title: Heterospermic insemination of cattle using three bulls of the same breed.
authors.affiliation: Genus Freezing Unit, Ruthin, Clwyd.
authors.forename: S G
authors.initials: SG
authors.lastname: Revell
mesh_terms: D000818:Animals; D002417:Cattle; D004973:Estrus Synchronization; D005260:Female; D007315:Insemination, Artificial / Q000379:methods / Q000662:veterinary*; D008297:Male; D011247:Pregnancy; D012661:Semen / Q000166:cytology; D013045:Species Specificity; D013094:Spermatozoa