THE EFFECT OF INDUCED CRYPTORCHIDISM ON SEMEN PICTURE, SERUM TESTOSTERONE, VIT. C.,VIT. A. AND B-CAROTENES IN BUFFALO BULLS

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Eight buffalo bulls of one year old were used in the study. Four of them were subjected to experimental cryptorchidism by surgical operation. The other four bulls were kept as control intact). A total number of 104 blood samples were taken as long as six months of the experiment (growing 12-15 and adult 20-23 month old). Blood serum were subjected for testosterone, Vit.C., Vit. A and B-carotenes determination. Sexual behaviour up to eighteen months old till twenty three months old were evaluated for all bulls. Daily body gain was recorded for all animals as long as the experiment. Semen samples were collected during sexual behaviour evaluation from all bulls. Our results re corded a significant increase (P >0.01) in serum testosterone during the adult period rather than the growing period. However, non significant differences were recorded for serum Vit. C, Vit A and B-carotenes between cryptorchid and intact bulls. Animals started to show sexual interest starting from 18 months old for both cryptorchid and intact bulls. Semen evaluation was high in intact bulls than in cryptorchism ones.

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