FLUCTUATION OF SERUM AND SEMINAL INHIBIN IN RELATION TO BULL FERTILITY | ||
| Veterinary Medical Journal (Giza) | ||
| Volume 46, Issue 4, October 1998, Pages 569-574 PDF (1.83 M) | ||
| DOI: 10.21608/vmjg.1998.377340 | ||
| Authors | ||
| E.M. MABROUK* 1; E.M.M. ABDEL-GAWAD2 | ||
| 1Department of Physiology Fac. Vet. Med.. , Beni-Suef, Cairo Univ. | ||
| 2Department of Theriogenology Fac. Vet. Med.. , Beni-Suef, Cairo Univ. | ||
| Abstract | ||
| Blood and semen samples were collected for six successive months from 21 Friesian bulls. These bulls were used for natural service and were divided into three groups based on their semen characteristics. The first group consisted of bulls with high semen quality (10 bulls), the second group with moderates semen quality (6 bulls) and the last one with semen of low quality (5 bulls). Inhibin was measured in both serum and seminal plasma using indirect ELISA technique. Results showed that, bulls of group 1, had sperm cell concentration, motility%, live% , sperm% and fructolysis index higher than bulls of groups II and III, and lowest serum and seminal plasma inhibin potency. On the contrary, bulls of group 111, had the lowest semen characteristics with the highest serum and_ seminal plasma inhibin potency as compard with the two other groups. It is concluded that high inhibin potency in group 111 can be responsible for the production of semen of low quality. | ||
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