The Assaf (originated from Awassi X East Friesian) was developed in Israel during the 1950s and 1960s and replaced the improved Awassi as the main dairy breed in the country. Information on reproduction and production traits of the Assaf in its early stages has been documented by Epstein (1985) and Gootwine and Goot (1996). Currently, Assaf ewes are kept under intensive management where ewes are milked from the 1st day of the lactation while lambs are removed at birth to artificial rearing units. This type of milking regime, unique in dairy sheep, allows the study of the complete lactation. Up-to-date information of the performance of the Assaf under intensive management is lacking. The aims of the present study therefore, were to study the complete lactation curve of the Assaf using a biological moded (Pollott 2000) and to analyze the factors which affect milk production and lactation curve parameters.
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume 2002. Session 1, , 1.48, 2002
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