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Cross breeding method for Japanese crucian carp and cyprinus carpio red

A technology of cross-breeding and white crucian carp, applied in fish farming, application, climate change adaptation, etc., can solve problems such as susceptibility to disease and difficulty in catching, and achieve the effect of large individuals, degraded germplasm, and miscellaneous feeding habits

Inactive Publication Date: 2013-10-02
陈道印
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AI Technical Summary

Problems solved by technology

[0003] Both Japanese white crucian carp and Xingguo red carp are omnivorous fish. Xingguo red carp is an excellent variety artificially bred, with fast growth, good meat quality and strong disease resistance, but it is not easy to catch; High, easy to catch, but prone to disease

Method used

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Embodiment Construction

[0019] A method for hybrid breeding of Japanese white crucian carp and Xingguo red carp, comprising the following steps:

[0020] 1. Selection of broodstock: Select broodstock in autumn and winter. The female parent is the fine Japanese white crucian carp, weighing more than 500 grams, preferably 2-3 years old. The male parent is the national standard Xingguo red carp, 1-3 years old, weighing 1 ~1.5 kg, the scales on the body of the parents must be complete, free from disease and injury.

[0021] 2. Breeding of broodstock: female parent and male parent are stocked in separate ponds, the depth of the female parent's cultivation pond is 1.5-2 meters, the bottom of the pond is flat, no gravel, weeds, wild fish, and there are inlet and drainage systems, stocking broodstock per acre 200-250 kg. During the cultivation period, the water temperature is 20-32°C, the dissolved oxygen is above 5 mg per liter, and the daily feeding amount is 2%-5% of the fish's body weight.

[0022] ...

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PUM

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Abstract

The invention discloses a cross breeding method for Japanese crucian carp and cyprinus carpio red. As proved by experiments, the combination of the Japanese crucian carp (female) and the cyprinus carpio red (male) which are hybridized has high affinity, and a hybridized generation F1 with superior quality can be obtained. The hybridized generation F1 has the excellent characteristics of infertility, omnivory, high growing speed, large size, good meat quality, good taste, high disease resistance and the like, is capable of overcoming certain biological defects of the Japanese crucian carp and the cyprinus carpio red effectively, and has remarkable hybridizing advantages, and the germplasm is difficult to degenerate.

Description

technical field [0001] The invention relates to a hybrid breeding method of Japanese white crucian carp and Xingguo red carp. Background technique [0002] Crucian carp and carp belong to the carp family Cyprinidae, and they belong to the genus Crucian carp and Cyprinus respectively. These two genera are rich in nutrition, widely distributed, strong adaptability, and easy to raise. They are excellent varieties for the development of artificial breeding, and are popular among consumers. and breeders' favor. Due to long-term artificial inbreeding, the growth rate of crucian carp species has slowed down and the germplasm has shown signs of degradation, which restricts the improvement of breeding benefits. In order to overcome these unfavorable factors, people have obtained some hybrid offspring with excellent traits through hybridization, such as Xiangyun crucian carp, heterogeneous gibel crucian carp, and Furong crucian carp. [0003] Both Japanese white crucian carp and Xin...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 陈道印欧阳敏李达马保新陈博
Owner 陈道印
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