title: Characterization of biological types of cattle I. Dystocia and preweaning growth.
mesh_terms: D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D001947:Breeding; D002417:Cattle / Q000254:growth & development*; D002418:Cattle Diseases / Q000453:epidemiology; D003433:Crosses, Genetic; D004420:Dystocia / Q000453:epidemiology / Q000662:veterinary*; D005260:Female; D008297:Male; D011247:Pregnancy; D012737:Sex Factors; D014886:Weaning