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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Genetic relationships between feral cattle from Chirikof Island, Alaska and other breeds
Animal Genetics, Volume 38, No. 3, Year 2007
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Description
The origin of cattle on Chirikof Island, off the coast of Alaska, is not well documented. We assessed genetic differentiation of cattle isolated on Chirikof Island from several breeds commonly used for commercial production in North America including breeds popularly believed to have contributed to the Chirikof Island population. A set of 34 microsatellite loci was used to genotype Angus, Charolais, Hereford, Highland, Limousin, Red Angus, Salers, Shorthorn, Simmental, Tarentaise and Texas Longhorn cattle sampled from North America and the Chirikof Island population. Resulting FST statistics for these loci ranged from 0.06 to 0.22 and on average, 14% of total genetic variation was between breeds. Whether population structure was modelled as a bifurcating tree or genetic network, Chirikof Island cattle appeared to be unique and strongly differentiated relative to the other breeds that were sampled. Bayesian clustering for multiple-locus assignment to genetic groups indicated low levels of admixture in the Chirikof Island population. Thus, the Chirikof Island population may be a novel genetic resource of some importance for conservation and industry. © 2007 The Authors.
Authors & Co-Authors
MacNeil, Michael D.
United States, Washington, D.c.
United States Department of Agriculture
Blackburn, Harvey D.
United States, Washington, D.c.
United States Department of Agriculture
Richards, Christopher M.
United States, Washington, D.c.
United States Department of Agriculture
Alexander, Lee J.
United States, Washington, D.c.
United States Department of Agriculture
Statistics
Citations: 17
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.1111/j.1365-2052.2007.01559.x
ISSN:
13652052
Research Areas
Genetics And Genomics
Study Design
Cross Sectional Study