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Pure breeding method for soft-shelled turtles

A soft-shelled turtle and purebred technology, applied in animal husbandry and other directions, can solve the problems of improving the quality of soft-shelled turtles, no multi-generation breeding, and low morphological similarity, and achieve the effects of improving the morphological similarity, reducing the cultivation time, and improving the hatching rate.

Inactive Publication Date: 2014-06-11
湖南金琮汉寿甲鱼有限公司
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Problems solved by technology

This method improves the quality of soft-shelled turtles by using hybrid breeding technology, but does not provide a method for purebred soft-shelled soft-shelled turtles to improve the quality of soft-shelled turtles, and does not carry out multi-generation breeding, which cannot guarantee the stable genetic performance of soft-shelled soft-shelled turtles.
[0008] At present, a lot of research work has been done on the breeding and breeding of Chinese soft-shelled turtles at home and abroad, but there has been no purebred breeding for multiple and multi-generational purification and rejuvenation, especially purebred breeding for specific soft-shelled turtle populations (such as Hanshou soft-shelled turtle). Breeding; the existing soft-shelled turtle breeding methods still have problems such as insufficient selection, germplasm degradation, large differences among soft-shelled turtles, low morphological similarity, slow growth, weak disease resistance, and low yield per unit area, or The breeding cycle is long and the economic cost is high

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  • Pure breeding method for soft-shelled turtles

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Embodiment 1

[0035] Step 1: In July, select the purebred Hanshou soft-shelled turtle juveniles whose bottom plate is light red and has no black spots, and whose body shape is closer to round than other strains. Juvenile turtle turtles are soaked in 1.5% salt water for 5 minutes and then put into an outdoor holding pond for cultivation. The outdoor holding pond is 10m 3The cement pool is equipped with a sewage device, the height is 60cm, water injection is 40cm, and the water is cultivated with large grass and disinfected with quicklime 7 days before the seedlings are released. The water quality is required to be moderately fat and thin, with a transparency of 20cm. ~7.0, put water hyacinth or water peanut grass that can cover 30-40% of the water surface in the holding pool for the seedlings to inhabit and avoid strong light, and the outdoor holding pool is sprayed with EM bacteria 24 hours before the seedlings are thrown; On the 7th day after hatching, the yolk nutrition has been completel...

Embodiment 2

[0043] Step 1: In August, select healthy purebred Hanshou soft-shelled turtle juveniles with a light red bottom plate and no black spots, and a shape that is closer to round than other strains from the existing juvenile Hanshou soft-shelled turtles that have hatched for 5 days. Juvenile turtles are soaked in 1.5% salt water for 4 minutes and then placed in an outdoor holding pond for cultivation. The outdoor holding pond is 12m long. 3 The cement pool is equipped with a sewage device, the height is 60cm, and the water injection is 40cm. The water is cultivated with large grass and disinfected with quicklime 7 days before the seedlings are released. The water quality is required to be moderately fat and thin, with a transparency of 25cm. ~8.0, put water hyacinth or water peanut grass that can cover 40-50% of the water surface in the holding pool for the seedlings to inhabit and avoid strong light, and the outdoor holding pool is sprayed with EM bacteria 24 hours before the seedl...

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Abstract

The invention discloses a pure breeding method for soft-shelled turtles. Soft-shelled turtle fries, soft-shelled turtles cultured in an outdoor storage pond, soft-shelled turtles cultured in a factory greenhouse and fertilized eggs of the soft-shelled turtles are purified, rejuvenated and selected for many times by multiple steps, and meanwhile, each culture condition is controlled; the soft-shelled turtles are multi-generationally bred and cyclically selected. According to the method, a temperature and periodical humidity combination control method is adopted for an artificial incubation process of the fertilized eggs, the purity of second-generation soft-shell turtle generations purely bred by the method reaches more than 98 percent, the purity of third-generation soft-shell turtle generations purely bred by the method is higher than 99.5 percent, and the shape similarity, the uniformity, the resilience, the growth speed and the yield per unit of soft-shelled turtle individuals are remarkably improved.

Description

technical field [0001] The invention relates to a method for artificial breeding of soft-shelled turtles, in particular to a method for pure breeding of soft-shelled turtles. Background technique [0002] Hanshou soft-shelled turtle, also known as Hanshou Zhonghua soft-shelled turtle, Hanshou water fish, etc., belongs to Reptilia, Turtle order, Turtle family, Turtle genus, because it has obvious morphological characteristics different from other strains and is native to The Dongting Lake area, which is dominated by Hanshou, has better production and economic characteristics, and is widely introduced and cultivated in China. It is a product protected by China's national geographical indications and is defined by a series of specific technical indicators. Compared with other soft-shelled turtle species, the Hanshou soft-shelled turtle has a large body, wide and thick skirt, and egg-yellow fat in the abdomen; it has a strong physique, flexible crawling, strong immunity, fast gr...

Claims

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Application Information

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IPC IPC(8): A01K67/02
Inventor 黄宏科陈信初陈鹏飞张小燕李昌霖
Owner 湖南金琮汉寿甲鱼有限公司
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