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Breeding method of Chinese bamboo rat female line

A breeding method and technology of bamboo rats, which are applied in animal husbandry and other fields, can solve the problems of low reproductive performance, small litter size, and high cost of bamboo rats, and achieve the effects of avoiding instability, large litter size, and promoting cultivation

Active Publication Date: 2020-07-03
兰陵县财金投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the breeding technology of bamboo rats is not perfect enough. Bamboo rats generally have the problems of low reproductive performance and small litter size, so that the breeding of bamboo rats has problems of high cost, low benefit and high risk.

Method used

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  • Breeding method of Chinese bamboo rat female line

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A kind of breeding method of Chinese bamboo rat female line, comprises the following steps:

[0032] S1. Determine the standard weight range of female bamboo rats as X 1 -X 2 (The selected female and male bamboo rats are all purebred Chinese bamboo rats):

[0033] With 1.225Kg as the minimum weight, every 50g increase in weight is a weight level to 1.525Kg as the highest weight, and a total of weight level Ⅰ (1.225Kg-1.275Kg), weight level Ⅱ (1.275Kg-1.325Kg), weight level Ⅲ (1.325Kg-1.375Kg), weight level IV (1.375Kg-1.425Kg), weight level V (1.425Kg-1.475Kg), weight level VI (1.475Kg-1.525Kg) six weight levels, within each weight level Including the minimum body weight within the range of this weight level, excluding the highest body weight within the range of this weight level, select 20 female bamboo rats for each weight level, and breed them with male bamboo rats with a body weight within the range of 1.49-1.51Kg, Statistics of the average litter size (only), an...

Embodiment 2

[0044] A kind of breeding method of Chinese bamboo rat female line, comprises the following steps:

[0045] S1. Determine the standard weight range of female bamboo rats as X 1 -X 2 , and determine the standard weight range Y of male bamboo rats 1 -Y 2 , where X 1 -X 2 , and Y 1 -Y 2 The determination of is subject to the data determined in Example 1, that is, X 1 -X 2 1.375Kg-1.425Kg, Y 1 -Y 2 1.65Kg-1.71Kg;

[0046] S2. Select 60 male bamboo rats whose body weight is within 1.65Kg-1.71Kg, and 180 female bamboo rats whose body weight is within 1.375Kg-1.425Kg, and establish according to each family including 1 male bamboo rat and 3 female bamboo rats 60 families;

[0047] S3, the 60 family lines that are established are carried out one generation of selective breeding, and the reproductive performance I (W) of each family line is counted. 1 ), the reproductive performance I takes the number of adult offspring who reach the standard body weight E and the survival ...

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Abstract

The invention discloses a breeding method of a maternal line of rhizomys simesis grays. The breeding method comprises the following steps that 1, N male rhizomys simesis grays and 3N female rhizomys simesis grays are selected to build N families according to the condition that each family comprises one male rhizomys simesis gray and three female rhizomys simesis grays; 2, the N families are subjected to breeding of one generation, the reproductive performance I of each family is counted, N male rhizomys simesis grays and 3N female rhizomys simesis grays in the family of which the reproductiveperformance I is ranked in the top 50% are selected to build the N families; 4, the step 3 is repeated till the number of rats which reach the body weight standard and the survival rate of the adult offspring of the rhizomys simesis grays of the same generation are higher than a first threshold value and a second threshold value respectively, and female parent of the generation is the maternal line of rhizomys simesis grays, wherein the rhizomys simesis grays in each family have no relationship by consanguinity. The breeding method well coordinates the contradiction of high negative correlatedcharacteristics between the body weights and the reproductive performance of the female rhizomys simesis grays, provides the maternal line with large litter size and large born alive number for the special line of the rhizomys simesis grays and improves the economic benefits.

Description

technical field [0001] The invention relates to the field of bamboo rat breeding. More specifically, the present invention relates to a method for cultivating the female line of the Chinese bamboo rat. Background technique [0002] The bamboo rat has a large body and a lot of meat, delicious taste, rich nutrition, thick and soft fur, and has high economic value and medicinal value. At present, it has been cultivated on a large scale and has become one of the breeding industries with greater economic benefits. [0003] At present, the breeding technology of bamboo rats is not perfect enough, and bamboo rats generally have the problems of low reproductive performance and small litter size, so that the breeding of bamboo rats has problems of high cost, low benefit and high risk. Moreover, there is a high genetic negative correlation between the weight of bamboo rats and their reproductive performance. If one-sided pursuit of slaughter weight, the reproductive performance of b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01K67/02
Inventor 葛洪伟张文明邓彦飞陈玥秀谢向萌侯太乾夏治华刘立强覃子榕
Owner 兰陵县财金投资有限公司
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