Breeding method of Procypris merus
A technology of carp and grass carp, which is applied in the field of fish farming, can solve the problems of the germplasm degradation of the grass carp variety, and achieve the effects of improving production capacity, maintaining stable species, and continuing production capacity
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[0018] Below in conjunction with embodiment the present invention is described in further detail:
[0019] A kind of method for breeding and breeding of carp, comprising the following steps:
[0020] A. Prepare broodstock
[0021] a. Source of broodstock: The original broodstock of Shanghehua carp was purchased from the traditional rice field fish farming area, carefully selected and cultivated manually;
[0022] b. Selection of parent fish: The age of parent fish is in the range of 2 to 5 years old, and the weight is more than 300 grams. It is required to be strong, plump, active, and free of disability lesions;
[0023] c. Male and female identification:
[0024] 1) Non-reproductive season: females are large, with a large and soft abdomen, and a large and prominent cloaca; males are obviously smaller in the same batch of fish, with a narrow and slightly hard abdomen, and a small and slightly inward cloaca concave;
[0025] 2) Reproductive season: Females have no pectoral...
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