Cultivation method of terminal male line of Chinese bamboo rat
A breeding method, the technology of Chinese bamboo rat, which is applied in food processing, animal husbandry, animal feed, etc., can solve the problems of reducing breeding profits, increasing the risk of bamboo rat breeding, and reducing market share.
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Embodiment 1
[0042] S1. Select N male bamboo rats and 3N female bamboo rats, and establish N families according to each family including 1 male bamboo rat and 3 female bamboo rats, wherein, N≥50;
[0043] S2. Select and breed the established N families for one generation, count the reproductive performance I of each family, and sort the families according to the size of reproductive performance I, and select N from the families whose reproductive performance I ranks in the top 50% Male bamboo rats and 3N female bamboo rats establish N families again;
[0044] S3, repeating step S2, until the adult offspring body weight heritability estimation value of the bamboo rat of the same generation, the evenness heritability estimation value reach the first threshold value, the second threshold value respectively, then obtain the Chinese bamboo rat terminal male line;
[0045] Among them, there is no blood relationship between the bamboo rats in each family.
Embodiment 2
[0047]S1. Select N male bamboo rats and 3N female bamboo rats, and establish N families according to each family including 1 male bamboo rat and 3 female bamboo rats, wherein, N≥50;
[0048] S2. Select and breed the established N families for one generation, count the weight performance I of each family, and sort the families according to the size of the weight performance I, and select N male bamboo rats and With 3N female bamboo rats, N families were established again;
[0049] S3, repeating step S2, until the adult offspring body weight heritability estimation value of the bamboo rat of the same generation, the evenness heritability estimation value reach the first threshold value, the second threshold value respectively, then obtain the Chinese bamboo rat terminal male line;
[0050] Among them, there is no blood relationship between the bamboo rats in each family;
[0051] Before step S1, it also includes determining the optimal body weight ratio of female bamboo rats an...
Embodiment 3
[0056] S1, select 50 male bamboo rats and 150 female bamboo rats, and set up 50 families according to each family including 1 male bamboo rat and 3 female bamboo rats;
[0057] S2. Select and breed the established 50 families for one generation, count the weight performance I of each family, and sort the families according to the size of the weight performance I, and select 50 male bamboo rats and 150 female bamboo rats, and 50 families were established again;
[0058] S3, repeating step S2, until the adult offspring body weight heritability estimation value of the bamboo rat of the same generation, the evenness heritability estimation value reach the first threshold value, the second threshold value respectively, then obtain the Chinese bamboo rat terminal male line;
[0059] Among them, there is no blood relationship between the bamboo rats in each family;
[0060] Before step S1, it also includes determining the optimal body weight ratio of female bamboo rats and male bamb...
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