Since knowledge of sperm morphological characteristics can play an important role in semen evaluation and fertilisation. baseline data on sperm ultrastructure are required. Live spermatozoa were collected from the cauda epididymis from 64 impala rams in the Kruger National Park and 5082 spermatozoa from 40 of these impala were studied by scanning electron microscopy. The mean length o... https://unitedssports.shop/product-category/bike-units-dual-sport/