The effect of dietary grape pomace supplementation on epididymal sperm quality and testicular antioxidant ability in ram lambs

Wine grape pomace (WGP) contains a rich source of polyphenols that can act as powerful antioxidants. The objective of this study was to investigate the effect of dietary WGP supplementation on antioxidative activity and epididymal sperm quality in rams. The rams were raised either under free-range or pen conditions, and the pen-raised rams were fed a WGP-containing diet (0, 5% and 10% of dry matter basis) for 74 days. An increase in the...