Effective of Injection PGF2α Hormone for Treatment Abnormal Estrus Cycle in Indu brazil Cross Breed Beef Cattle in Maha Sarakham Province

Abstract

Theobjective of this research was study injection PGF2α hormone for treatment abnormal estrus cycle in Indubrazil cross breed beef cattle in Maha Sarakham province. The sample subjects were 20 abnormal estrus cycle Indubrazil cross breed beef cattle. Results of the study found that in the group of 20 cows had abnormal estrus cycle performance.The 14 cows had corpus luteum (average 70% (14/20)) when the bovine veterinary practitioner used rectal palpation method detection.The 6 cows did not have corpus luteum (average 30% (6/14)).The 14 cows in corpus luteum group were received injection PGF2α hormone. After that about 3-5 days found that the 12 cows in this group into heat performance (average 85.71% (12/14)). The 2 cows did not into heat performance (average 14.29% (2/14)). In this research, PGF2α hormone can solution abnormal estrus cycle problem cow that have corpus luteum on ovary more than 71.43%