Author:
Balasingham T. G.,Robinson N. A.,McGregor B. A.
Abstract
The genetic relationships between an abandoned population of mohair-style,
fibre-producing goats from the remote semi-arid Faure Island, Western
Australia and 3 modern breeds of Angora goats (Australian, southern African
and Texan) were investigated. Faure Island goats originated from stock
introduced in the 1890s, reputedly from South Africa. Farmed Faure goats were
abandoned on the island about 1918, but their fine mohair fleece has since
generated commercial interest within the Australian mohair industry. Nineteen
microsatellite loci were used to compare Nei’s genetic distance between
and variation within the breeds. Faure Island goats are more similar to
southern African and Texan Angoras than to Australian Angoras. Genetic
variability was lower in Australian Angoras than in Faure Island, southern
African and Texan Angoras (lowest proportion of polymorphic loci, mean
heterozygosity and mean number of alleles). Current Faure Island mohair-style
goats are more closely related to modern southern African Angora goats than to
traditional Australian Angora goats, while the reduced variability in the
latter may have resulted from inbreeding. These results have implications for
the genetic improvement of fibre-producing goats and for the conservation of
genetic material from island populations of goats.
Subject
General Agricultural and Biological Sciences
Cited by
3 articles.
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