CN103947581B - A kind of method improving the synchronous mating of hippocampus - Google Patents
A kind of method improving the synchronous mating of hippocampus Download PDFInfo
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- CN103947581B CN103947581B CN201410127340.0A CN201410127340A CN103947581B CN 103947581 B CN103947581 B CN 103947581B CN 201410127340 A CN201410127340 A CN 201410127340A CN 103947581 B CN103947581 B CN 103947581B
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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 invention discloses a kind of method improving the synchronous mating of hippocampus.The adjustment of the composite factors such as the present invention improves with domestication, cultivation equipment parental line selection in sea horse cultivation process (isolating the consistent hippocampus parental population of some sexual maturation cycles according to the screening of sexual maturity degree), the observation of parent's physiological characteristic, promote that hippocampus parent population forms the Periodical Reproduction of stable " mating-gestation-product children-mating again ", realize producing young rate more than 60% at Period of reproductive peak (single-revolution), effectively can improve the reproductive efficiency more than 10% of hippocampus simultaneously.
Description
Technical field:
The invention belongs to hippocampus seedling-cultivating method and technical field, be specifically related to a kind of method improving the synchronous mating of hippocampus.
Background technology:
Hippocampus belongs to the fish that several times a year lay eggs, oviposition period short (15 to 30 days), and single is laid eggs quantity few (100 to 1000 tail).Hippocampus reproductive behavior is special, and fertilized egg is hatched and just lived on one's own life to juvenile fish in the brood pouch of hippocampus milter belly trailing edge.Large-scale cultivation hippocampus seedling must rely on a large amount of parent population to breed simultaneously.In conventional hippocampus seedling raising process, different hippocampus parent population has uncertainty breeding cycle, and parent population produces young time irreversibility, produces young fluctuation quantity large.The producer cannot concentrate targetedly and arrange production facility needed for fry rearing and bait, thus greatly can increase production cost, reduces production efficiency.
Summary of the invention:
The object of the invention is, in order to solve the phenomenon that hippocampus parent propagation is asynchronous and reproductive efficiency is low, also to reduce management difficulty and production cost simultaneously, provide a kind of method improving the synchronous mating of hippocampus.This method can promote that hippocampus parent population forms the Periodical Reproduction of stable " mating-gestation-product children-mating again ".The present invention realizes producing young rate more than 60% at Period of reproductive peak (single-revolution), effectively can improve the reproductive efficiency more than 10% of hippocampus simultaneously.
The method of the synchronous mating of raising hippocampus of the present invention, is characterized in that, comprise the following steps:
The screening of a, parent population: female parent population sexual mature rate reaches after more than 20% and starts to carry out the screening of male and female parent population hippocampus reaches 6 monthly ages more than while, and every 5-10 days selects once, forms the hippocampus parental population that some batch maturation times are consistent;
Milter parent: select body and grow up in 12cm, body surface is mellow and full, and vigor is good, ingests active, the high hippocampus milter of Oestrus rate is as parent population; Show as when milter oestruses: rhynchodaenm is close to belly, side skin shoals and bleaches, and dorsal part and veutro dermal melanin are assembled, and has performance of initiatively seeking a spouse.
Raun parent: select body and grow up in 10cm, body surface is mellow and full, ingests active, the sexual maturity hippocampus raun of belly both sides protuberance is as parent population; Obviously expand due to the development of ovary in sexually matured female hippocampus belly both sides, the body wide 1.5-2 wide for regular in belly left and right accompanies, cloacal aperture evagination.
B, parent population maintenance: the specification of the breeding bucket that parent population cultivation adopts is volume 200 ~ 500L, height 60 ~ 100cm, circular or Square barrel all can, breeding barrel places the attachment that can hide for hippocampus and be wound around, each breeding bucket puts 10 ~ 30 tail hippocampus parent populations, female-male proportion 1:1 ~ 2, parent population is fed based on freezing fishes and shrimps, and living body bait is auxiliary; Control breeding environment in parent population breeding process to stablize.
The inspection of c, parent population fertility and reallocation: after parent population puts into breeding bucket, continue check parent population fertility and breeding cycle uniformity and determine, check first and put into breeding bucket after 5-10 days parent population, check the Pregnancy status of hippocampus milter and the gonad development level of raun, the hippocampus having neither part nor lot in mating is retracted alternative parent pond, in final maintenance breeding bucket, female, the male ratio of hippocampus is between 1:1 ~ 1.5, judge parent population whether mating according to being: the male parent population happiness of post-coitum is quiet, and brood pouch swells; The raun belly of post-coitum is significantly become thin, and even forms depression, again checks it is after parent population starts to produce children, produces children's time and carry out sub-distribution again between colony, make each crowd of parent possess higher breeding synchronism according to milter.
Described living body bait can be oppossum shrimp, shrimp seedling or fairy shrimp etc.
The adjustment of the composite factors such as the present invention improves with domestication, cultivation equipment parental line selection in sea horse cultivation process (isolating the consistent hippocampus parental population of some sexual maturation cycles according to the screening of sexual maturity degree), the observation of parent's physiological characteristic, promote that hippocampus parent population forms the Periodical Reproduction of stable " mating-gestation-product children-mating again ", realize producing young rate more than 60% at Period of reproductive peak (single-revolution), effectively can improve the reproductive efficiency more than 10% of hippocampus simultaneously.
The present invention has easy to operate, the advantage that controllability is strong, is applicable to large-scale commercialization sea horse cultivation.
Accompanying drawing illustrates:
Fig. 1 is the number of times of the production weekly figure of experimental group in embodiment 1 and control group, and wherein solid squares represents the experimental group of embodiment 1, and hollow circle represents the control group of embodiment 1.
Embodiment:
Following examples further illustrate of the present invention, instead of limitation of the present invention.
Embodiment 1:
Experimental group:
In April, 2013-June, in Shenzhen City, Guangdong Province Chinese Academy of Science Nanhai Ocean Research Institute sea horse cultivation base.
(1) screening of parent population
Hippocampus reaches 6 monthly ages more than while, female parent population sexual mature rate reaches after more than 20%, namely between breeding period, starts to carry out the screening of male and female parent population.The ratio being 1:2 according to female, male ratio selects hippocampus parent population 300 tail for subsequent use, and puts into 2 cement pits (the wide * of long * high=3m*6m*1.2m) and carry out male and female and be separated and support temporarily.
According to following criterion picks milter parent and raun parent
Milter parent: select body and grow up in 12cm, body surface is mellow and full, and vigor is good, ingests active, the high hippocampus milter of Oestrus rate is as parent population.Show as when milter oestruses: rhynchodaenm is close to belly, side skin shoals and bleaches, and dorsal part and veutro dermal melanin are assembled, and has performance of initiatively seeking a spouse.
Raun parent: select body and grow up in 10cm, body surface is mellow and full, ingests active, the hippocampus raun of belly both sides protuberance is as parent population.Obviously expand due to the development of ovary in sexually matured female hippocampus belly both sides, the body wide 1.5-2 wide for regular in belly left and right accompanies, cloacal aperture evagination.
Within every 7 days, carry out once female, milter parent to select, pick out 3 batches of (having 4 barrels respectively, 2 barrels, 2 barrels) hippocampus parent fish populations altogether, every barrel of milter 12 tail and raun 6 tail, add up to 144 tails.
(2) parent population maintenance
All parent populations are placed on blue circular plastic bucket (base diameter 80cm, height 80cm) breeding bucket in feed, every barrel of milter 12 tail and raun 6 tail, female-male proportion is 1:2, utilize plastics pasture and water as attachment, hide for hippocampus and be wound around, bait adopts freezing oppossum shrimp and live body fairy shrimp, throws something and feeds according to the number of days ratio of 5:2.Absorb residual bait and ight soil every day.Relevant environmental parameter is: water temperature 23-28 DEG C, and maximum illumination 2000-3000lux, pH value 7.8-8.1, salinity 30-35, ammonia nitrogen concentration is not higher than 0.01mg/L.
(3) inspection of parent population fertility and reallocation
Parent population continues check parent population fertility and breeding cycle uniformity and determine after putting into breeding bucket.To check after parent population puts into breeding bucket the 7th day first, check the Pregnancy status of hippocampus milter and the gonad development level of raun, female, the male hippocampus having neither part nor lot in mating is retracted alternative parent pond, obtain parent population 120 tail (female, male than 1:1.2).Judge parent population whether mating according to being: the male parent population happiness of post-coitum is quiet, and brood pouch swells; The raun belly of post-coitum is significantly become thin, and even forms depression.Again check it is after parent population starts to produce children, produce children's time according to milter and between 3 colonies, carry out sub-distribution again, to improve the breeding synchronism often criticizing parent further.
Control group
Between hippocampus breeding period, the ratio being 1:2 according to female, male ratio is selected and is reached sexually matured hippocampus parent population 120 tail, is divided into 3 groups and puts into 3 cement pits (the wide * of long * high=3m*6m*1.2m) to cultivate.Utilize plastics pasture and water as attachment, bait adopts freezing oppossum shrimp and live body fairy shrimp, throws something and feeds according to the number of days ratio of 5:2.Absorb residual bait and ight soil every day.Relevant environmental parameter is: water temperature 23-28 DEG C, and maximum illumination 2000-3000lux, pH value 7.8-8.1, salinity 30-35, ammonia nitrogen concentration is not higher than 0.01mg/L.
Result
Result as shown in Figure 1, goes out according to the hippocampus parental performance of the present embodiment after screening and breeds synchronism significantly, and form 3 significant production peaks.Account for 65.8% of young batch of total product Period of reproductive peak (single-revolution) product children batch, be significantly greater than control group 36.3%.Meanwhile, the single reproductive efficiency of experimental group often pair hippocampus be 227 tails/time, be significantly higher than the single reproductive efficiency 187 tails/tire of often pair of hippocampus of control group.It is 82 times that experimental group produces children batch, is significantly higher than control group 43 times.
Claims (2)
1. improve a method for the synchronous mating of hippocampus, it is characterized in that, comprise the following steps:
The screening of a, parent population: female parent population sexual mature rate reaches after more than 20% hippocampus reaches 6 monthly ages more than while, and start to carry out the screening of male and female parent population, every 5-10 days selects once, forms the hippocampus parental population that some batch maturation times are consistent;
Milter parent: select body and grow up in 12cm, body surface is mellow and full, and vigor is good, ingests active, the high hippocampus milter of Oestrus rate is as parent population;
Raun parent: select body and grow up in 10cm, body surface is mellow and full, ingests active, the sexual maturity hippocampus raun of belly both sides protuberance is as parent population;
B, parent population maintenance: the specification of the breeding bucket that parent population cultivation adopts is volume 200 ~ 500L, height 60 ~ 100cm, the attachment that can hide for hippocampus and be wound around placed by breeding bucket, each breeding bucket puts 10 ~ 30 tail hippocampus parent populations, female-male proportion 1:1 ~ 2, parent population is fed based on freezing fishes and shrimps, and living body bait is auxiliary;
C, the inspection of parent population fertility and reallocation: after parent population puts into breeding bucket, continue check parent population fertility and breeding cycle uniformity and determine, check first and put into breeding bucket after 5-10 days parent population, check the Pregnancy status of hippocampus milter and the gonad development level of raun, the hippocampus having neither part nor lot in mating is retracted alternative parent pond, in final maintenance breeding bucket, hippocampus is female, male ratio is between 1:1 ~ 1.5, again check it is after parent population starts to produce children, produce children's time according to milter and carry out sub-distribution again between colony, each crowd of parent is made to possess higher breeding synchronism.
2. method according to claim 1, is characterized in that, described living body bait is oppossum shrimp, shrimp seedling or fairy shrimp.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104642228A (en) * | 2015-03-09 | 2015-05-27 | 中国科学院南海海洋研究所 | Breeding method for rapid growth strain of Hippocampus kelloggi |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104542408B (en) * | 2015-02-04 | 2017-02-22 | 南通中国科学院海洋研究所海洋科学与技术研究发展中心 | Method for synchronous line establishment of small-population parents in artificial breeding of exopalaemon carinicauda |
| CN105028276A (en) * | 2015-07-09 | 2015-11-11 | 中国科学院南海海洋研究所 | Crossbreeding method of hippocampus kelloggi and hippocampus trimaculatus |
| CN108770734A (en) * | 2018-03-23 | 2018-11-09 | 中国水产科学研究院东海水产研究所 | A kind of extensive grey hippocampus parent's hippocampus matching method |
| CN114009374B (en) * | 2021-09-03 | 2023-04-11 | 中国水产科学研究院东海水产研究所 | Breeding method for promoting reproduction of male parent fish of Hippocampus japonicus in production stoppage |
| CN114747515B (en) * | 2022-04-24 | 2023-06-06 | 广东聚石科技研究有限公司 | Method for promoting sea horse mating |
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| CN101283678A (en) * | 2008-05-28 | 2008-10-15 | 唐建清 | Freshwater crayfish controllable offspring in-phase breeding technique |
| KR101054365B1 (en) * | 2009-01-29 | 2011-08-04 | 한국해양연구원 | Breeding tank for sea horse |
| CN102165929A (en) * | 2011-06-02 | 2011-08-31 | 广州市先步农业发展有限公司 | Artificial propagation method for sturgeon |
| CN103141411B (en) * | 2012-05-29 | 2014-07-23 | 中国水产科学研究院东海水产研究所 | Hippocampus erectus parent sea horse pairing method |
| CN102669034A (en) * | 2012-06-20 | 2012-09-19 | 广东海洋大学 | Artificial ripening cultivation method for sea horse parent fish |
| CN102771420B (en) * | 2012-07-13 | 2014-02-05 | 中国科学院南海海洋研究所 | Method for breeding hippocampus by using stratified net cage |
| CN103109758B (en) * | 2012-12-14 | 2015-04-15 | 化州市光辉养殖场有限公司 | Tilapia fry rearing method |
| CN103548725A (en) * | 2013-10-18 | 2014-02-05 | 福建港德水产有限公司 | Hippocampus kelloggi artificial breeding method |
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