Study the Discarding factors in friesien cattle and its effect on the milk production of jeb Ramlah dairy cattle
published by Aِl-Baath University
in 2014
in
and research's language is
العربية
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Abstract in English
This study was done on the records of 564 milk cows
during the period 2004-2007 .Those cows were dismissed
for many reasons and in different ages. The range of
dismissing age is between 3-6 years. The ratio of
dismissing of those cows was between 20-25% . The rate
of dismissing was high in the first lactation season . It
reached 27,43% for the years 2004-2005, and 24,45% for
the years 2006-2007. The highest percentage of dismissing
was in the first month of milk seasons .It reached 34,49%
in the years 2006-2007.
References used
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Ivanek ,J ; Dolezal, p : ( 2001 ) : odbor evropske integrace Mze cr . sance a rizika se kterou hoveziho masa C . R . Z . Europske unii. potrivinarsky zpravodaj – 3 / 2001
(Kvaplik , J ; Zdene, K. R; Pavel , B ; and kolektiv . ( 2008 ): Pricni brakace skotu v czech republic. Zivocine vyroba.praha. 5.P (30-71