CN106818575A - A kind of bait feeding method for improving freshwater shrimp batch production seed rearing survival rate - Google Patents
A kind of bait feeding method for improving freshwater shrimp batch production seed rearing survival rate Download PDFInfo
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- CN106818575A CN106818575A CN201710153648.6A CN201710153648A CN106818575A CN 106818575 A CN106818575 A CN 106818575A CN 201710153648 A CN201710153648 A CN 201710153648A CN 106818575 A CN106818575 A CN 106818575A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- 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
The present invention proposes a kind of bait feeding method of freshwater shrimp batch production seed rearing, and in freshwater shrimp seed production process, artitificial food and biological feed mix feed by a certain percentage, and chilled biological feed nutrition is fed more comprehensively than single.In addition, compared to artitificial food is fed completely, extremely effective reducing breeding water body pollution, reduce set class infusorian, the occurrence probability of der Pilz, the survival rate of seed rearing is improve, 47.2% is reached as high as, cost also feeds artitificial food and saved more than 40% more completely in addition.The method is a kind of method for improving freshwater shrimp seed cultivating survival rate, reducing production cost, northern China inland freshwater shrimp Seedling production is especially suitable for, with promotional value higher.
Description
Technical field
The invention belongs to cultural technique field, and in particular to a kind of feeding of raising freshwater shrimp batch production seed rearing survival rate
Method.
Background technology
Freshwater shrimp also known as river prawn, scientific name Macrobrachium nipponensis are under the jurisdiction of Arthropoda, Crustachia, Palaemonidae, and pond crayfish category is
Japanese and Chinese distinctive Freshwater shrimps.In China, freshwater shrimp is widely distributed in the rivers of north and south various regions, lake, and freshwater shrimp adapts to
Property it is strong, with omnivorousness, the culture-cycle is short, reproductive capacity is strong, nutritious, the market price is high the features such as, be deep by vast consumption
The rare aquatic products that person welcomes, and can export goods and earn foreign currency, thus it is a rising aquaculture kind.At present, state
Interior freshwater shrimp seedling raising mannerses mainly include seedling rearing in earth ponds, net cage seedling nursery and industrial seedling rearing.Seedling rearing in earth ponds breeding condition is whard to control,
Seed density is small, survival rate is low.Net cage seedling nursery is compared with seedling rearing in earth ponds, and technical requirements and cost are higher, the cultivation of seed
Density and survival rate are also higher, but are equally that seed rearing condition is difficult to control, and seed density and survival rate are not reached also greatly
The requirement of scale seed breeding.The occupation of land of freshwater shrimp industrial seedling rearing is small, and cultivation density is high, and survival rate is high, and production shrimp seedling cost is relative
It is relatively low, but technology also need it is further perfect.
Bait used by freshwater shrimp industrial seedling rearing is broadly divided into two kinds：One kind is biological feed, including wheel animalcule, Copepods and branch
Angle class etc.；One kind is artitificial food, including prawn slice, car unit and spirulina powder etc..Two kinds of bait respectively have advantage and disadvantage：Biological feed is sought
Support and be easy to be absorbed for the freshwater shrimp young comprehensively, it is small to water quality impact, it is with low cost, but within the whole freshwater shrimp seed production cycle,
It is difficult to enough supplies；Artitificial food can annual enough supplies, nutrition also relatively comprehensively, but it is larger to water quality impact, easily ruin
Water quality grows the harmful organisms such as set class infusorian, der Pilz, relatively costly.
The content of the invention
The present invention is directed to freshwater shrimp artitificial food and the respective advantage and disadvantage of biological feed, carries out diet collocation, there is provided Yi Zhongren
The mixing feeding method of work bait and biological feed.The method had both ensured the enough supplies of bait, and meeting the nutrition of the freshwater shrimp young needs
Will, reduce cultivation cost；Cultivation water is effectively improved again, young incidence probability is reduced, and is improve larval culture and is survived
Rate.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of bait feeding method for improving freshwater shrimp batch production seed rearing survival rate, a phase young does not feed；The second stage of young,
Prawn slice：4-5 grams/million tails, spirulina powder：4-5 grams/million tails, car unit 0：4-5 grams/million tails, three phases
The young, prawn slice：8-10 grams/million tails, car unit 0：8-10 grams/million tails, chilled cladocera：80-100 grams/hundred
Ten thousand tails, the fourth phase young to the six phase young, prawn slice：15-20 grams/million tails, car unit 1：15-20 grams/million tails
It is secondary, chilled cladocera：100-120 grams/million tails, the seven phase young to the nine phase young, prawn slice:25-30 grams/million tails
It is secondary, chilled cladocera：130-150 grams/million tails, postlarva, prawn slice:30 grams/million tails, chilled cladocera：
200 grams/million tails.
Further, the feeding method of the second stage of young is that 3 kinds of bait are alternately fed in order, and one was fed every 3 hours
It is secondary, need to rub broken filtering with the hands with 100 mesh sieve thin,tough silk before feeding.
Further, the feeding method of the three phase young is to be fed once every 3 hours, and prawn slice and car unit 0 feed time
Number respectively accounts for half with the number of times that feeds of chilled cladocera, and prawn slice or car unit 0 replace with chilled cladocera and feed, and prawn slice and car are first
No. 0 also alternately feeds, and needs to rub broken filtering with the hands with 100 mesh sieve thin,tough silk before feeding.
Further, the fourth phase young is to be fed once every 3 hours to the feeding method of the six phase young, prawn slice and car unit 1
Number the number of times that feeds for feeding number of times and chilled cladocera respectively account for half, prawn slice or car unit 1 replace with chilled cladocera and feed,
Prawn slice and car unit 1 also alternately feed, and need to rub broken filtering with the hands with 60 mesh sieve thin,tough silk before feeding.
Further, the seven phase young are to be fed once every 3 hours to the feeding method of the nine phase young, and two kinds of bait are handed over
For feeding, prawn slice need to rub broken filtering with the hands with 40 mesh sieve thin,tough silk before feeding.
Further, the feeding method of postlarva is to be fed once every 3 hours, and two kinds of bait alternately feed, prawn slice
Need to rub broken filtering with the hands with 40 mesh sieve thin,tough silk before feeding.
Further, the density of shrimp seedling is ten thousand tails of 15-20/m3。
Preferably, it is quick-frozen in -20 DEG C of freezer after chilled cladocera is 4 in the present invention, May, largely purchase was packed, in case
Used during nursery.Chilled cladocera is thawed using preceding, 20min is soaked in 20ppm formaldehyde, then rinsed well with clear water, ice
4 DEG C of preservations in cabinet.Spirulina powder is Shandong region Kang Rui scientific and technological developments Co., Ltd product.Car unit No. 0 and No. 1 is Japan
The product of " HIGASHIMARU " Co., Ltd..Prawn slice are the red woods board prawn special feed of starfish international corporation of the U.S..This
The freshwater shrimp young is carried out by stages using the method by stages of Ge Minsheng by stages in invention.
The present invention has the advantages and positive effects that：
The present invention is directed to freshwater shrimp artitificial food and the respective advantage and disadvantage of biological feed, carries out diet collocation, there is provided a kind of artificial bait
The mixing feeding method of material and biological feed.The method had both ensured the enough supplies of bait, met freshwater shrimp young nutritional need, drop
Low cultivation cost；Cultivation water is effectively improved again, young incidence probability is reduced, and improves larval culture survival rate.
One batch of nursery in 2016,1000m3Water body cultivates the tail of young shrimp 1.6 hundred million altogether.Using the technology, trained by the seed of nearly month
Educate, young shrimp body is long up to 1.0-1.5cm, cultivate density and reach ten thousand tails of 15-20/m3, survival rate is up to 47.2%, bait cost only 3.2
Unit/ten thousand tails.
The present invention is specifically described and illustrated below by embodiment：
Embodiment 1
The specific feeding method of freshwater shrimp larval culture and consumption see the table below：
。
One batch of nursery in 2016,1000m3Water body cultivates the tail of young shrimp 1.6 hundred million altogether.Using the technology, by nearly one month
Seed rearing, young shrimp body is long up to 1.0-1.5cm, cultivates density and reaches ten thousand tails of 15-20/m3, survival rate is up to 47.2%, bait
Cost only 3.2 yuan/ten thousand tails.
Embodiment 2
The specific feeding method of freshwater shrimp larval culture and consumption see the table below：
。
One batch of nursery in 2016,1000m3Water body cultivates the tail of young shrimp 1.6 hundred million altogether.Using the technology, by nearly one month
Seed rearing, young shrimp body is long up to 1.0-1.5cm, cultivates density and reaches ten thousand tails of 15-20/m3, survival rate is up to 47.9%, bait
Cost only 3.2 yuan/ten thousand tails.
Embodiment 3
The specific feeding method of freshwater shrimp larval culture and consumption see the table below：
。
One batch of nursery in 2016,1000m3Water body cultivates the tail of young shrimp 1.6 hundred million altogether.Using the technology, by nearly one month
Seed rearing, young shrimp body is long up to 1.0-1.5cm, cultivates density and reaches ten thousand tails of 15-20/m3, survival rate is up to 48.3%, bait
Cost is substantially reduced.
2011, using the patented technology " a kind of high-density industrial seed culture method for freshwater shrimps " applied（The patent No.
201110361355.X）Feeding method, by the seed rearing of nearly 30 days, young shrimp body was long up to 1.0-1.5cm, cultivated density
Up to ten thousand tails of 15-20/m3, survival rate 42.2%, the tail of cost 5.8 yuan/ten thousand.
Two kinds of feeding method contrasts, cultivate equal densities, the young shrimp of same size, and new method improves the survival rate of young shrimp
About 5%；Every 2.6 yuan of ten thousand tails shrimp seedling cost savings are produced, more than 40% cost is reduced.
Patent " a kind of high-density industrial seed culture method for freshwater shrimps " feeds based on artitificial food, auxiliary wheel animalcule, chilled
Cladocera and dry cladocera（Nutrition and palatability are very poor）Deng biological feed.Three phases to the five phase young are auxiliary to feed based on prawn slice
Help and feed a small amount of freshwater rotifer, wheel animalcule must be through glutaraldehyde sterilization and Vc fortifications before feeding；Six phases to the seven phase young feed
Chilled cladocera and prawn slice, cladocera is fished for after chilled preservation in refrigerator, is needed before feeding strong by terramycin sterilization and Vc
Change, chilled cladocera feeds 10 times daily, the tail shrimp seedlings of each feeding volume 0.24-0.28g/ ten thousand.The eight phase young to 1.5cm son
Shrimp feeds cladocera, prawn slice and the self-control artitificial food for drying, and the cladocera for drying feeds 8 times daily, each feeding volume 0.17-
The tail shrimp seedlings of 0.35g/ ten thousand, the cladocera for drying must be strengthened through terramycin sterilization and Vc.Wheel animalcule and chilled cladocera can only be in freshwater shrimps
The phase of the young three to seven this periods phase, supplement fed a part, and mainly wheel animalcule and the cladocera output in nature receives day
Gas, seasonal variations influence are very big, then their water bodys especially when water temperature has exceeded the growth and breeding suitable temperature range of wheel animalcule, cladocera
In density become very little, the need for amount of fishing much can not meet freshwater shrimp industrial seedling rearing.The young shrimp stage starts to feed dry branch
Angle class, although the enough supplies of energy, but nutrition is poor, can only on a small quantity coordinate and feed.Further, since feeding artitificial food water body for a long time
Middle nitrogen, phosphorus and the content of organic matter are often higher, the disease biologicals such as set class infusorian, der Pilz are easily grown, so as to reduce nursery
Survival rate；And the cost of artitificial food is significantly larger than biological feed, such as prawn slice 50-100 units/kg, frost cladocera cost only 2
Unit/kg.
In new method, in cladocera growth and breeding season, the quick-frozen preservation in freezer is largely purchased, solve biological feed
The problem of enough supplies.New method changes original bait feeding structure, improves water quality, reduces production cost.Freshwater shrimp
The one phase young does not feed, and can so reduce bait and waste cost-effective, reduces water pollution, during finding a phase young completely
Need not feed, whole young feed to larval culture survival rate also without any harmful effect again after being changed into the second stage of young, from green grass or young crops
Three phase of the shrimp young starts, and the number of times for feeding biological feed and artitificial food respectively accounts for half, and chilled cladocera accounts for larger on feeding volume
Ratio, greatly reduces the feeding volume of artitificial food, therefore nursery water quality has larger improvement, and cost is also reduced a lot, by original
Produce every 5.8 yuan of ten thousand tails shrimp seedling and be reduced to 3.2 yuan；In addition, new method has improvement in the method for the treatment of cladocera, all use
The quick-frozen mode of freezer, largely remains original nutritional ingredient, coordinates with artitificial food and feeds, and is entirely capable of meeting freshwater shrimp
The nutritional need of larval culture, and the freshwater shrimp young more likes consumer organism bait, and utilization rate is also higher than artitificial food.
Therefore, Integrated comparative, new method improving water quality, improve cultivating survival rate and the aspect such as reduce the cost is all larger
Progress, it is deficient in northern China biological feed, it is impossible to the place of production needs to be met, with very big application advantage.
Claims (7)
1. it is a kind of improve freshwater shrimp batch production seed rearing survival rate bait feeding method, it is characterised in that：The one phase young, does not throw
Hello；The second stage of young, prawn slice：4-5 grams/million tails, spirulina powder：4-5 grams/million tails, car unit 0：4-5 grams/hundred
Ten thousand tails, the three phase young, prawn slice：8-10 grams/million tails, car unit 0：8-10 grams/million tails, chilled branch angle
Class：80-100 grams/million tails, the fourth phase young to the six phase young, prawn slice：15-20 grams/million tails, car unit 1：15-
20 grams/million tails, chilled cladocera：100-120 grams/million tails, the seven phase young to the nine phase young, prawn slice:25-30
Gram/million tails, chilled cladocera：130-150 grams/million tails, postlarva, prawn slice:30 grams/million tails,
Chilled cladocera：200 grams/million tails.
2. the bait feeding method for improving freshwater shrimp batch production seed rearing survival rate according to claim 1, its feature exists
In the feeding method of the second stage of young is that 3 kinds of bait alternately feed in order, are fed once every 3 hours, need to use 100 before feeding
Mesh sieve thin,tough silk rubs broken filtering with the hands.
3. the bait feeding method for improving freshwater shrimp batch production seed rearing survival rate according to claim 1, its feature exists
In the feeding method of the three phase young is to be fed once every 3 hours, and prawn slice and car unit 0 feed number of times with chilled cladocera
The number of times that feeds respectively account for half, prawn slice or car unit 0 replace with chilled cladocera and feed, and prawn slice and car unit 0 also replace and feed,
Need to rub broken filtering with the hands with 100 mesh sieve thin,tough silk before feeding.
4. the bait feeding method for improving freshwater shrimp batch production seed rearing survival rate according to claim 1, its feature exists
In, the fourth phase young is to be fed once every 3 hours to the feeding method of the six phase young, prawn slice and car unit No. 1 feed number of times with
The number of times that feeds of chilled cladocera respectively accounts for half, and prawn slice or car unit 1 replace with chilled cladocera and feed, and prawn slice and car are first No. 1
Also alternately feed, need to rub broken filtering with the hands with 60 mesh sieve thin,tough silk before feeding.
5. the bait feeding method for improving freshwater shrimp batch production seed rearing survival rate according to claim 1, its feature exists
In the seven phase young are to be fed once every 3 hours to the feeding method of the nine phase young, and two kinds of bait alternately feed, and prawn slice feed
Before 40 mesh sieve thin,tough silk need to be used to rub broken filtering with the hands.
6. the bait feeding method for improving freshwater shrimp batch production seed rearing survival rate according to claim 1, its feature exists
In the feeding method of postlarva is to be fed once every 3 hours, and two kinds of bait alternately feed, and prawn slice need to use 40 mesh before feeding
Bolting silk rubs broken filtering with the hands.
7. the bait feeding method for improving freshwater shrimp batch production seed rearing survival rate according to claim 1, its feature exists
In the density of shrimp seedling is ten thousand tails of 15-20/m3。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109937934A (en) * | 2019-04-26 | 2019-06-28 | 天津立达海水资源开发有限公司 | A kind of shrimp seedling method for culturing seedlings |
| CN113519424A (en) * | 2021-08-06 | 2021-10-22 | 天津开发区坤禾生物技术有限公司 | Breeding method for improving survival rate of Litopenaeus vannamei in early stage of intensive culture shrimp pond |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109937934A (en) * | 2019-04-26 | 2019-06-28 | 天津立达海水资源开发有限公司 | A kind of shrimp seedling method for culturing seedlings |
| CN113519424A (en) * | 2021-08-06 | 2021-10-22 | 天津开发区坤禾生物技术有限公司 | Breeding method for improving survival rate of Litopenaeus vannamei in early stage of intensive culture shrimp pond |
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Application publication date: 20170613 |