CN103004656A - Intensified artificial breeding method for Australian crayfishes - Google Patents
Intensified artificial breeding method for Australian crayfishes Download PDFInfo
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- CN103004656A CN103004656A CN2012105444688A CN201210544468A CN103004656A CN 103004656 A CN103004656 A CN 103004656A CN 2012105444688 A CN2012105444688 A CN 2012105444688A CN 201210544468 A CN201210544468 A CN 201210544468A CN 103004656 A CN103004656 A CN 103004656A
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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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Abstract
The invention discloses an intensified artificial breeding method for Australian crayfishes. The method comprises the following steps of: putting pubescent parent crayfishes which pull through a wintering period into a spawning pond according to a proportion of 1-3: 1 of female and male, wherein circulating water is adopted in the spawning pond to automatically control and increase oxygen; sterilizing fertilized ovigerous female crayfishes, putting into small hatching lattices in a hatching pond, wherein one crayfish is hatched in each small hatching lattice, and carrying out water-flow hatching; and enabling hatched young crayfish seeds to leave away from mother bodies after 30-50 days of incubation period, enabling the young crayfish seeds to escape into water through a filter screen of the hatching pond, after all the crayfish seeds at the abdomen of the ovigerous female crayfishes leave away from the mother bodies, immediately separating the parent crayfishes, and remaining the young crayfish seeds to be continuously cultivated for 5-10 days, so that the cultivation can be carried out. According to the method, the artificial intensified breeding incubation can be carried out according to the required offspring seed quantity and the required offspring seed time at any time, the water temperature, the dissolved oxygen, the water quality and the like can be controlled, the method can not be influenced by environment, and the method is high in fertilizing rate, spawning rate and hatching rate.
Description
Technical field
The present invention relates to the aquatic products mating system, particularly a kind of intensive raising technology of shrimps.
Background technology
Australia freshwater lobster, formal name used at school are four ridge bare hulls south huge legendary turtle shrimp, have another name called red claw crayfish, originate in Australia, exactly like marine lobster, are in the world one of the famousst and precious economic freshwater shrimp species.This shrimp body colour breen, the top, the outside of the chela of ripe male shrimp have a membranous scarlet band, and be beautiful good-looking, so be described as again red claw crayfish.Its good looking appearance, the body colour breen, cephalothorax is connected with belly and is connected, outer by one deck rigid shell, and 5 pairs of pereiopoda are arranged, outer by a rigid shell, and 5 pairs of pereiopoda are arranged, the first pair of pereiopoda is flourishing especially and become powerful chela, and male chela is more flourishing than female, and the outside of chela also has 1 membranous scarlet band, and its head has 6 of antennas, afterbody then has 5 tail fans, thus Australia freshwater lobster appearance might and beautiful good-looking again, thereby have ornamental value concurrently.
Freshwater lobster institute is fatty mainly to be comprised of unsaturated fat, fatty acid, be easy to absorption of human body, have kidney tonifying, establishing-Yang, enriching yin, stomach invigorating, the function such as anticancer, has the effect that improves body immunity, exercise tolerance, be all very high animal foodstuffs of nutrition, food therapy value, for this reason very popular.And shrimp head, shrimp shell be rich in chitin, can be widely used in the fields such as food, chemical industry, medicine, environmental protection, agricultural.
At present, the more advanced mating system of China's Australia freshwater lobster is after cultivating through during Wintering Period, and close shrimp gonad maturity when water temperature is suitable, is put in the male and female shrimp and carries out the natural mating fertilization in the spawning pond, lays eggs.The ovum of post-coitum output wraps tightly belly, and attached work moves into the hatchery to shrimp with ovums again and carries out Lotic hatching, under suitable condition, through about 30-40 days nurturing period on the cilium of the pedes natatorii of belly this moment.The shrimp of oogenesis is in hatching process, and to kermesinus, later clear area enlarges the ovum look gradually by yellow green, and ossphere slightly expands and elongates, and eyespot occurs, and appendage forms, and last egg membrane comes off, and young shrimp forms.Although more advanced than the mating system of traditional shrimps like this, but still exist following disadvantage: the one, water temperature, dissolved oxygen, water quality etc. are uncontrollable, and are affected by environment large, cause fertilization rate, spawning rate, incubation rate lower; The 2nd, repoductive time, quantity can't Artificial Control, can not produce at regular time and quantity by seed as required; The 3rd, because shrimps spawning and fertilization Time Inconsistency, the seedling specification difference of hatching out with the pond is large, and seed is irregular, mutually nibbles and causes the seed rearing survival rate low; The 4th, when hatching with the pond shrimp with ovums strive food, strive domain etc. mutually bait, fight cause shrimp damage, fertilized egg to come off, hatch seedling the phenomenon such as to be nibbled serious.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of not affected by environment, fertilization rate, spawning rate, incubation rate, the intensive artificial breeding method of freshwater lobster that the cultivation survival rate is high.
For achieving the above object, technical scheme of the present invention is to carry out according to the following steps:
1, the sexually matured close shrimp of process during Wintering Period, ratio according to male and female 1-3:1 is put in the spawning pond, adopt cycling use of water in the spawning pond, automatically control oxygen oxygenation, keep water temperature 20-30 degree, observe at any time after 2-3 days, the female shrimp of its oogenesis that has been fertilized is separated, and the remaining close shrimp that does not lay eggs stays waits to produce;
2, with after its fertilization oogenesis female shrimp disinfection, be put in the little lattice of hatching in the hatchery, each is hatched little lattice and puts one, carry out Lotic hatching, keep water temperature 20-30 degree, bait 1-2 time of throwing something and feeding every day, throw something and feed after the bait, it is 0.5-3 hour that residual bait is removed blanking time;
3, through 30-50 days nurturing period, after hatching young shrimp seedling out leaves parent, escape in the entry through the screen pack of hatchery, after shrimp with ovums belly shrimp seedling all leaves parent, at once separate close shrimp, young shrimp seedling stays and continues to cultivate 5-10 days, can cultivate.
The cycling use of water that adopts in the described spawning pond is the cycling use of water after purifying through ultraviolet and ozone sterilization, active carbon, corallite, screen pack.
The oxygenation of described automatic control oxygen is to utilize air compressor machine, oil gas filter, nanometer oxygen increasing tube, dissolved oxygen Monitoring and Controlling instrument automatically to control oxygen oxygenation.
Described hatchery is the 4-10 layer, and every layer is fixed with the little lattice of hatching, and little lattice size is long 50-500 mm, wide 50-500mm.
Described hatchery is fixed with screen pack apart from the 1/3-1/5 place of bottom, and the mesh size of screen pack is long 5-50mm, wide 5-50mm.
Lotic hatching in the described hatchery is through the water inlet of hatchery top layer, the discharge outlet of bottom, pass through purified treatment again after, be recycled to the water inlet of top layer with the water pump that draws water.
Described purified treatment is to carry out water purification through ultraviolet ray and ozone sterilization, active carbon, corallite, screen pack.
The present invention is after cultivating through during Wintering Period, and during close shrimp gonad maturity, seed quantity that at any time can be as required, the seed time that needs carry out artificial intensive and breeds hatching.
Compared with prior art, have following characteristics:
1, water temperature, dissolved oxygen, water quality etc. all can be controlled, and are not affected by environment, fertilization rate, spawning rate, incubation rate height.
But 2, repoductive time, quantity Artificial Control can be produced by seed as required at regular time and quantity.
3, shrimp with ovums separates hatching, mutually fights, baits to occur, and hatching young shrimp out can be swum in the grid of incubator box bottom automatically, has avoided close shrimp to nibble.
According to collecting young shrimp after the hatching of different oogenesis time, its seed size is neat when 4, separating hatching, and the cultivation survival rate is high, has solved the problem of close shrimp oogenesis Time Inconsistency.
Specific embodiments
Embodiment 1: technical scheme of the present invention is to carry out according to the following steps:
The T/A of seed is put in the ratio of sexually matured close shrimp according to male and female 2:1 in the spawning pond as required, adopts cycling use of water in the pond, automatically controls oxygen oxygenation.Whole water employing is the cycling use of water after purifying through ultraviolet and ozone sterilization, active carbon, corallite, screen pack, also can directly buy the water purifier of selling on the market water is carried out purified treatment, the water conservancy after the purification recycles with the water pump that draws water.The oxygenation of described automatic control oxygen is to utilize air compressor machine, oil gas filter, nanometer oxygen increasing tube, the dissolved oxygen Monitoring and Controlling instrument sold on the market automatically to control oxygen oxygenation.
Progressively heat up in the spawning pond and keep close shrimp water temperature 28 degree of laying eggs, temperature adopts the air energy heat pump water heater of selling on the market to control, this equipment utilization air energy, be 1/4th of common heater energy consumption, and temperature is controlled well, accuracy is high.Observe at any time after 2 days, its female shrimp of oogenesis that has been fertilized is separated gently, move to the hatchery, the remaining close shrimp that does not lay eggs continues to stay waits to produce.
The hatchery is divided into 5 layers, and every layer is fixed with 100 little lattice of hatching, and little lattice size is long 200mm, wide 200 mm.With its fertilization oogenesis female shrimp disinfect after, be put in the little lattice of hatching in the hatchery, carry out Lotic hatching, described Lotic hatching is through the water inlet of hatchery top layer, the discharge outlet of bottom, again through purified treatment, air energy heat pump water heater outside the hatchery, be recycled to the water inlet of top layer, cycling use of water with the water pump that draws water.Described purified treatment is to carry out the water purification processing through ultraviolet ray and ozone sterilization, active carbon, corallite, screen pack, and the temperature in the hatchery is to have utilized air energy heat pump water heater control, and keeping water temperature is 28 degree.Described purified treatment, temperature control also can be satisfied the cycling use of water of spawning pond and hatchery simultaneously, jointly use a set of equipment.
Each hatches the hatchery little lattice and puts a shrimp, can avoid like this shrimp with ovums belly ovum to be not easy, and puts into shrimp with ovums and can indicate the beginning brooding time, and the seed that is beneficial to is from now on collected.Throw something and feed every day bait 2 times is thrown something and fed and is removed residual bait in rear 2 hours.The hatchery also is fixed with screen pack apart from 1/5 place of bottom, and the mesh size of screen pack is long 20mm, wide 20mm.
Observe at any time the index such as water temperature, dissolved oxygen of cycling use of water, leave parent to young shrimp and live on one's own life from finishing ivf zygote, through 40 days nurturing period, after hatching young shrimp seedling out leaves parent, below the grid bottom escaping in the entry through screen pack, avoid close shrimp to nibble.After shrimp with ovums belly shrimp seedling in incubator box all leaves parent, at once separate close shrimp and carry out the reinforced cultivating in postpartum, in order to laying eggs next time.Young shrimp seedling stays continue to be cultivated 8 days, when seed size reaches 2-3 centimetre, just can according to batch, same specification confession raiser carries out breeding production.
Claims (7)
1. intensive artificial breeding method of Australia freshwater lobster is characterized in that following these steps to carrying out:
(1) the sexually matured close shrimp of process during Wintering Period, ratio according to male and female 1-3:1 is put in the spawning pond, adopt cycling use of water in the spawning pond, automatically control oxygen oxygenation, keep water temperature 20-30 degree, observe at any time after 2-3 days, the female shrimp of its oogenesis that has been fertilized is separated, and the remaining close shrimp that does not lay eggs stays waits to produce;
(2) with after its fertilization oogenesis female shrimp disinfection, be put in the little lattice of hatching in the hatchery, each is hatched little lattice and puts one, carry out Lotic hatching, keep water temperature 20-30 degree, bait 1-2 time of throwing something and feeding every day, throw something and feed after the bait, it is 0.5-3 hour that residual bait is removed blanking time;
(3) through 30-50 days nurturing period, after hatching young shrimp seedling out leaves parent, escape in the entry through the screen pack of hatchery, after shrimp with ovums belly shrimp seedling all leaves parent, at once separate close shrimp, young shrimp seedling stays and continues to cultivate 5-10 days, can cultivate.
2. the intensive artificial breeding method of a kind of Australia freshwater lobster according to claim 1 is characterized in that: the cycling use of water that adopts in the described spawning pond is through the cycling use of water after ultraviolet ray and ozone sterilization, active carbon, corallite, the screen pack purification.
3. the intensive artificial breeding method of a kind of Australia freshwater lobster according to claim 1 and 2, it is characterized in that: the oxygenation of described automatic control oxygen is to utilize air compressor machine, oil gas filter, nanometer oxygen increasing tube, dissolved oxygen Monitoring and Controlling instrument automatically to control oxygen oxygenation.
4. the intensive artificial breeding method of a kind of Australia freshwater lobster according to claim 1, it is characterized in that: described hatchery is the 4-10 layer, and every layer is fixed with the little lattice of hatching, and little lattice size is long 50-500 mm, wide 50-500mm.
5. the intensive artificial breeding method of a kind of Australia freshwater lobster according to claim 1, it is characterized in that: described hatchery is fixed with screen pack apart from the 1/3-1/5 place of bottom, and the mesh size of screen pack is long 5-50mm, wide 5-50mm.
6. according to claim 1 or the intensive artificial breeding method of 4 or 5 described a kind of Australia freshwater lobsters, it is characterized in that: the Lotic hatching in the described hatchery, through the water inlet of hatchery top layer, the discharge outlet of bottom, after passing through purified treatment again, be recycled to the water inlet of top layer with the water pump that draws water.
7. the intensive artificial breeding method of a kind of Australia freshwater lobster according to claim 6 is characterized in that: described purified treatment is to carry out water purification through ultraviolet ray and ozone sterilization, active carbon, corallite, screen pack.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105165691A (en) * | 2015-10-25 | 2015-12-23 | 钟静海 | Method for breeding red crabs and shrimps in lotus root pool |
| CN105325345A (en) * | 2015-11-05 | 2016-02-17 | 江西省澳龙农业综合发展有限公司 | Cherax quadricarinatus imitative ecological artificial scaled incubation culture technology |
| 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 |
| CN105557590A (en) * | 2016-01-18 | 2016-05-11 | 琼海胜达种植养殖场 | Australian cherax quadricarinatus in-vitro hatching method |
| CN105706975A (en) * | 2016-03-07 | 2016-06-29 | 五河县金满塘生态种养殖家庭农场 | Freshwater feeding method of sillago sihama |
| CN108207723A (en) * | 2018-01-04 | 2018-06-29 | 衡阳县老战友农业开发有限公司 | A kind of method of Australia freshwater lobster cultivation |
| CN108739572A (en) * | 2018-07-06 | 2018-11-06 | 新疆旭日昕昤环保科技有限公司 | Australia freshwater lobster method for culturing seedlings in the ecological water of symbiosis culture solution is planted containing fish |
| CN109105310A (en) * | 2018-08-16 | 2019-01-01 | 珠海鸿泽澳龙水产科技有限公司 | A kind of construction of freshwater lobster hatching field and hatching method |
| CN109430128A (en) * | 2018-10-24 | 2019-03-08 | 俞亚清 | A kind of breeding and propagation method and device thereof of Australia freshwater lobster |
| CN112544511A (en) * | 2020-12-09 | 2021-03-26 | 中国科学院水生生物研究所 | Device and method for in-vitro hatching of fertilized eggs of crayfish |
| CN114271226A (en) * | 2021-12-14 | 2022-04-05 | 苏州恒洋澳龙农业科技有限公司 | Australia crayfish seedling raising method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105165691A (en) * | 2015-10-25 | 2015-12-23 | 钟静海 | Method for breeding red crabs and shrimps in lotus root pool |
| CN105325345A (en) * | 2015-11-05 | 2016-02-17 | 江西省澳龙农业综合发展有限公司 | Cherax quadricarinatus imitative ecological artificial scaled incubation culture technology |
| 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 |
| CN105557590A (en) * | 2016-01-18 | 2016-05-11 | 琼海胜达种植养殖场 | Australian cherax quadricarinatus in-vitro hatching method |
| CN105706975A (en) * | 2016-03-07 | 2016-06-29 | 五河县金满塘生态种养殖家庭农场 | Freshwater feeding method of sillago sihama |
| CN108207723A (en) * | 2018-01-04 | 2018-06-29 | 衡阳县老战友农业开发有限公司 | A kind of method of Australia freshwater lobster cultivation |
| CN108739572A (en) * | 2018-07-06 | 2018-11-06 | 新疆旭日昕昤环保科技有限公司 | Australia freshwater lobster method for culturing seedlings in the ecological water of symbiosis culture solution is planted containing fish |
| CN108739572B (en) * | 2018-07-06 | 2021-08-31 | 新疆旭日昕昤环保科技有限公司 | Australia freshwater lobster seedling culture method in ecological water containing fish-plant symbiotic culture solution |
| CN109105310A (en) * | 2018-08-16 | 2019-01-01 | 珠海鸿泽澳龙水产科技有限公司 | A kind of construction of freshwater lobster hatching field and hatching method |
| CN109430128A (en) * | 2018-10-24 | 2019-03-08 | 俞亚清 | A kind of breeding and propagation method and device thereof of Australia freshwater lobster |
| CN112544511A (en) * | 2020-12-09 | 2021-03-26 | 中国科学院水生生物研究所 | Device and method for in-vitro hatching of fertilized eggs of crayfish |
| CN114271226A (en) * | 2021-12-14 | 2022-04-05 | 苏州恒洋澳龙农业科技有限公司 | Australia crayfish seedling raising method |
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Application publication date: 20130403 |