CN102986564A - Cement pit breeding method of langoustine - Google Patents
Cement pit breeding method of langoustine Download PDFInfo
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- CN102986564A CN102986564A CN2012103861770A CN201210386177A CN102986564A CN 102986564 A CN102986564 A CN 102986564A CN 2012103861770 A CN2012103861770 A CN 2012103861770A CN 201210386177 A CN201210386177 A CN 201210386177A CN 102986564 A CN102986564 A CN 102986564A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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 cement pit breeding method of langoustine, comprising the steps of seed selection, mating, hatching, juvenile langoustine breeding and langoustine seed catching. According to the invention, the seed selection standard of the parent langoustine is strict, and the old, weak, sick and disable parent langoustine are sifted out, thereby laying foundation for breeding health juvenile langoustine with high quality; since the parent langoustine used for breeding is different in resource, inbreeding is avoided, and the quality of the juvenile langoustine is ensured; oogenesis parent langoustine refers to oogenesis parent langoustine laying egg in the same period, the yield is high and the langoustine seeds are kept consistent in size; the disease resistance of the langoustine seed is strong, the loss of langoustine workers is reduced, and the cultivation benefit is increased; furthermore, according to the invention, parent langoustine transfer is simple and convenient, the langoustine seed catching is simple and feasible, and the labor intensity is greatly reduced.
Description
Technical field
The present invention relates to shrimps raising technology field, be specifically related to a kind of cray cement pit mating system.
Background technology
Cray originates in North America (being southern US and northern Mexico), belongs to Arthropoda, and phase late 1930s is imported China into by Japan.Cray has and burrows the life habit of living in caves and destroy dam, and threatens the existence of fry, and agricultural production and fish production are all caused certain destruction, and therefore early stage people are eliminated it always as harmful organisms.In recent years, cray is pursued because of delicious meat, good market prospects, but because cray is propagated artificially less, and people catch wild cray in a large number, make its Natural Population quantity less and less, and supply falls short of demand in market, price is sharply soaring.Therefore, it is imperative to propagate artificially, and the artificial breeding of cray seedling becomes problem demanding prompt solution.
In addition, forefathers have the artificial propagation of discussing cray, but relate generally to breeding, the seed selection, mating and the juvenile shrimp cultivation problem that do not relate to cray parent shrimp, thereby cray propagates individuality artificially small and weakization trend is arranged, resistance against diseases a little less than, therefore, be badly in need of the healthy good cray seedling of again seed selection and put on market, for the shrimp farming is reduced the loss, increase culture benefit.
Summary of the invention
The present invention is directed to above deficiency, a kind of cray cement pit mating system is provided, this method emergence rate is high, and the healthy high-quality of shrimp seedling, in the same size can satisfy and propagate on a large scale required seed artificially; And the shrimp seedling is fished for simple possible, and labour intensity is low.
The present invention is achieved through the following technical solutions:
1. cray cement pit mating system may further comprise the steps:
(1) seed selection: it is complete, physically fit to choose limbs, mobility is strong, color is dark red or dark red, glossy, body surface smooth is without the close shrimp of attachment, require about the long 8.6cm of male shrimp body, the long ratio of first step foot length degree and body is about 1:0.993, and the ratio of carapace length and belly length is about 1:1.05, about the long 8.5cm of female shrimp body, the long ratio of first step foot length degree and body is about 1:0.79, and the ratio of carapace length and belly length is about 1:0.99;
(2) mating: at first with about the disinfecting solution of potassium permanganate 30min of net cage with 20 ~ 30mg/L, carry the last week with the bleaching powder of 90 ~ 100 mg/L to mating cement pit sterilization 10 ~ 15 min, then in the mating cement pit, add water, water level is to 2/3 place with mating cement pit height, regulate heating apparatus, the control water temperature is constant in 25 ℃, open oxygen-increasing device, regulate the water body dissolved oxygen amount at 2.7～2.9mg/L, after water quality meets the aquaculture water supply standard, the close shrimp after supporting is temporarily put into the net cage of mating cement pit by the proportioning of female-male proportion 2.5:1, breeding density is 30 ~ 60/㎡, the regularly bait throwing in of every morning and afternoon, daily ration, feeding quantity is about 5～6% of close shrimp body weight, keeps water quality to meet the aquaculture water supply standard, wait mating to finish after, male shrimp is all taken out, treat that female shrimp lays eggs;
(3) hatching: at first carry the last week with the bleaching powder of 90～100 mg/L to feed-based hatchery 10～15 min that sterilize, then in feed-based hatchery, add water, water level is to 2/3 place with the feed-based hatchery height, regulate heating apparatus, the control water temperature is constant in 25 ℃, open oxygen-increasing device, regulate the water body dissolved oxygen amount at 2.7～2.9mg/L, after water quality meets the aquaculture water supply standard, oogenesis parent shrimp is moved in the net cage of feed-based hatchery, breeding density is 30～60 Zhi/㎡, the regularly bait throwing in of every morning and afternoon, daily ration, feeding quantity is about 5～6% of close shrimp body weight, keeps water quality to meet the aquaculture water supply standard, emerge to III phase disengaging parent until the hatching of shrimp seedling, close shrimp is removed together with net cage;
(4) juvenile shrimp cultivation: regularly drop into bait in every morning and afternoon, daily ration, feeding quantity is 3～5% of cray whose body weight, keep water temperature constant 25 ℃ and water body dissolved oxygen amount at 2.7～2.9mg/L, keep water quality to meet the aquaculture water supply standard, cultivate to 2～5cm the juvenile prawn body is long;
(5) the shrimp seedling is fished for: at first pass through the trapping measure, fish for out the most of shrimp seedling in the hatching facility, then at the osculum place of hatching facility the instrument of fishing for is set, the water in the hatching facility is drained, fish for residue shrimp seedling.
The further improvement project of the present invention is that step (1) is the close shrimp of selecting different shrimp species groups with close shrimp described in the step (2).
The present invention further improvement project is that the oogenesis parent shrimp described in the step (3) refers to the oogenesis parent shrimp that contemporaneity is laid eggs.
The present invention further improvement project is that water supply standard meets pollution-free food aquiculture fresh water water quality NY5051-2001 described in step (2), (3) (4).
The present invention further improvement project is that it is by add water, change the water assurance in good time that step (2), the middle water quality in (3) (4) meet water supply standard.
The present invention further improvement project is after the mating cement pit in step (2) and the step (3) and feed-based hatchery add water, to place the water peanut branch respectively in the pond.
The present invention further improvement project is that the mating cement pit in step (2), the step (3) and the water quality reaching standard of feed-based hatchery are put into the pond with indivedual close shrimps first and tried the water after stablizing, and without unusual, put all the other close shrimps in a suitable place to breed after 24 hours again.
The present invention further improvement project is that the trapping measure described in the step (5) refers to place cage in feed-based hatchery, or fishes for the string bag.
The present invention further improvement project is, the described bait throwing in time be every morning 9:00 and afternoon 17:00
The present invention compared with prior art has following obvious advantage:
One, the selection criterion of close shrimp among the present invention, the close shrimp of having eliminated the old,weak,sick and disabled is laying the first stone of the juvenile prawn of the healthy high-quality of bred.
Two, the close shrimp for breeding derives from different shrimp species groups among the present invention, avoids inbreeding, has guaranteed the juvenile prawn quality.
Three, the oogenesis parent shrimp of putting among the present invention in the net cage of feed-based hatchery refers to the oogenesis parent shrimp that contemporaneity is laid eggs, and emergence rate is high, guarantees shrimp seedling in the same size.
Four, the present invention places net cage in mating cement pit, feed-based hatchery, and close shrimp is put in a suitable place to breed in net cage, shifts simple and conveniently, reduces labour intensity.
Five, Prawn seedling of the present invention is fished for link at first through cage or string bag trapping measure, fish for out the most of shrimp seedling in the hatching facility, then at the osculum place of hatching facility the instrument of fishing for is set, the water in the hatching facility is drained, fish for residue shrimp seedling, reduce greatly labour intensity.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail, but the present invention is not limited to given example.
The present invention includes following steps,
(1) seed selection: it is complete, physically fit to choose appendage, mobility is strong, color is dark red or dark red, glossy, body surface smooth is without the close shrimp of attachment, require about the long 8.6cm of male shrimp body (being no more than positive and negative 0.5cm), the long ratio of first step foot length degree and body is 1:0.993, the ratio of carapace length and belly length is about 1:1.05, about the long 8.5cm of female shrimp body (being no more than positive and negative 0.5cm), the long ratio of first step foot length degree and body is 1:0.79, and the ratio of carapace length and belly length is 1:0.99;
(2) mating: at first with the disinfecting solution of potassium permanganate 30min of net cage with 25mg/L, carry the last week with the bleaching powder of 95mg/L to mating cement pit 15 min that sterilize, then in the mating cement pit, add water, water level is to 2/3 place with mating cement pit height, in the pond, place the water peanut branch, regulate heating apparatus, the control water temperature is constant in 25 ℃, open oxygen-increasing device, regulate the water body dissolved oxygen amount at 2.7～2.9mg/L, after water quality meets water supply standard (stable 7 day time of needs of general water quality reaching standard), water supply standard meets pollution-free food aquiculture fresh water water quality NY5051-2001, then putting indivedual close shrimps tries the water, nothing is unusual after 24 hours, the close shrimp that derives from different shrimp species groups after supporting is temporarily put into the net cage of mating cement pit by the proportioning of female-male proportion 2.5:1, breeding density is 50 Zhi/㎡, every morning 9:00 and regularly bait throwing in of 17:00 in afternoon, decide according to close shrimp feed intake, daily ration, feeding quantity is about 5～6% of close shrimp body weight, add water according to the water body situation, change water, keep water quality to meet the aquaculture water supply standard, wait mating to finish after, male shrimp is all taken out, treat that female shrimp lays eggs;
(3) hatching: at first carry the last week with the bleaching powder of 95 mg/L to feed-based hatchery 15 min that sterilize, then in feed-based hatchery, add water, water level is to 2/3 place with the feed-based hatchery height, in the pond, place the water peanut branch, regulate heating apparatus, the control water temperature is constant in 25 ℃, open oxygen-increasing device, regulate the water body dissolved oxygen amount at 2.7～2.9mg/L, after water quality meets water supply standard (stable 7 day time of needs of general water quality reaching standard), water supply standard meets pollution-free food aquiculture fresh water water quality NY5051-2001, then puts indivedual oogenesis parent shrimps and tries the water, and nothing is unusual after 24 hours, the oogenesis parent shrimp that contemporaneity is laid eggs moves in the net cage of feed-based hatchery, breeding density is 50 Zhi/㎡, and every morning 9:00 and regularly bait throwing in of 17:00 in afternoon are decided according to oogenesis parent shrimp feed intake, daily ration, feeding quantity is about 5～6% of oogenesis parent shrimp body weight, keep water quality to meet the aquaculture water supply standard, emerge to III phase disengaging parent until the hatching of shrimp seedling, close shrimp is removed together with net cage;
(4) juvenile shrimp cultivation: every morning 9:00 and afternoon 17:00 regularly drop into bait, decide according to the cray feed intake, daily ration, feeding quantity is 3～5% of cray whose body weight, keep water temperature constant 25 ℃ and water body dissolved oxygen amount at 2.7～2.9mg/L, by add water, change water and guarantee that water quality meets the aquaculture water supply standard in good time, water supply standard meets pollution-free food aquiculture fresh water water quality NY5051-2001, and juvenile prawn body length is cultivated to 2～5cm;
(5) the shrimp seedling is fished for: at first place the cage trapping in feed-based hatchery, fish for out the most of shrimp seedling in the hatching facility, then at the osculum place of hatching facility the instrument of fishing for is set, the water in the hatching facility is drained, fish for residue shrimp seedling.
Claims (9)
1. cray cement pit mating system is characterized in that: may further comprise the steps,
(1) seed selection: it is complete, physically fit to choose limbs, mobility is strong, color is dark red or dark red, glossy, body surface smooth is without the close shrimp of attachment, require about the long 8.6cm of male shrimp body, the long ratio of first step foot length degree and body is about 1:0.993, and the ratio of carapace length and belly length is about 1:1.05, about the long 8.5cm of female shrimp body, the long ratio of first step foot length degree and body is about 1:0.79, and the ratio of carapace length and belly length is about 1:0.99;
(2) mating: at first with about the disinfecting solution of potassium permanganate 30min of net cage with 20 ~ 30mg/L, carry the last week with the bleaching powder of 90 ~ 100 mg/L to mating cement pit sterilization 10 ~ 15 min, then in the mating cement pit, add water, water level is to 2/3 place with mating cement pit height, regulate heating apparatus, the control water temperature is constant in 25 ℃, open oxygen-increasing device, regulate the water body dissolved oxygen amount at 2.7～2.9mg/L, after water quality meets the aquaculture water supply standard, the close shrimp after supporting is temporarily put into the net cage of mating cement pit by the proportioning of female-male proportion 2.5:1, breeding density is 30 ~ 60/㎡, the regularly bait throwing in of every morning and afternoon, daily ration, feeding quantity is about 5～6% of close shrimp body weight, keeps water quality to meet the aquaculture water supply standard, wait mating to finish after, male shrimp is all taken out, treat that female shrimp lays eggs;
(3) hatching: at first carry the last week with the bleaching powder of 90～100 mg/L to feed-based hatchery 10～15 min that sterilize, then in feed-based hatchery, add water, water level is to 2/3 place with the feed-based hatchery height, regulate heating apparatus, the control water temperature is constant in 25 ℃, open oxygen-increasing device, regulate the water body dissolved oxygen amount at 2.7～2.9mg/L, after water quality meets the aquaculture water supply standard, oogenesis parent shrimp is moved in the net cage of feed-based hatchery, breeding density is 30～60 Zhi/㎡, the regularly bait throwing in of every morning and afternoon, daily ration, feeding quantity is about 5～6% of close shrimp body weight, keeps water quality to meet the aquaculture water supply standard, emerge to III phase disengaging parent until the hatching of shrimp seedling, close shrimp is removed together with net cage;
(4) juvenile shrimp cultivation: regularly drop into bait in every morning and afternoon, daily ration, feeding quantity is 3～5% of cray whose body weight, keep water temperature constant 25 ℃ and water body dissolved oxygen amount at 2.7～2.9mg/L, keep water quality to meet the aquaculture water supply standard, cultivate to 2～5cm the juvenile prawn body is long;
(5) the shrimp seedling is fished for: at first pass through the trapping measure, fish for out the most of shrimp seedling in the hatching facility, then at the osculum place of hatching facility the instrument of fishing for is set, the water in the hatching facility is drained, fish for residue shrimp seedling.
2. cray cement pit mating system according to claim 1, it is characterized in that: step (1) is the close shrimp of selecting different shrimp species groups with close shrimp described in the step (2).
3. cray cement pit mating system according to claim 1 is characterized in that: the oogenesis parent shrimp described in the step (3) refers to the oogenesis parent shrimp that contemporaneity is laid eggs.
4. cray cement pit mating system according to claim 1, it is characterized in that: water supply standard meets pollution-free food aquiculture fresh water water quality NY5051-2001 described in step (2), (3) (4).
5. cray cement pit mating system according to claim 1 is characterized in that: to meet the aquaculture water supply standard be by add water, change water and guarantee in good time to water quality in step (2), (3) (4).
6. cray cement pit mating system according to claim 1 is characterized in that: after the mating cement pit in step (2) and the step (3) and feed-based hatchery add water, place the water peanut branch respectively in the pond.
7. cray cement pit mating system according to claim 1, it is characterized in that: after the mating cement pit in step (2), the step (3) and the water quality reaching standard of feed-based hatchery are stable, first indivedual close shrimps are put into the pond and try the water, without unusual, put again all the other close shrimps in a suitable place to breed after 24 hours.
8. cray cement pit mating system according to claim 1, it is characterized in that: the trapping measure described in the step (5) refers to place cage in feed-based hatchery, or fishes for the string bag.
9. cray cement pit mating system according to claim 1 is characterized in that: the described bait throwing in time be every morning 9:00 and afternoon 17:00.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210863A (en) * | 2013-04-19 | 2013-07-24 | 浙江省淡水水产研究所 | Establishing method of procambarus clarkia family |
| CN103609502A (en) * | 2013-12-11 | 2014-03-05 | 湖北莱克水产食品股份有限公司 | Red swamp crayfish factory breeding technology |
| CN104430069A (en) * | 2014-09-24 | 2015-03-25 | 全椒县花溪湖特种水产合作社 | Cray indoor artificial reproduction method |
| CN105230544A (en) * | 2015-10-30 | 2016-01-13 | 湖北省小龙虾良种选育繁育中心有限公司 | Artificial breeding method for crayfishes in net cage |
| CN105475204A (en) * | 2015-12-31 | 2016-04-13 | 苏州傲龙生态水产养殖有限公司 | Incubation method for lobsters |
| CN108739567A (en) * | 2018-05-14 | 2018-11-06 | 霍山县大海生态养殖农民专业合作社 | A kind of cray reproduction technique |
| CN108812467A (en) * | 2018-06-05 | 2018-11-16 | 湖州本澳农业开发有限公司 | A kind of Australia freshwater lobster offspring breeding method |
| CN108935255A (en) * | 2018-08-28 | 2018-12-07 | 刘爱民 | The Cultivating techniques of cray seedling |
| CN109832219A (en) * | 2019-04-02 | 2019-06-04 | 华中农业大学 | A method of improving cray weed survival rate |
| CN110050738A (en) * | 2019-05-10 | 2019-07-26 | 中国水产科学研究院长江水产研究所 | A kind of cray greenhouse net cage method for scaled breeding and device |
| CN111280101A (en) * | 2020-03-27 | 2020-06-16 | 广西壮族自治区水产科学研究院 | Method for breeding crayfishes in early spring in workshop |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103210863A (en) * | 2013-04-19 | 2013-07-24 | 浙江省淡水水产研究所 | Establishing method of procambarus clarkia family |
| CN103609502A (en) * | 2013-12-11 | 2014-03-05 | 湖北莱克水产食品股份有限公司 | Red swamp crayfish factory breeding technology |
| CN103609502B (en) * | 2013-12-11 | 2015-11-11 | 湖北莱克水产食品股份有限公司 | Procambius clarkii plant modification method |
| CN104430069A (en) * | 2014-09-24 | 2015-03-25 | 全椒县花溪湖特种水产合作社 | Cray indoor artificial reproduction method |
| CN105230544A (en) * | 2015-10-30 | 2016-01-13 | 湖北省小龙虾良种选育繁育中心有限公司 | Artificial breeding method for crayfishes in net cage |
| CN105475204A (en) * | 2015-12-31 | 2016-04-13 | 苏州傲龙生态水产养殖有限公司 | Incubation method for lobsters |
| CN108739567A (en) * | 2018-05-14 | 2018-11-06 | 霍山县大海生态养殖农民专业合作社 | A kind of cray reproduction technique |
| CN108812467A (en) * | 2018-06-05 | 2018-11-16 | 湖州本澳农业开发有限公司 | A kind of Australia freshwater lobster offspring breeding method |
| CN108935255A (en) * | 2018-08-28 | 2018-12-07 | 刘爱民 | The Cultivating techniques of cray seedling |
| CN109832219A (en) * | 2019-04-02 | 2019-06-04 | 华中农业大学 | A method of improving cray weed survival rate |
| CN110050738A (en) * | 2019-05-10 | 2019-07-26 | 中国水产科学研究院长江水产研究所 | A kind of cray greenhouse net cage method for scaled breeding and device |
| CN111280101A (en) * | 2020-03-27 | 2020-06-16 | 广西壮族自治区水产科学研究院 | Method for breeding crayfishes in early spring in workshop |
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Application publication date: 20130327 |