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Original Article

AJVS. 2021; 69(1): 131-135


Estrous Synchronization in Beef Animal Under the Egyptian Condition

Eman E. Elbawab, Kamal K. Metwally, Hossam A.Habiba.




Abstract

Synchronization Of The Estrous Cycle In Beef Animal Under The Egyptian Condition
Eman E.Elbawab,Kamal K. Metwally and Hossam A.Habiba .
Fac. of vet. Med. Alex. Univ
Abstract
The beef industry in Egypt is very difficult work because beef cow dose not produce enough quantity of milk and only give one calf per year so the cost of the feeding of the cow through the year for giving one birth only is a very expensive industry . This work aimed to study the effect of different protocols on beef cattle to decrease the period of calving interval and to decrease the cost of breeding by using different way of estrous synchronization to determine the best protocol used in synchronization in Egypt. In this research , we used 102 beef cows and heifers (equally 51cows , 51 heifers) and 10 bull for mating divided into 5 groups.

Key words: Estrous,synchronization,prostaglandins,CIDR,GnRH,CL,pregnancy






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