[Statistical study on the semen characteristics collected from pairs of sibling bulls used at artificial insemination centers].
D000367:Age Factors; D000818:Animals; D002417:Cattle / Q000502:physiology*; D004777:Environment; D007315:Insemination, Artificial / Q000662:veterinary*; D008297:Male; D012621:Seasons; D012661:Semen; D013223:Statistics as Topic
Etude statistique sur les caractères de spermes recoltés des taureaux germains entretenus dans les centres d'inémination artificielle.