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Breeding method of young cherax quadricarinatus

A technology for freshwater lobster and fry, which is applied in fish farming, application, climate change adaptation and other directions, can solve the problems of low seedling breeding rate and insufficient supply, and achieves high hatching rate of shrimp fry, improved survival rate, and significant economic benefits. Effect

Inactive Publication Date: 2018-11-16
湖州本澳农业开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for breeding Australian freshwater lobster seed, which solves the problems of low seedling breeding rate and insufficient supply in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of Australian freshwater lobster seed breeding method comprises the following steps:

[0020] (1) Construction of nursery ponds: choose a nursery pond built in a shady room with controllable temperature, the water temperature in the nursery pond is controlled at 25°C, and a cage is set in the nursery pond, and an upper grid and a lower grid are arranged in the cage. The interval between the upper grid and the lower grid is 15cm, the grid diameter of the upper grid is 1.4mm, and the grid diameter of the lower grid is 0.18mm;

[0021] (2) parental selection: select male shrimp and female shrimp with a shrimp age of more than 7 months, and the weight of the male shrimp reaches more than 75g, and the weight of the female shrimp reaches more than 70g;

[0022] (3) Breeding shrimp pairing: Put the seedling shrimps in proportion to the upper grid in the cage of the nursery pond, and the stocking density is 18 tails / m 2 , the quantity ratio of male and female shrimps in...

Embodiment 2

[0032] A kind of Australian freshwater lobster seed breeding method comprises the following steps:

[0033] (1) Construction of nursery ponds: choose a nursery pond built in a shady room with controllable temperature, the water temperature in the nursery pond is controlled at 30°C, and a cage is set in the nursery pond, and an upper grid and a lower grid are arranged in the cage. The interval between the upper grid and the lower grid is 15cm, the grid diameter of the upper grid is 1.8mm, and the grid diameter of the lower grid is 0.2mm;

[0034] (2) parental selection: select male shrimp and female shrimp with a shrimp age of more than 7 months, and the weight of the male shrimp reaches more than 75g, and the weight of the female shrimp reaches more than 70g;

[0035] (3) Breeding shrimp pairing: Put the seedling shrimps in proportion to the upper grid in the cage of the nursery pond, and the stocking density is 18 tails / m 2 , the quantity ratio of male and female shrimps in ...

Embodiment 3

[0045] A kind of Australian freshwater lobster seed breeding method comprises the following steps:

[0046] (1) Construction of nursery ponds: choose a nursery pond built in a shady room with controllable temperature, the water temperature in the nursery pond is controlled at 28°C, and a cage is set in the nursery pond, and an upper grid and a lower grid are arranged in the cage. The interval between the upper grid and the lower grid is 10cm, the grid diameter of the upper grid is 1.5mm, and the grid diameter of the lower grid is 0.15mm;

[0047] (2) parental selection: select male shrimp and female shrimp with a shrimp age of more than 7 months, and the weight of the male shrimp reaches more than 75g, and the weight of the female shrimp reaches more than 70g;

[0048] (3) Breeding shrimp pairing: put the seedling shrimps in proportion to the upper grid in the cage of the nursery pond, and the stocking density is 16 tails / m 2 , the quantity ratio of male and female shrimps in...

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Abstract

The invention discloses a breeding method of young cherax quadricarinatus. The method comprises the following steps of 1, construction of a young cherax quadricarinatus breeding pond; 2, parent selection; 3, mating of breeding cherax quadricarinatus; 4, breeding of fertilized eggs; 5, breeding of young cherax quadricarinatus. By means of the breeding method of young cherax quadricarinatus, an optimal cherax quadricarinatus egg breeding environment is selected, the oogenesis rate of female cherax quadricarinatus is high, the hatching rate of young cherax quadricarinatus is high, the hatching quantity of young cherax quadricarinatus for single female cherax quadricarinatus reaches 200-300 at a time, young cherax quadricarinatus is reasonably fed, and the yield of young cherax quadricarinatusis effectively increased; meanwhile, a net cage device is arranged in the young cherax quadricarinatus breeding pond, the situation that parents eat young cherax quadricarinatus is effectively prevented, the survival rate of young cherax quadricarinatus is increased, and the economic benefit is obvious.

Description

Technical field: [0001] The invention relates to the technical field of shrimp seed breeding, in particular to a breeding method for Australian freshwater lobster seed. Background technique: [0002] Australian freshwater lobster is a low-living omnivorous animal. It likes to eat animal bait, such as aquatic insect larvae, animal carcasses, earthworms, etc. It also eats a small amount of water and tender grass, and adapts to artificial feed. It likes a quiet and hidden environment. During the breeding period of Australian freshwater lobster seedlings, parents are prone to cannibalism of seedlings, so the seedling breeding rate is low. In recent years, with the rapid development of intensive and high-density shrimp farming in my country, the breeding rate of seedlings is low and the problem of insufficient supply has become increasingly serious, which has become a limiting factor for the sustainable development of Australian freshwater lobster farming. Invention content: ...

Claims

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Application Information

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IPC IPC(8): A01K61/59
CPCA01K61/59Y02A40/81
Inventor 杨新权
Owner 湖州本澳农业开发有限公司
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