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Breeding method capable of reducing case fatality rate of red swamp crayfishes

The technology of a freshwater lobster and a breeding method is applied in the breeding field of reducing the mortality rate of freshwater lobster, which can solve the problems of high mortality rate and single nutrition of freshwater lobster, and achieve the effects of improving bait utilization rate, high viscosity, and easy availability of raw materials

Inactive Publication Date: 2018-12-04
安徽涂远农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the breeding process of freshwater lobster, there are technical problems of single nutrition and high mortality rate of freshwater lobster, which need to be solved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of culture method that reduces freshwater lobster fatality rate, comprises the following steps: select the pond with abundant water source, no silt, set the heat preservation shed above the pond, drain the water in the pond, expose to the sun for 4 days to obtain the vacant pond; Release water, plant aquatic plants after disinfection, and the coverage area of ​​aquatic plants accounts for 32% of the pond area, and a cultivation pond is obtained; select 0.5-1.1cm freshwater lobster seedlings and put them into the cultivation pond, and the amount of stocking is 18,000 / 667m 2 ; Feeding special feed for freshwater lobsters, the daily dosage is 40% of the weight of freshwater lobsters; during the feeding period, change the water every 4-6 days until the freshwater lobsters mature.

[0020] The raw materials of freshwater lobster special feed include: red worm powder 24kg, locust powder 12kg, corn meal 10kg, peanut protein powder 45kg, sunflower seed meal 10kg, skimmed ...

Embodiment 2

[0023] A cultivation method for reducing the mortality rate of freshwater lobsters, comprising the steps of: selecting a pond with sufficient water source and no silt, setting a thermal insulation shed above the pond, draining the water in the pond, and exposing to the sun for 6 days to obtain an empty pond; Release water, plant aquatic plants after disinfection, and the coverage area of ​​aquatic plants accounts for 25% of the pond area, and a cultivation pond is obtained; select 0.5-1.1cm freshwater lobster seedlings and put them into the cultivation pond, and the amount of stocking is 20,000 / 667m 2 ; Feeding special feed for freshwater lobsters, the daily dosage is 25% of the weight of freshwater lobsters; during the feeding period, change the water every 4-6 days until the freshwater lobsters mature.

[0024] The raw materials of freshwater lobster special feed include: red worm powder 35kg, locust powder 4kg, corn meal 18kg, peanut protein powder 25kg, sunflower seed meal ...

Embodiment 3

[0027] A kind of culture method that reduces freshwater lobster fatality rate comprises the following steps: select the pond with sufficient water source, no silt, arrange the thermal insulation shed above the pond, drain the water in the pond, and expose to the sun for 5 days to obtain the empty pond; Release water, plant aquatic plants after disinfection, and the coverage area of ​​aquatic plants accounts for 26% of the pond area, and a cultivation pond is obtained; select 0.5-1.1cm freshwater lobster seedlings and put them into the cultivation pond, and the amount of stocking is 19,500 / 667m 2 ; Feeding special feed for freshwater lobsters, the daily dosage is 30% of the weight of freshwater lobsters; during the feeding period, change the water every 4-6 days until the freshwater lobsters mature.

[0028] The raw materials of freshwater lobster special feed include: red worm powder 28kg, locust powder 10kg, corn meal 12kg, peanut protein powder 40kg, sunflower seed meal 14kg,...

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Abstract

The invention discloses a breeding method capable of reducing a case fatality rate of red swamp crayfishes. The method comprises the following steps: selecting a pond with a sufficient water source and no sludge, arranging a heat preservation shed above the pond, draining water in the pond, and performing solarization to obtain a vacant pond; pouring water into the vacant pond, performing disinfection, and planting aquatic plants to obtain a cultivation pond; selecting young red swamp crayfishes with 0.5-1.1 cm, and throwing the selected young red swamp crayfishes into the cultivation pond; performing feeding by feed specially used for the red swamp crayfishes; and changing water every 4-6 days during feeding until the red swamp crayfishes are mature, wherein the feed specially used for the red swamp crayfishes comprises the following raw materials in parts by weight: 24-35 parts of daphnia powder, 4-12 parts of locust powder, 10-18 parts of corn meal, 25-45 parts of peanut protein powder, 10-24 parts of sunflower seed meal, 12-20 parts of skim milk powder, 12-22 parts of houttuynia cordata, 1-4 parts of cortex phellodendri, 1-4 parts of broussonetia papyrifera powder, 0.01-0.02 part of selenium-enriched yeast, 0.01-0.02 part of cellulase, and 1-3 parts of a bean flour complex.

Description

technical field [0001] The invention relates to the technical field of freshwater lobster cultivation, in particular to a cultivation method for reducing the mortality rate of freshwater lobster. Background technique [0002] Freshwater lobster, commonly known as freshwater lobster, belongs to the freshwater lobster family Arthropoda Decapodidae. It has a thick head and chest, a hard shell, and delicious meat. It is a nutritional and nourishing food with low fat, low cholesterol and high protein. Freshwater lobster not only has a large body and plump meat, but also has the characteristics of short growth cycle, high yield, and strong adaptability to miscellaneous food, which is especially suitable for artificial commercial farming. There are technical problems such as single nutrition and high mortality rate of freshwater lobster in the cultivation process of freshwater lobster, which need to be solved urgently. Contents of the invention [0003] Based on the technical pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/59A23K50/80A23K10/20A23K10/37A23K20/147A23K10/30A23K20/20A23K10/16A23K20/189A23K20/142A23K10/18A23K20/158A23K20/28A23K20/163
CPCA01K61/59A23K10/16A23K10/18A23K10/20A23K10/30A23K10/37A23K20/142A23K20/147A23K20/158A23K20/163A23K20/189A23K20/28A23K20/30A23K50/80Y02A40/81Y02A40/818Y02P60/87
Inventor 赵其瑞
Owner 安徽涂远农业有限公司
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