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Cross breeding method for eleotris oxycephala and oxyeleotris marmoratus

A technology of cloud-spotted pond snakehead and pointed-headed pond snakehead, which is applied in fish farming, application, climate change adaptation and other directions, can solve problems such as methods of hybrid breeding that have not been seen before, and achieve the effect of improving breeding performance

Active Publication Date: 2015-11-25
珠海市斗门区添源果牧有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no method for cross-breeding of Channa chinensis and Channa japonica

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Follow the steps below to carry out crossbreeding of Channa japonica and Channa japonica:

[0037] 1) Selection of broodstock

[0038] Select Channa cuspidatum over 1 year old, weighing 50-150g, and in the mature stage of gonad development, and Channa japonica, 2-3 years old, weighing more than 500g, and in the mature stage of gonad development, as the hybrid breeding parents;

[0039] 2) Intensive breeding of broodstock

[0040] The broodstock of Channa cuspidatum and Channa japonica are cultivated in separate ponds, and 3,000-4,000 kg of live feed fish is given to every 10,000 broodstock at one time, and then 1,500-2,000 kg per 10,000 broodstock are supplemented every 15 days;

[0041] 3) Male and female identification and sex ratio of broodstock

[0042] In the breeding season, identify the sex of the broodstock. The abdomen of the female fish is swollen, the outline of the ovary is obvious, the end of the genital process is round and blunt, fan-shaped, light red, ...

Embodiment 2

[0056] Follow the steps below to carry out crossbreeding of Channa japonica and Channa japonica:

[0057] 1) Selection of broodstock

[0058] Select the Channa cuspidatum over 1 year old, weighing 50-150g, healthy, healthy, healthy, and in the mature stage of gonad development, and 2-3 years old, weighing more than 500g, healthy, healthy, healthy, and in the gonadal stage. The mature stage of Channa chinensis is used as the parent of hybrid breeding; Channa chinensis has dark brown longitudinal stripes on the side of the body, clear dark brown wide horizontal bands on the upper side of the body and the back of the body, and two dark brown longitudinal plaques at the base of the pectoral fin Obviously, there are dark brown stripes on the dorsal and anal fins, and dark brown thin horizontal stripes on the pectoral, pelvic, and caudal fins; the body color of Channa japonica is yellowish brown, with clear brown spots on the side of the body, and light yellow belly;

[0059] 2) In...

Embodiment 3

[0076] Follow the steps below to carry out crossbreeding of Channa japonica and Channa japonica:

[0077] 1) Selection of broodstock

[0078] Select the Channa cuspidatum over 1 year old, weighing 50-150g, healthy, healthy, healthy, and in the mature stage of gonad development, and 2-3 years old, weighing more than 500g, healthy, healthy, healthy, and in the gonadal stage. The mature stage of Channa chinensis is used as the parent of hybrid breeding; Channa chinensis has dark brown longitudinal stripes on the side of the body, clear dark brown wide horizontal bands on the upper side of the body and the back of the body, and two dark brown longitudinal plaques at the base of the pectoral fin Obviously, there are dark brown stripes on the dorsal and anal fins, and dark brown thin horizontal stripes on the pectoral, pelvic, and caudal fins; the body color of Channa japonica is yellowish brown, with clear brown spots on the side of the body, and light yellow belly;

[0079] 2) In...

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PUM

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Abstract

The invention belongs to the technical field of aquatic livestock cross breeding and particularly relates to a cross breeding method for fish of different categories of eleotris oxycephala and oxyeleotris marmoratus. The cross breeding method comprises the steps of selecting of parent fish, intensified breeding of the parent fish, sex discriminating and the sex ratio of the parent fish, artificial induced spawning and inseminating, incubating of fertilized eggs, breeding of fry of 1.2 cm, breeding of fry of the specification of 3 cm, breeding of the fry, breeding of commercial fish and the like. According to the cross breeding method, the artificial control measure is adopted, wide cross is carried out by selecting eleotris oxycephala female parents and oxyeleotris marmoratus male parents, the growth rate and the breeding performance of eleotris oxycephala coeno-species are improved through the cross breeding advantages, the cross-bred filial generation has the advantages of being good in body color, high in growing speed and high in temperature adaptability, and an effective way and the technological support are provided for the large-scale and industrialization development of the cultured eletridae fish new species.

Description

Technical field [0001] The present invention involves a method of remote breeding of fish, especially the hybrid breeding method of different fish in pointed ponds and cloud spots, and belongs to the field of hybrid breeding technology of aquatic animal animals. Background technique [0002] Eleotrisoxycephala belongs to Perciformes, Gobioidei, Eleotridae, Eleotris, common names for blackshoot shells, what are the names of the blackshooter shells, whatBamboo shell and black brother are a relatively precious freshwater economy fish.In mainland my country, it is mainly distributed in Shanghai, Jiangsu, Zhejiang, Fujian, Guangdong, Guangxi, Hainan, etc., which belongs to warm water.Polygonum ponds are small, 1-age weight is generally 15-50 grams / tail, and weighing more than 250 grams is extremely rare, but the meat quality is good, the market price is high, and the specifications of 150g / tail reached 140 yuan / kg, which is deeply consumers from consumers from the consumerFavorite.How...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCA01K61/00Y02A40/81
Inventor 罗俊标骆明飞
Owner 珠海市斗门区添源果牧有限公司
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