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Register a new userThe possibility of improving the manual pollination and calving of F. cows at improving its Husbandry systems during the transit period
إمكانية تحسين دليل التلقيح و كفاءة الولادة لأبقار الفريزيان عند تحسين نظام رعايتها خلال مرحلة العبور
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إياد تامر( باحث )
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نفذُت التجربة في مبقرة خاصة قرب مدينة صافيتا في محافظة طرطوس، وذلك في الفترةُ الواقعة بين شهر أيار 2012 و شهر تشرين الأول 2014 ، إذ جرت الدراسة على 48ُ رأساً مُن الأبقار الحلوب، في تجربتين صيفية و شتوية، و شملت كل تجربة 24 رأساًُُ من الأبقار الجافة المتقاربة في الأوزان و في موعد الولادة المتوقع، و وزعت في مجموعتينُ شاهد و تجربة.
The research was made at particular cow's station in near Safita city at Tartous, in the period between May 2012 and October 2014. of the dairy cows in two experiences at 48 The study took place at Summer and Winter, each experiment included / 24 / dry cows converged in the weights and the expected date of calving in tow groups Witness and experience.
References used
Abubakar, B.Y., R.E. McDowell, and L.D. Vanvleck. 1986. Genetic Evaluation of Holsteins in Columbia. J.Dairy Sci. 69: 1081-1086
Ahmedzadah,A.the estrous cycle.chapter7:Reproductive cyclicity Animal and veterinary science Department,university of Idaho . www.avs.uidaho.edu/avs- 222/word/the%20 cycle %20 i.com.2003
Albright, J.L. & A rave, C.W. (1997) The Behavior of Cattle, CAB nternational
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