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Total artificial batch breeding method of striped bass

A batch and artificial technology, applied in fish farming, application, climate change adaptation, etc., can solve problems such as low fertilization rate, hatching rate and low survival rate of seedlings

Inactive Publication Date: 2013-07-17
QUANZHOU CHANGSHENG FISHERY
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  • Summary
  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In order to overcome the above-mentioned deficiencies existing in the prior art, the object of the present invention is to provide a kind of method of full-artificial batch rearing striped perch, to solve the problems of fertilization rate, hatching rate and seedling survival rate in the production of striped perch artificial breeding. Low problem, providing technical support for artificial large-scale breeding of striped bass

Method used

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Experimental program
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Embodiment 1

[0022] 1) Broodstock cultivation conditions: 3-5 mu of earthen ponds are used for broodstock cultivation ponds. At the beginning of April every year or about 5 days before the induction of labor, disinfect with a dry pond of quicklime with a concentration of 100kg / 667㎡; fill with water after splashing for 2 days, the water depth is greater than 1.5m, and stock broodstock or reserve broodstock after 7 days of soaking, 200-300 / 667 ㎡, the ratio of male to female is 1:1-2.

[0023] 2) Broodstock breeding: During broodstock breeding, feed homemade soft pellet feed containing about 35% crude protein, 1-2 times a day, that is, 7:30-8:30, 16:00-17:00, each time The amount is 1%-2% of the total weight of the fish; under normal circumstances, the water is changed 2-3 times a month, and the water is changed about 10cm each time; 30-60 days before the induction of labor, flush the water for 2-3 hours a day to promote Gonadal development of the parent.

[0024] 3) Artificial induction of labo...

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Abstract

The invention discloses a total artificial batch breeding method of striped bass. The method comprises the following steps of: after the parent fishes or the standby parent fishes are bred intensively to mature, performing artificial propagation by using an oxytocic, and then performing artificial incubation, fry breeding pool preparation, primary breeding and secondary breeding so that all the fries have the full length being more than 2.0 cm; and then, continuously throwing bait to the fry pool until the fishes grows big. The total artificial batch breeding method of striped bass improves fertility rate and hatchability, and also improves the fry breeding survival rate and increases the annual fry breeding quantity; in addition, the total artificial breeding effect is obviously improved and the annular fry breeding quantity reaches a large-scale breeding level.

Description

[0001] technical field [0002] The invention relates to the technical field of fish artificial breeding, in particular to a method for fully artificial batch breeding striped bass. [0003] Background technique [0004] Striped perch has tender meat, no intermuscular spines, rich nutrition, wide temperature, wide salt, fast growth and other characteristics, suitable for intensive farming. It is of great significance to solve the artificial batch breeding technology of striped perch, carry out large-scale nursery production and breeding demonstration of striped perch, and provide a large number of high-quality seedlings and technical guarantee for the further promotion and breeding of striped perch, which is of great significance to improve the economic benefits of breeding. [0005] my country's Guangdong, Fujian and other provinces and cities have successively introduced striped perch for trial breeding, and have broken through the artificial breeding technology successiv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 董朝基黄种持陈启春
Owner QUANZHOU CHANGSHENG FISHERY
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