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Artificial propagation method for yellow-shell fishes

A technology for artificial reproduction and yellow shell fish, applied in the field of fish farming, can solve the problems of difficulty in large-scale farming and low survival rate of farming, and achieve the effects of improving reproductive ability, well-developed gonads, and strong physique

Active Publication Date: 2021-08-24
镇康县水产技术推广站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The invention provides an artificial propagation method for yellow-shell fish, which solves the problem that most farmers need to catch wild yellow-shell fish from the wild for breeding, and the survival rate of breeding is low, making it difficult to breed on a large scale

Method used

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  • Artificial propagation method for yellow-shell fishes

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Effect test

Embodiment 1

[0063] A method for artificial reproduction of yellow shell fish, comprising the following steps:

[0064] 1. Broodstock selection;

[0065] In February of each year, 300 artificially domesticated, strong and well-developed female fish are selected, each weighing 2 jin, and the fish age is over 4 years old; 900 male fish, each 0.5 jin, and the fish age is over 1 year old. Broodstock cultivation pond cultivation, the cultivation pond area is 1 mu;

[0066] 2. Broodstock feeding;

[0067] Mainly feed wheat and barley malt, and feed various vegetables, fresh fish and shrimp to increase its plant and animal protein. No artificial compound feed is fed. The feeding times are up to 3 times, and the feeding time is: 7:00 to 8:00 in the morning , 11:00 to 12:00 noon, 15:00 to 16:00, 19:00 to 20:00 in the afternoon, the feeding amount reaches 80% full, and the feeding time is one month;

[0068] 3. Establish an oxytocin incubation workshop;

[0069] 1). One workshop with an area of ...

Embodiment 2

[0119] A method for artificial reproduction of yellow shell fish, comprising the following steps:

[0120] 2. Broodstock selection;

[0121] In February of each year, select 300 artificially domesticated healthy and well-developed female fish, each weighing 4 kg, and the fish age is over 4 years old; 900 male fish, each weighing 1 kg, and the fish age is over 1 age, and put them Broodstock cultivation pond cultivation, the cultivation pond area is 2 mu;

[0122] 2. Broodstock feeding;

[0123] Mainly feed wheat and barley malt, and feed various vegetables, fresh fish and shrimp to increase its plant and animal protein. No artificial compound feed is fed. The feeding times are up to 4 times, and the feeding time is: 7:00 to 8:00 in the morning , 11:00 to 12:00 noon, 15:00 to 16:00, 19:00 to 20:00 in the afternoon, the feeding amount reaches 80% full, and the feeding days are one month;

[0124] 3. Establish an oxytocin incubation workshop;

[0125] 1). One workshop with an ...

Embodiment 3

[0175] A method for artificial reproduction of yellow shell fish, comprising the following steps:

[0176] 1. Broodstock selection;

[0177] In February of each year, 300 domesticated female fish with strong physique and well-developed body are selected, each weighing 6 kg, and the age of the fish is over 4 years old; Enter the parent fish breeding pond for cultivation, and the cultivation pond area is 3 mu;

[0178] 2. Broodstock feeding;

[0179] Mainly feed wheat and barley malt, and feed various vegetables, fresh fish and shrimp to increase its plant and animal protein. No artificial compound feed is fed. The number of feedings reaches 5 times, and the feeding time is: 7:00 to 8:00 in the morning , 11:00 to 12:00 noon, 15:00 to 16:00, 19:00 to 20:00 in the afternoon, the feeding amount reaches 80% full, and the feeding time is one month;

[0180] 3. Establish an oxytocin incubation workshop;

[0181] 1). One workshop with an area of ​​400 square meters;

[0182] 2). Thr...

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Abstract

The invention discloses an artificial propagation method for yellow-shell fishes, and relates to the field of fish culture. The artificial propagation method for the yellow-shell fishes comprises seven steps of parent fish selection, parent fish feeding, establishment of an induced spawning and hatching workshop, artificial induced spawning, artificial fertilization, artificial hatching and seedling management. According to the artificial propagation method for the yellow-shell fishes, the wheat and barley malt are fed to increase the development degree of gonads of the yellow-shell fishes and improve the reproductive capacity of the yellow-shell fishes, parent fish is covered with a black net after being injected with spawning induction medicine, in addition, due to flushing stimulation of water, the negative influence of external light on the parent fish is relieved, the effect of hormone can be stimulated to give full play in the parent fish, and the spawning induction effect is improved; the air temperature and the water temperature are accurately controlled in the spawning induction process, the strict requirement for the temperature in the yellow-shell fish breeding production process is met, the details such as the needle inserting depth for injecting spawning induction medicine are accurately controlled, and the method is scientific, efficient, practical, easy to operate and beneficial to application and popularization.

Description

technical field [0001] The invention relates to the technical field of fish breeding, in particular to an artificial breeding method for yellow shellfish. Background technique [0002] Yellow-shell fish, a kind of therapeutic fish on the border between China and Myanmar, is scientifically called four-bearded barb. It is a unique wild indigenous fish species in the Nanpeng River Basin of the Nujiang River System in Zhenkang County, Lincang City, Yunnan Province. This fish has a beautiful appearance and is an ornamental The value is high; the meat is tender, the taste is good, the nutrition is rich, and the taste is delicious. Genetic characteristics such as good quality and medicinal function have high breeding value. Therefore, in recent years, more and more farmers have begun to cultivate yellow-shell fish artificially. However, yellow-shell fish has relatively high requirements on water quality and temperature. The fish itself is affected by various natural conditions an...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/13A01K61/17
CPCA01K61/10A01K61/13A01K61/17Y02A40/81
Inventor 鲁开勇于宗玉罗荣杨学荣
Owner 镇康县水产技术推广站
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