Breeding method for micropterus salmonides in autumn

A technology of largemouth bass and parent, applied in fish farming, application, climate change adaptation, etc., to achieve significant economic and social benefits

Active Publication Date: 2018-05-22
金澄福生物科技(苏州)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At this stage, there are no reports of large-scale artificial hatching of large-mouth bass in northe

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  • Breeding method for micropterus salmonides in autumn

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Embodiment Construction

[0038] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0039] Largemouth bass autumn breeding method, the method comprises the steps of:

[0040] 1) Parent selection

[0041] Two-year-old largemouth bass that conceive eggs in spring and spawned in April to May, with a size of more than 0.55kg / tail, strong physique, good body color, no deformity, no damage, and no disease, totaling 1230kg.

[0042] 2) Cement pond cultivation

[0043] The specifications of the cement pool are 4m in length x 4m in width x 1m in depth, and the drainage system, oxygenati...

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Abstract

The invention discloses a breeding method for micropterus salmonides in autumn. The method comprises the following steps: 1) parent selection; 2) cultivation in a cement pond; 3) low-temperature induction; 4) nutrient regulation and control; 5) injection of a gonad modifier; 6) reinforced cultivation of parents; and 7) breeding in autumn. The breeding method provided by the invention adopts the methods such as the cultivation in the cement pond, the low-temperature induction, the nutrient regulation and control, the injection of the gonad modifier and the like, the micropterus salmonides can develop twice a year, after spawning is performed in spring, gonads are matured again in the current year, breeding in autumn is realized, breeding of the micropterus salmonides in autumn is realized for the first time, and the technology of breeding of the micropterus salmonides in autumn is broken.

Description

technical field [0001] The invention belongs to the technical field of fry breeding, and in particular relates to a method for breeding largemouth bass in autumn. Background technique [0002] Largemouth bass (scientific name: Micropterus salmonides), taxonomically belongs to Perciformes, sunfish family. Body elongated and laterally compressed, slightly fusiform, elliptical in cross section. The ratio of body height to body length is 1:3.5~4.2, and the ratio of head length to body length is 1:3.2~3.4. The head is large and long. The eyes are large with protruding eyeballs. The snout is long, the mouth is superior, and the mouth is large and wide. The jaw bone, palatine bone, and vomer bone all have complete comb-shaped teeth, which are many and small, and the size is the same. The back meat is thick. The tail peduncle is long and high. The whole body is covered with grayish-white or light yellow fine scales, but the color of the back line is darker, often greenish blu...

Claims

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Application Information

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IPC IPC(8): A01K61/10
CPCA01K61/10Y02A40/81
Inventor 许爱国张茂友赵小兵张红英陈超宋学宏
Owner 金澄福生物科技(苏州)有限公司
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