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Method for breeding crayfish

A technology for lobsters and breeding ponds, applied in the field of crayfish farming, can solve the problems of reducing economic benefits, crayfish are susceptible to diseases, crayfish production cannot be effectively improved, etc., and achieve the effect of improving resistance and improving survival rate

Inactive Publication Date: 2018-05-25
钦州市钦州港国鸿水产养殖专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, crayfish farming is developing rapidly in our country, but during the growth process of crayfish, crayfish are easily infected with diseases, resulting in the inability to effectively increase the production of crayfish, while reducing economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 1) Selection of breeding pond: choose a pond with a depth of 1.5m as the breeding pond, and set up anti-escape nets at the water inlet, water outlet and surrounding areas;

[0019] 2) Disinfection treatment: Disinfect the culture pond with lime water;

[0020] 3) Cultivating water: After the breeding pond is filled with water, put organic fertilizer (composition of pig manure and peanut bran in a weight ratio of 1:1) into the pond, and the amount of feeding is 20kg / 100m 3 Water body, fertilizer and water for 10 days;

[0021] 4) Transplanting aquatic plants: transplanting aquatic plants into the breeding pond, planting snapdragons at the bottom of the water, planting water hyacinths on the water surface, and controlling the coverage rate of aquatic plants to 40%;

[0022] 5) Putting in shrimp seedlings: 3 days before the shrimp seedlings are put in, first put in snails in an amount of 30kg / mu, and put in snails in an amount of 60kg / mu; then put in shrimp seedlings at a...

Embodiment 2

[0030] 1) Selection of breeding pond: select a pond with a depth of 1m as the breeding pond, and set up anti-escape nets at the water inlet, water outlet and surroundings;

[0031] 2) Disinfection treatment: Disinfect the culture pond with lime water;

[0032] 3) Cultivating water: After the breeding pond is filled with water, put organic fertilizer (pig manure) into the pond, and the amount of throwing in is 30kg / 100m 3 Water body, fertilizer and water for 5 days;

[0033] 4) Transplanting aquatic plants: Transplanting aquatic plants into the breeding pond, planting snapdragons on the bottom of the water, planting water hyacinth on the water surface, and controlling the coverage rate of aquatic plants to 45%;

[0034] 5) Shrimp seedlings are put in: 2 days before the seedlings are put in, the snails are put in at an amount of 25kg / mu, and the snails are put in at an amount of 50kg / mu; then the seedlings are put in at a density of 100,000 / mu;

[0035] 6) Feed feeding: take c...

Embodiment 3

[0037] 1) Selection of breeding pond: select a pond with a depth of 2m as the breeding pond, and set up anti-escape nets at the water inlet, water outlet and surroundings;

[0038] 2) Disinfection treatment: Disinfect the culture pond with lime water;

[0039] 3) Cultivate water: After the breeding pond is filled with water, put organic fertilizer (peanut bran) into the pond, and the amount of throwing in is 25kg / 100m 3 Water body, fertilizer and water for 8 days;

[0040] 4) Transplanting aquatic plants: Transplanting aquatic plants into the breeding pond, planting snapdragons on the bottom of the water, planting water hyacinth on the water surface, and controlling the coverage rate of aquatic plants to 42%;

[0041] 5) Putting in shrimp seedlings: 1 day before the shrimp seedlings are put in, first put in snails in an amount of 20kg / mu, and put in snails in an amount of 100kg / mu; then put in shrimp seedlings at a density of 120,000 tails / mu;

[0042] 6) Feed feeding: with ...

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PUM

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Abstract

The invention discloses a method for breeding crayfish. The method comprises the following steps: 1) selection of a culture pond; 2) disinfection treatment; 3) water culture; 4) transplantation of aquatic plants; 5) release of shrimp seeds: In 1-3 d before the shrimp seeds are released, first pistia stratiotes is released at the rate of 20-30 kg / mu, and snails should be released at the rate of 50-100 kg / mu; then the shrimp seeds are released at the density of 100000 to 120000 / mu; 6) feed feeding: the crayfish feed is used as feed for feeding; the daily feed feeding amount was 10-20% the totalquantity of crayfish, and the feed is fed three times in the morning, noon and late nights; in the feeding process, a Chinese herb decoction is administered once a month, the dosage is 10-20 kg / mu, and the Chinese herb decoction is obtained by adding water and decocting radix astragali, radix codcnopsitis pilosulas, rhizoma Atractylodis, polyporus umbellatus and radix glycyrrhizae by specific ratio. The method can effectively improve the survival rate of crayfish.

Description

technical field [0001] The invention relates to an aquaculture method, in particular to a method for cultivating crayfish. Background technique [0002] Freshwater crayfish is delicious and nutritious. It is a high-protein, low-fat and high-energy, nutritious health food. It is a worldwide edible shrimp and has become an important food source for European people in the 18th century. The history of eating freshwater crayfish in my country began in the 1960s. With consumers' awareness of freshwater crayfish and the extensive media promotion, freshwater crayfish food has generally entered restaurants, hotels, supermarkets and family dining tables. [0003] At present, crayfish farming is developing rapidly in my country, but during the growth process of crayfish, crayfish are susceptible to diseases, resulting in the inability to effectively increase the production of crayfish and reduce economic benefits. Contents of the invention [0004] The technical problem to be solved...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A23K50/80A23K10/30A23K10/22
CPCA01K61/59A23K10/22A23K10/30A23K50/80Y02A40/81Y02A40/818
Inventor 李全
Owner 钦州市钦州港国鸿水产养殖专业合作社
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