Improvement of Shami Goat Semen Quality Outside and Inside the Reproductive Season by Adding Antioxidants

Abstract

The present study was aims to improve the quality of shami goat semen diluted with tris diluent by adding antioxidants (bovine serum albumin (BSA), vitamin C, vitamin E, vitamin A) , In the current study , 12 male shami goats were used . semen was collected using artificial vagina of one ejaculate per week from every male during the outside breeding season from 01/06/2013 to 15/09/2013 and two ejaculate per week from every male during the breeding season of 15/9 / 2013 to 15/12/2013. in this study, the use of diluent tris - fructose - egg yolk 1.5%. Diluted semen sample cooled gradually and stored at 5º C , Cooled diluted semen sample were examined every 24 hours of storage to 72 h. These tests include the proportion of live sperm and the proportion of secondary abnormalities of the sperm. The percentage of sperm acrosomal defects. These results showed the addition of vitamin E to semen extenders of male was best to improve the qualities of semen ( percentage of proportion live sperm, the acrosomal integrity , the natural form sperm) outside the breeding season, the diluted enhanced with vitamin A was the best in maintaining the highest proportion of live sperm and reduce the proportion of sperm defects it could be concluded of the current study that the addition of antioxidants to semen extenders clear impact on both the percentage of live sperm and reduce defects.