Large-scale common sucker breeding method capable of controlling temperature of circulating water

A technology of circulating water and mullet, which is applied in the field of large-scale breeding of mullet circulating water with temperature control, can solve the problems of high mortality of mullet, solve the bottleneck of large-scale breeding, increase hatching rate and emergence rate, and increase hatching rate.

Inactive Publication Date: 2014-12-03
YONGFENG YIFAN AQUATIC SCI & TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a large-scale breeding method of mullet circulating water temperature control, to solve the problem of high mortality in mullet from induced labor to larvae cultivation

Method used

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  • Large-scale common sucker breeding method capable of controlling temperature of circulating water
  • Large-scale common sucker breeding method capable of controlling temperature of circulating water
  • Large-scale common sucker breeding method capable of controlling temperature of circulating water

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Embodiment Construction

[0015] The following examples illustrate this description in detail, and this example is only for illustrating the present invention, and is not intended to limit the protection scope of the present invention.

[0016] The temperature-controlled large-scale breeding method of mullet recirculating water, its breeding method is:

[0017] (1) Broodstock selection: selection based on biological characteristics, age, body length and weight, and male and female identification. Biological characteristics: the body length of mullet is 2.4~3.6 times the body height, 3.4~5.1 times the head length, 7.8~8.9 times the tail peduncle length, 11.9~13.8 times the tail peduncle height, and the head length is the snout length 2.0~2.9 times, 8.6~10.8 times of eye diameter, dorsal fin 4.50-57, anal fin 3.11-12; lateral line scales 48-53; lateral gill rakers 30-39; hypopharyngeal teeth 1 row, 50-80, age and weight: Female fish aged 7 years or above, weighing more than 8kg, body length above 75cm; ...

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Abstract

The invention discloses a large-scale common sucker breeding method capable of controlling the temperature of circulating water. The method comprises the following steps of parent fish selection, parent fish rearing, artificial spawning induction, artificial fertilization, artificial incubation, larva fish cultivation, disease control and the like. In an artificial breeding process, the temperature of the water is controlled in a range of 15-20 DEG C by using a circulating water temperature controlling technology, the water is circulated and is used efficiently, the prosperous breeding period of common suckers is greatly prolonged, adverse effects on artificial breeding due to over low water temperature in the early stage and over high water temperature in the later stage are avoided, and the problems that the water quantity is insufficient, the water quality is deteriorated and the water is polluted in the breeding period are solved. According to the technical scheme obtained from scientific experimental research and production practice, the spawning induction rate, the spawning rate, the fertility rate, the hatching rate and the emergence rate of the common suckers can be greatly improved, the bottleneck on large-scale breeding of the common suckers is solved, and the large-scale common sucker breeding method plays an important role in scientific research, population protection and artificial breeding of the common suckers.

Description

technical field [0001] The invention relates to a method for breeding mullet, in particular to a method for large-scale breeding of mullet in circulating water with temperature control. Background technique [0002] The mullet belongs to the family Cyprinidae and the family Cyprinidae. It was also called the family Cyprinidae in the past. It is an endemic species in Asia. It is distributed in the Yangtze River and Minjiang River in China. It is a national second-level key protected aquatic wild animal. The mullet has important economic value and important scientific value in taxonomy and zoogeography. Rouge has a good market prospect. The mullet is docile, inhabits the middle and lower layers of the water body, and is an omnivorous fish. From the perspective of breeding practice, this variety has excellent characteristics such as easy feed, fast growth, large individuals, high population yield, and strong disease resistance. It is suitable for ponds, lakes, reservoirs, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 梁洪海占阳吴明传周平陈诗伟
Owner YONGFENG YIFAN AQUATIC SCI & TECH CO LTD
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