title: Factors affecting pelvic size and dystocia in beef cattle.
mesh_terms: D000367:Age Factors; D000821:Animal Feed; D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D001947:Breeding; D002417:Cattle / Q000033:anatomy & histology*; D002418:Cattle Diseases / Q000209:etiology*; D004420:Dystocia / Q000209:etiology / Q000662:veterinary*; D005260:Female; D010388:Pelvis / Q000033:anatomy & histology*; D011247:Pregnancy