Artificial propagation method of Odontobutis obscura

Abstract

The invention relates to an artificial propagation method of Odontobutis obscura, belonging to the technical filed of artificial fish breeding, and comprising the following steps: parent fish selection; parent fish breeding; artificial insemination; germ cell delamination; artifical incubation; and fry breeding. The technical scheme provided by the invention solves the technical problem that the germ cell of the Odontobutis obscura is easy to mildew and rot, can ensure the fertility rate and rate of hatchability which are respectively over 66% and over 26%. The invention has simple operation, is not rigour, has wide applicability and can meet the requirement of industrialization breed in batch.

Description

technical field

[0001] The invention belongs to the technical field of fish artificial propagation, and in particular relates to an artificial propagation method of snakehead. Background technique

[0002] Odontobutis obscurus (English: Odontobutis obscurus), also known as Odontobutis obscurus, belongs to the order Perciformes, Odontobutis obscurus, and Odontobutis obscurus. Common names: Black Grass Bun, Grass Po Fish, Tubu Fish, Pond Channa, Tucai Fish, Tuhanba, etc. In my country, it is mainly distributed in the middle and lower reaches of the Yangtze River and its tributaries, the Qiantang River system and the Minjiang River system and other vast areas. Although the individual of sand pond snakehead is small, it has the characteristics of high meat content, few spines, tender and delicious meat and rich nutrition. Every 100 grams of channa meat contains 18.39g of protein, 0.98g of fat, 0.42g of calcium, phosphorus, iron and vitamins. The essential amino acids and umam...