title: The effect of storage on spermatozoa in vitro and the composition of the extender on the proportion of offspring from heterospermic insemination in the chicken.
mesh_terms: D000818:Animals; D002645:Chickens; D005298:Fertility; D007315:Insemination, Artificial; D008297:Male; D011309:Preservation, Biological; D013094:Spermatozoa / Q000502:physiology*