Analysis of inbreeding of the South African Dairy Swiss breed

被引：2
|
作者：
Bouwer, P. de Ponte [1 ]
Visser, C. [1 ]
Mostert, B. E. [2 ]
机构：
[1] Univ Pretoria, Dept Anim & Wildlife Sci, ZA-0028 Hatfield, South Africa
[2] SA Studbook, ZA-9300 Bloemfontein, South Africa
来源：
SOUTH AFRICAN JOURNAL OF ANIMAL SCIENCE | 2013年 / 43卷 / 01期
关键词：
Effective population size; genetic diversity; inbreeding coefficient; HOLSTEIN;
D O I：
10.4314/sajas.v43i1.4
中图分类号：
S8 [畜牧、 动物医学、狩猎、蚕、蜂];
学科分类号：
0905 ;
摘要：
In South Africa, the Dairy Swiss breed, which originated in Switzerland, consists of 27 breeders and 1135 breeding cows. Pedigree information on the breed was analysed to determine its effective population size (Ne) and rate of inbreeding. The rate of inbreeding was 0.08% per year and 0.38% per generation. It was estimated that in 2008, over 90% of the animals were inbred. This is within the acceptable recommendation for an effective population size of 50 - 100, with an Ne value of 89. However, the high percentage of inbred animals may start to have a detrimental impact on the effective population size and breeders need to exercise caution in their breeding decisions.
引用
收藏
页码：38 / 43
页数：6
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