title: Evaluation of purebreds and two-breed crosses in swine: reproductive performance.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001724:Birth Weight; D001835:Body Weight; D001947:Breeding; D003338:Corpus Luteum / Q000033:anatomy & histology; D003433:Crosses, Genetic; D005314:Embryonic and Fetal Development; D004971:Estrus; D005260:Female; D007743:Labor, Obstetric; D008297:Male; D010060:Ovulation; D011247:Pregnancy; D012098:Reproduction; D012621:Seasons; D013552:Swine / Q000502:physiology*; D014886:Weaning