Fat-tailed sheep are kept extensively throughout west Asia and north and east Africa as a multipurpose species. Records from a large Awassi flock, progeny tested for lamb growth and ewe’s milk production and kept under extensive rangeland conditions, were analysed to investigate the genetic relationships between meat and milk traits. Using a sire model on three years of milk records and five years of lamb growth data meat and milk traits had correlations between estimated sire breeding values of between 0.35 and 0.58, depending on the combination of traits analysed. The level of genetic variation found ranged from a heritability of 0.15 to 0.44 for growth traits and 0.11 to 0.26 for milk traits
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 24: Sheep and goats (fibre); sheep and goats (meat and milk); poultry; horses; buffaloes., , 177–180, 1998
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