期刊
JOURNAL OF ANIMAL BREEDING AND GENETICS
卷 121, 期 6, 页码 361-373出版社
WILEY
DOI: 10.1111/j.1439-0388.2004.00479.x
关键词
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During the past decade a large number of genetic diversity studies in domestic livestock based on microsatellite loci was carried out all over the world. A survey among research groups reveals that in 50% of 87 projects more than eight breeds are investigated. Breeds are chosen mainly because of their long history of isolation, unique phenotypic qualities or an evolution within a unique environment. In half of the projects the average planned sample size per breed is higher than 50. Small ruminants are investigated in the majority of projects. The most preferred type of sample is blood and the most preferred markers are microsatellite loci. To combine results from different diversity studies, the adherence to recommendations, e.g. which loci to genotype or required sample sizes per breed, is necessary. The so called International Society for Animal Genetics (ISAG)/FAO recommendations, which were developed for that purpose, are well known, but the use of recommended microsatellite loci varies between species. The highest acceptance was found in pig, and the lowest in chicken.
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