A total of 89 Awassi rams were progeny tested on 10.870 yearling ewes between 1992 and 1996. Since 1995 three groups of tested rams have been obtained and used for planned matings with top producing ewes of the nucleus flock. Within the last 5 years lambing percentage from intraviginal AI using 0.2 ml fresh semen has been 80.4%. Average milked yield per ewe increased from 66.9 kg in 1990 to 152.3 kg in 1997, presumably due to the routine screening of the population, the ongoing genetic selection programme as well as the outcrossing effect of the Israeli Awassis introduced to the population in 1977 and 1992. 

O. Gursoy, K. Kirk, G. E Pollott

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., , 137–140, 1998
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