Artificial hybridization breeding method for epinephelus fuscoguttatus and epinephelus polyphekadion
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A brown-spotted grouper, artificial hybridization technology, applied in fish farming, application, climate change adaptation, etc., to achieve the effect of low fertilization rate, high fertilization rate, and high cost performance
Active Publication Date: 2016-05-04
HAINAN CHENHAI AQUATIC CO LTD
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[0041] The conception and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention.
[0042] A method for artificial crossbreeding of brown-spotted grouper and clear-water grouper, comprising the following steps:
[0043] (1) Parent selection
[0044]a. Female parent: choose a healthy brown-spotted grouper over 5 years old, with normal body shape, no disease, and strong vitality as the female parent;
[0045] b. Male parent: choose healthy clear water grouper with more than 5 years old, normal body shape, no disease an...
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Abstract
The invention discloses an artificial hybridization breeding method for epinephelus fuscoguttatus and epinephelus polyphekadion. The method comprises the steps of (1) choice of parents, (2) cultivation of the parents, (3) check and judgment of the gonad development degree of parent fishes, (4) artificial fertilization, (5) incubation of zygotes and (6) packing and transporting of the zygotes. Through the method, intergeneric hybridization of epinephelus fuscoguttatus and epinephelus polyphekadion is realized, first filial generation fish fry with characteristics of two parents is obtained and used for subsequent artificial breeding, and the cultivated hybrid fishes are good in breeding property, delicious in flesh and high in cost performance, and a new variety is provided for all fry varieties of fishes.
Description
technical field [0001] The invention relates to the technical field of aquaculture, in particular to an artificial hybrid breeding method of brown-spotted grouper and clear-water grouper. Background technique [0002] Brown-spotted grouper (scientific name: Epinephelus fuscoguttatus), belonging to the order Perciformes, Scorpidae, and the genus Grouper, also known as tiger spot and brown-spotted grouper, is distributed in the Red Sea, the Indian Ocean, the east coast of Africa to the Pacific Ocean, Polynesia, and North Ryukyu Archipelago, south to Australia, Taiwan Island, South China Sea Islands, Penghu Islands and other sea areas, etc., the habitat depth is 1-60 meters, and the body length can reach 120 cm. It belongs to warm water nearshore and coral reef fish. lagoon. Carnivorous, feeds on fish, cephalopods, and crustaceans, and can be used as food fish, farmed fish, and ornamental fish. Brown-spotted grouper eats ferociously and grows fast, so it is widely used in aqu...
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