CN109430128B - Breeding and breeding method and device for Australia crayfishes - Google Patents

Breeding and breeding method and device for Australia crayfishes Download PDF

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Publication number
CN109430128B
CN109430128B CN201811245235.1A CN201811245235A CN109430128B CN 109430128 B CN109430128 B CN 109430128B CN 201811245235 A CN201811245235 A CN 201811245235A CN 109430128 B CN109430128 B CN 109430128B
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shrimp
parent
nests
breeding
nest
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CN109430128A (en
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俞亚清
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俞亚清
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/50Culture of aquatic animals of shellfish
    • A01K61/59Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/003Aquaria; Terraria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/003Aquaria; Terraria
    • A01K63/006Accessories for aquaria or terraria
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/042Introducing gases into the water, e.g. aerators, air pumps
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04Arrangements for treating water specially adapted to receptacles for live fish
    • A01K63/045Filters for aquaria
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Abstract

The invention discloses a breeding and breeding method and a device of Australia freshwater lobsters, wherein the breeding and breeding method of the lobsters comprises water quality treatment, parent shrimp selection, feed feeding and management, wherein the male and female feeding proportion of parent shrimps is 2.5:1, and the feeding density is 10-12 lobsters per square meter; the lobster breeding device comprises a water treatment device, a parent shrimp breeding pond and a shrimp fry collecting device, wherein the parent shrimp breeding pond is divided into an upper layer and a lower layer through a hollow net, the upper layer is a parent shrimp moving layer, and the lower layer is a shrimp fry moving layer. The breeding and propagating method and the device for the Australia crayfish can ensure higher survival rate of the crayfish fries.

Description

Breeding and breeding method and device for Australia crayfishes
Technical Field
The invention relates to a breeding method and a breeding device for lobsters, in particular to a breeding method and a breeding device suitable for Australia freshwater lobsters.
Background
The Chinese academic name of red swamp crayfish (Latin name: Cherax aquaticarinatus): australia freshwater lobster, Australia, as a place of origin, lives in fresh water and is named like a crayfish in the sea in appearance. The shrimp is large, the weight of each shrimp is 100-200 g, and the maximum individual weight can reach 500 g. And the shrimp grows fast, the output is high, the shrimp can be harvested in the same year when stocking in the same year, and the output of fresh commercial shrimps per mu is about 250 kilograms. The feed has wide source, less diseases, strong adaptability and obvious economic benefit. The shrimp breeding is still in the beginning stage in China, and is another rare economic shrimp species introduced after the macrobrachium rosenbergii in China. How to ensure the higher breeding success rate of the Australia crayfishes is a key problem to be solved.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a breeding method and a device for the Australian crayfish, so as to ensure the high breeding success rate of the Australian crayfish.
The technical scheme is as follows: in order to achieve the purpose, the lobster breeding method comprises the following steps:
water quality treatment: the culture water passes through the sewage treatment equipment to remove particles and microorganisms in the water, reduce the turbidity of the water and improve the oxygen content in the water.
Selecting parent shrimps: adult shrimps with strong activity, complete appendages, smooth bodies, no attachments and diseases are selected as parent shrimps, the parent shrimps are soaked in formalin with the concentration of 200 x 10 < -6 > for 5 minutes before entering an overwintering pond, and after attached organisms are eliminated, the parent shrimps are transferred into the parent shrimp pond for cultivation, wherein the ratio of male and female shrimps is 2.5:1, and the stocking density is 10-12 shrimps per square meter.
Feeding the feed: feeding commercial shrimp and crab pellet feed with protein content of 40% every day, and in the process of raising the temperature, increasing the feeding amount of the animal feed to 1% of the weight of the parent shrimps, and increasing or reducing the feeding amount according to the eating condition of the parent shrimps.
Management: the oxygen is added at regular time in the overwintering process, the oxygen is continuously added in the intensified management process, and the residual baits and the excrement are absorbed in time in the whole lobster breeding process.
Further, the individual weight of the parent shrimps in the step (1) is at least 90 g.
Further, the temperature in the temperature raising cultivation process in the step (3) is controlled to be 27-29 ℃.
Further, the dissolved oxygen of the water for cultivation in the strengthening management process in the step (4) is at least 4 mg/L.
The lobster breeding device comprises sewage treatment equipment, a parent shrimp culture pond and a shrimp fry collecting device, wherein the parent shrimp culture pond is connected with the sewage treatment equipment, and the shrimp fry collecting device is connected with the parent shrimp culture pond.
The water treatment equipment comprises a sedimentation tank, an aeration tank, a protein separator, a steam heating tank, a sand filter and an oxygen cone; the system comprises a sedimentation tank, a water inlet end, a water outlet end, a water quality detection device, a lifting pump, a protein separator, an ultraviolet ray disinfection machine, a steam heating tank, a pressure pump, an oxygen cone and a water inlet end, wherein the water inlet end of the sedimentation tank is connected with a water source, the water outlet end of the sedimentation tank is connected with the water inlet end of the aeration tank through the water quality detection device and the lifting pump in sequence, the water outlet end of the aeration tank is connected with the water inlet end of the protein separator, the water outlet end of the protein separator is connected with the water inlet end of the steam heating tank through the ultraviolet ray disinfection machine, the water outlet end of the steam heating tank is connected with the.
Further, the parent shrimp culture pond is divided into a parent shrimp movable layer and a shrimp seed movable layer, a plurality of shrimp nests are arranged on the side wall of the parent shrimp movable layer, and the parent shrimp movable layer is arranged above the shrimp seed movable layer and is separated by a hollow net.
Furthermore, the shrimp nests comprise a plurality of first shrimp nests, a plurality of second shrimp nests and a plurality of third shrimp nests, the plurality of first shrimp nests are arranged below the plurality of second shrimp nests, the plurality of third shrimp nests are arranged below the plurality of first shrimp nests, and the second shrimp nests, the first shrimp nests and the third shrimp nests are arranged in a vertically staggered mode;
first shrimp nest and second shrimp nest are the tubular structure, the outer wall at third shrimp nest middle part is spherical to having bulged outward, be provided with a plurality of fretwork hole on the outer wall of first shrimp nest and third shrimp nest, the outer end cover of first shrimp nest and third shrimp nest is equipped with solid fixed ring.
Further, the bottom on shrimp larvae active layer is provided with the overflow mouth, the overflow mouth cover is equipped with the overflow pipe, the top of overflow pipe extends to the top on parent shrimp active layer, the top of overflow pipe is covered and is established poroid board, shrimp larvae active layer passes through the overflow mouth and is connected with shrimp larvae collection device.
Further, shrimp larvae collection device set up in the below in parent shrimp breed pond, shrimp larvae collection device includes the shrimp larvae collecting pit, the opening part of shrimp larvae collecting pit is provided with covers and is equipped with the fretwork board.
The beneficial effects of the invention are as follows: the breeding and propagation method for the Australian lobsters can ensure higher survival rate of the lobsters; according to the breeding and breeding device for the Australian lobsters, the parent shrimp breeding pond is divided into the parent shrimp movable layer and the shrimp larvae movable layer, the parent shrimp is separated through the hollow net, the shrimp larvae can be prevented from eating the shrimp larvae by the parent shrimp clamp, meanwhile, the shrimp larvae are separated from the parent shrimps, the problem that the parent shrimps and the shrimp larvae are mixed together and are difficult to separate is solved by collecting the shrimp larvae through the shrimp larvae collecting device, and the labor intensity of breeding workers is reduced.
Drawings
FIG. 1 is a system diagram of a breeding device for Australia crayfish according to the present invention;
FIG. 2 is a schematic structural diagram of a parent shrimp culture pond and a shrimp seed collecting device according to the invention;
FIG. 3 is a schematic structural view of a parent shrimp culture pond according to the present invention;
FIG. 4 is a first direction sectional view of the parent shrimp culture pond according to the present invention;
FIG. 5 is a second sectional view of the parent shrimp-breeding pond according to the present invention;
FIG. 6 is a schematic structural view of a first shrimp nest in accordance with the present invention;
fig. 7 is a schematic structural view of a third shrimp nest according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figures 1 to 7, the breeding and breeding method and the device for the Australia crayfish have the advantages that the breeding field is selected from places which have good water source, convenient drainage and irrigation, fresh air and quiet environment and are not interfered by nature and human, the breeding water adopts the river transportation water, the water is precipitated by the sedimentation tank, the water quality is detected, the breeding water is lifted to the aeration biochemical treatment tank by the lifting pump after being qualified, the breeding water enters the ultraviolet sterilization and disinfection after passing through the protein separator, the breeding water is heated to 28 ℃ in the steam heating tank, the breeding water is sent to the sand filter by the pressure water pump, and the oxygen cone enters the water inlet pipeline to the adult crayfish breeding tank 1. The pond water of the parent shrimp culture pond is filtered once every sixteen hours in flow by adopting a micro-circulation water flow mode, wherein the aeration pond is used for decomposing organic pollutants in water, the protein separator can adsorb various granular dirt and soluble organic matters mixed in the water, the treated culture water is fresh in water quality and high in dissolved oxygen content, especially during the reinforced culture period, the dissolved oxygen content of the culture water is ensured to be 4mg/L, and the survival rate and the egg-laying rate of female shrimps can be improved in a good water quality environment.
The parent shrimps are grown shrimps which have strong vitality, complete appendages, smooth bodies and no attachments or diseases (such as tail rot and shell damage) and are selected as the parent shrimps. In order to obtain high fertility, the parent shrimps with individual weight of 120g, good sexual maturity and high fecundity are selected, and the parent shrimps are grouped according to the specification size, and the male and female parent shrimps with the individual weight close to the weight are selected. Before entering the overwintering pond, formalin with the concentration of 200 multiplied by 10 < -6 > is used for immersion bath for about 5 minutes, and the parent shrimp can be cultured after the attached organisms are eliminated. According to practical experience of production, the ratio of male to female is preferably 2.5: 1. The stocking density is more suitable for stocking 10-12 shrimps per square meter, the stocking density is directly related to the cultivation effect of the parent shrimps, and the poor growth and development of the parent shrimps are caused by overlarge stocking density; too low stocking density will result in waste of pool, manpower and material resources.
Feeding parent shrimps in the last ten days of 11 months into a parent shrimp culture pond, feeding commercial shrimp and crab pellet feed with 40 percent of protein content every evening, and in the process of raising the temperature and strengthening the culture, feeding animal feeds such as fish, shrimps and the like in an increased amount which is generally 1 percent of the weight of the parent shrimps, and increasing or reducing the feeding amount according to the eating condition. The residual bait and feces are sucked off at regular time to avoid water quality deterioration. The oxygen is charged at regular time in the overwintering process, and the oxygen is continuously charged in the strengthening management process. When the temperature is increased during intensive cultivation, the temperature is controlled to be between 27 and 29 ℃, nutrient substances are the material basis for the gonad development of parent shrimps, and the growth and development of the parent shrimps can be promoted by additionally feeding animal feeds such as small fish, earthworms, shells and the like during the cultivation period, particularly during the intensive cultivation period.
The sewage treatment device, the parent shrimp culture pond 1 and the shrimp larvae collecting device 2 are sequentially connected, wherein the parent shrimp culture pond 1 is divided into a parent shrimp activity layer 101 and a shrimp larvae activity layer 102, a plurality of shrimp nests 103 are arranged on the side wall of the parent shrimp activity layer 101, and the parent shrimp activity layer 101 is arranged above the shrimp larvae activity layer 102 and is separated by a hollow net 104. The hollow net 104 divides the parent shrimps and the young shrimps, so that the parent shrimps are effectively prevented from eating the young shrimps by the pincers, and the higher survival rate of the young shrimps is ensured.
The bottom of shrimp seed movable layer 102 is provided with the overflow mouth, overflow mouth cover is equipped with overflow pipe 105, the top of overflow pipe 105 extends to the top of parent shrimp movable layer 101, shrimp seed movable layer 102 passes through the overflow mouth and is connected with shrimp seed collection device 102. When the surface of water in the pond 1 is bred to the parent shrimp highly is higher than overflow pipe 105 top, unnecessary water can be discharged through overflow pipe 105, and foraminiferous board 106 covers establishes at overflow pipe 105 top, can prevent that the parent shrimp from escaping via overflow pipe 105, when needs collect the shrimp seedling, upwards pulls out overflow pipe 105, and the shrimp seedling follows rivers and passes through overflow mouth entering shrimp seedling collection device 2, and the collection of shrimp seedling just can be accomplished to the moisture of arranging into in the shrimp seedling collection device 2. In order to save space, also make things convenient for the shrimp larvae to follow rivers simultaneously and get into shrimp larvae collection device 2, will shrimp larvae collection device 2 set up in the bottom of parent shrimp culture pond 1, shrimp larvae collection device 2 include shrimp larvae collecting pit 201, the opening part of shrimp larvae collecting pit 201 covers establishes fretwork board 202 to inside the convenient observation shrimp larvae collecting pit.
The shrimp nest 103 is divided into a first shrimp nest 107, a second shrimp nest 108 and a third shrimp nest 109, the first shrimp nest 107 is arranged below the second shrimp nest 108, the third shrimp nest 109 is arranged below the second shrimp nest 108, the first shrimp nest 107, the second shrimp nest 108 and the third shrimp nest 109 are sequentially staggered from top to bottom so as to prevent the shrimp nests 103 from being overlapped from top to bottom to influence the illumination of the shrimp nests 103, the first shrimp nest 107 and the second shrimp nest 108 are both cylindrical, meanwhile, as the first shrimp nest 107 and the third shrimp nest 109 are positioned at a lower position of the water surface, in order to avoid insufficient illumination, hollow holes are arranged on the first shrimp nest 107 and the third shrimp nest 109, the first shrimp nest 107 can promote the water quality to flow, the water quality environment in the first shrimp nest 107 is ensured, larger parent shrimps move inconveniently and are difficult to dissociate to the upper shrimp nest, so the outer wall of the middle part of the third shrimp nest 109 positioned at the lowest end is protruded outwards to form a larger parent shrimp ball, make things convenient for it to hold eggs, and third shrimp nest 109 is arranged in the bottom of parent shrimp movable layer 101, and is close to fretwork net 104, and rivers are gentler, designs the main part of third shrimp nest 109 into the sphere, and the excrement that parent shrimp produced in third shrimp nest 109 can slide along the sphere and get rid of outside the shrimp nest through the fretwork hole on the third shrimp nest 109 outer wall, has guaranteed the health in the shrimp nest.
The outer walls of the first shrimp nest 107 and the third shrimp nest 109 are provided with hollowed holes, so that the structure is not firm, particularly, the outer ends of the first shrimp nest 107 and the third shrimp nest 109 are impacted by water flow or the clamping of parent shrimps is serious, and in order to prevent the damage of the parent shrimps, the outer ends of the first shrimp nest 107 and the third shrimp nest 109 are sleeved with fixing rings 110.
In the embodiment, 7310 female shrimps and 2924 male shrimps are put into the 34 parent shrimp culture ponds 1 in 2017, 11 and 6 days, the temperature is slowly raised after three days, the temperature control keys are controlled to be 27-29 ℃, the parent shrimps start to spawn in 12 and 6 days, the adult shrimps become 5988 live females in 2018, 2 and 6 days, the spawning rate of 5896 tails of the female shrimps with spawning is 98.5%, and the survival rate of the female shrimps is 81.9%.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (4)

1. The utility model provides a device is bred and breeds to Australia freshwater lobster which characterized in that: the device comprises sewage treatment equipment, a parent shrimp culture pond (1) and a shrimp fry collecting device (2), wherein the parent shrimp culture pond (1) is connected with the sewage treatment equipment, and the shrimp fry collecting device (2) is connected with the parent shrimp culture pond (1); the method is characterized in that: the parent shrimp culture pond (1) is divided into a parent shrimp moving layer (101) and a shrimp seed moving layer (102), a plurality of shrimp nests (103) are arranged on the side wall of the parent shrimp moving layer (101), and the parent shrimp moving layer (101) is arranged above the shrimp seed moving layer (102) and is separated by a hollow net (104);
the shrimp nests (103) comprise a plurality of first shrimp nests (107), a plurality of second shrimp nests (108) and a plurality of third shrimp nests (109), the plurality of first shrimp nests (107) are arranged below the plurality of second shrimp nests (108), the plurality of third shrimp nests (109) are arranged below the plurality of first shrimp nests (107), and the second shrimp nests (108), the first shrimp nests (107) and the third shrimp nests (109) are arranged in a vertically staggered mode;
first shrimp nest (107) and second shrimp nest (108) are the tubular structure, the outer wall at third shrimp nest (109) middle part is spherical outwards having bulged, be provided with a plurality of fretwork hole on the outer wall of first shrimp nest (107) and third shrimp nest (109), the outer pot head of first shrimp nest (107) and third shrimp nest (109) is equipped with solid fixed ring (110).
2. The apparatus of claim 1, wherein the apparatus comprises: the sewage treatment equipment comprises a sedimentation tank, an aeration tank, a protein separator, a steam heating tank, a sand filter and an oxygen cone; the system comprises a sedimentation tank, a water inlet end, a water outlet end, a water quality detection device, a lifting pump, a protein separator, an ultraviolet ray disinfection machine, a steam heating tank, a pressure pump, an oxygen cone and a water inlet end, wherein the water inlet end of the sedimentation tank is connected with a water source, the water outlet end of the sedimentation tank is connected with the water inlet end of the aeration tank through the water quality detection device and the lifting pump in sequence, the water outlet end of the aeration tank is connected with the water inlet end of the protein separator, the water outlet end of the protein separator is connected with the water inlet end of the steam heating tank through the ultraviolet ray disinfection machine, the water outlet end of the steam heating tank is connected with the.
3. The apparatus of claim 1, wherein the apparatus comprises: the bottom of shrimp larvae active layer (102) is provided with the overflow mouth, overflow mouth cover is equipped with overflow pipe (105), the top of overflow pipe (105) extends to the top of parent shrimp active layer (101), porous plate (106) are established in the top of overflow pipe (105) cover, shrimp larvae active layer (102) are connected with shrimp larvae collection device (2) through the overflow mouth.
4. The apparatus of claim 3, wherein the apparatus comprises: shrimp larvae collection device (2) set up in the below of parent shrimp breed pond (1), shrimp larvae collection device (2) are including shrimp larvae collecting pit (201), the opening part of shrimp larvae collecting pit (201) is covered and is equipped with fretwork board (202).
CN201811245235.1A 2018-10-24 2018-10-24 Breeding and breeding method and device for Australia crayfishes Active CN109430128B (en)

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CN111165407B (en) * 2020-01-08 2021-09-14 广西北部湾海岳农业科技有限公司 Small black cream crab breeding method

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CN103004656A (en) * 2012-12-17 2013-04-03 南充市营渔水产科技有限公司 Intensified artificial breeding method for Australian crayfishes
CN104351106B (en) * 2014-11-27 2016-07-13 苏州苏湘特种水产养殖场 A kind of system improving aquaculture system water quality
CN105660465A (en) * 2016-01-15 2016-06-15 霍山县安绿园农业发展有限公司 Artificial young lobster breeding method
CN106508762A (en) * 2016-10-27 2017-03-22 孔杰昊 Method for indoor recirculating aquaculture of crayfish
CN106719208A (en) * 2017-03-02 2017-05-31 南充市高坪区权舰龙虾养殖专业合作社 A kind of cray shrimp seedling propagation method for paddy field aquaculture

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