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Artificial propagation method for veraspei moseri

A technology for artificial breeding and stingray flounder, which is applied in fish farming, medical science, climate change adaptation, etc. to prevent infection, improve hatching rate, and reduce energy consumption.

Inactive Publication Date: 2007-10-17
莱州明波水产有限公司
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a method for artificial reproduction of spotted star flounder broodstock. The technical problem to be solved is: through the technical means of parent fish gonad development regulation, artificial egg squeezing, frozen semen, and artificial insemination, the fertilization rate of spotted star flounder can be improved. Egg hatchability and quality

Method used

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with specific examples.

[0018] 1. Regulation technology of broodstock gonad development:

[0019] The broodstock breeding tank is a quadrangular 40 cubic meter cement pond with a depth of 1.2 meters and a water depth of 1 meter. Feeds that are more active in feeding include frozen shrimp, small miscellaneous fish, and frozen small shrimp. Nutritional strengthening feeding is started from October to November before the spawning period, and the food intake reaches 4% of the body weight.

[0020] The three-year-old broodstock of the spotted flounder that has been carefully cultivated is mixed in a cement tank at a ratio of 2:1 male and female. After a period of adaptation, refer to the basic laws of gonad development and related biological characteristics of the fish in natural sea areas. , we have developed a unique set of temperature control and light control methods that are different from other fla...

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Abstract

The present invention relates to an artificial propagation method for veraspei moseri. Its characteristic is to process microscopy examination by artificial taking semen method during October to November, if male fish has been developmental maturation and the quality of semen are good, taking the developmental maturation semen to preserve into liquid nitrogen; each December starting temperature control, to next March early starting rising temperature to 8 DEG C with the rate of 1 DEG every ten days; selecting good gonadal developmental veraspei moseri to process artificial insemination by extruding eggs dried method, mixing the eggs together with extruding semen and freezing semen, injecting sea water to fertilize, the fertilized eggs are put into net cage of hatching tank or hatching pond to manage. The hatching rate is 64 percent to 75 percent generally.

Description

technical field [0001] The invention relates to an artificial propagation method of the spotted star flounder broodstock. Background technique [0002] Striped star flounder (Verasper moseri), belonging to the order Pleuriformes, Plaiceidae, and the genus Star Plaice, is a large-scale flounder flounder with beautiful appearance, tender and delicious meat, thick and tough gum around the fins, rich in vitamins, Trace elements, rich in nutrients, not only suitable for various traditional cooking methods in our country, but also an excellent material for making sashimi, and because the catch is very small, it is a very rare treasure of seawater fish. In Japan, it is called "dream fish" and "king flounder". The market price reaches 10,000 to 20,000 yen / kg, which is 2 to 5 times that of flounder, and has a high economic value. value and breeding value. Striped star flounder is mainly distributed in the sea area from the north of Ibaraki Prefecture to the south of the Sea of ​​Ok...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00A61D19/00
CPCY02A40/81
Inventor 翟介明李波王玉峰毛朋君毛伟杰庞尊方张胜武滕军
Owner 莱州明波水产有限公司
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