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Method for increasing crayfish fry transportation survival rate

A technology for seed transportation and survival rate, which is applied in the field of improving the survival rate of crayfish seed transportation, can solve the problems of low seed survival rate and can not meet production development, etc., achieves the improvement of survival rate, promotes shrimp shell hardening, and facilitates transportation. Effect

Inactive Publication Date: 2020-10-13
和县明信水产养殖专业合作社
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Problems solved by technology

Crayfish paddy farming has developed rapidly, and crayfish seed breeding in paddy fields has made some progress, but the seed has become the bottleneck of the crayfish farming industry. Due to the biological characteristics of crayfish seed, the survival rate of the seed is very low after long-distance transportation. , far from meeting the needs of production development; therefore, there is an urgent need for a method to improve the survival rate of crayfish seed transportation

Method used

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  • Method for increasing crayfish fry transportation survival rate
  • Method for increasing crayfish fry transportation survival rate
  • Method for increasing crayfish fry transportation survival rate

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Embodiment 1

[0037] see Figure 1-2 , a method for improving the survival rate of crayfish fry transportation, comprising the following steps:

[0038] S101: Shrimp molting, cultivated in the state of micro-flowing water in the paddy field, after improving the quality of the crayfish seedlings, monitor the time, duration, food intake, water quality and temperature of the crayfish seedlings to surface at all times, and select the crayfish seedlings to be active , when the time, duration, food intake, and water quality of the paddy field were normal, and the water temperature in the paddy field was controlled at 22°C, electrical stimulation was performed three times in the morning or evening. The interval between two electrical stimulations is 12 minutes, so that the crayfish seedlings moult intensively, and the moulting rate of crayfish seedlings reaches 98%;

[0039]S102: Harden the shrimp shells, increase the temperature of shallow water in spring, add ionized calcium and hard shell trea...

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Abstract

The invention discloses a method for increasing crayfish fry transportation survival rate, and belongs to the technical field of crayfish fry transportation; the method comprises the following steps:S101, cultivating crayfish fries in a paddy field in a micro-running water state, and improving the quality of the crayfish fries; S102, raising the temperature with shallow water in spring to promotehardening of shrimp shells of the crayfish fries; S103, setting a crayfish fry screening device, and screening out strong crayfish fries; S104, carrying out seamless connecting on the young fries from the rice field to a fry containing basket; S105, enabling the crayfish fries to be transported and washed, wherein after the crayfish fries enter the basket, the crayfish fries are washed with wellwater and field water in a mixed mode; and S106, spraying on the way: regularly mixing tap water, well water and field water to spray the crayfish fry during transportation. Through cultivation in a micro-running water state, crayfish fries are stimulated to intensively shell in advance, hardening of the crayfish fries is promoted, and the quality and the compression resistance of the crayfish fries are improved; and young crayfishes with strong physique are selected for moisturizing transportation so as to achieve the purpose of improving the survival rate of crayfishes in transportation, andthe crayfishes are promoted to be cultured in different places.

Description

technical field [0001] The invention relates to the technical field of crayfish seed transportation, in particular to a method for improving the survival rate of crayfish seed transportation. Background technique [0002] Procambarus clarkii belongs to Arthrophyta, Shrimp shell class, Crayfish family, Procambarus genus, also known as crayfish. It is loved by people and is the main species of shrimp farming at present. In recent years, due to the sharp increase in market demand, the natural resources of crayfish have decreased sharply, and the price has gradually increased. Therefore, artificial scientific breeding is used to meet market demand. Crayfish paddy farming has developed rapidly, and crayfish seed breeding in paddy fields has made some progress, but the seed has become the bottleneck of the crayfish farming industry. Due to the biological characteristics of crayfish seed, the survival rate of the seed is very low after long-distance transportation. , far from mee...

Claims

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Application Information

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IPC IPC(8): A01K61/59
CPCA01K61/59Y02A40/81
Inventor 奚业文朱祖荣陈虎王如峰
Owner 和县明信水产养殖专业合作社
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