en) * | 2010-12-30 | 2011-07-20 | 山东海益宝水产股份有限公司 | Method for inducing Atrina pectinata Linnaeus to quickly spawn |
| CN102948383A (en) * | 2012-11-13 | 2013-03-06 | 江苏省海洋水产研究所 | Method for purifying red shell color clam line |
| CN103548720B (en) * | 2013-10-17 | 2016-04-06 | 苏州市阳澄湖渔业科技中心有限公司 | A kind of method of Trachyostracous mussel artificial induced spawning and insemination |
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