[Statistical considerations on the bulls used at the Artificial Insemination Centers in Hokkaido from 1958-65].
D000818:Animals; D002417:Cattle; D005260:Female; D007315:Insemination, Artificial / Q000662:veterinary*; D007564:Japan; D008297:Male; D013223:Statistics as Topic
Considerations statistiques sur les taureaux entretenus aux centres d'insemination artificielle du hokkaido pendant 1958-1965.