title: Reproductive performance of swine bred to produce purebred and two-breed cross litters.
mesh_terms: D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D001947:Breeding; D003433:Crosses, Genetic; D005260:Female; D005306:Fertilization; D014644:Genetic Variation; D007774:Lactation; D008098:Litter Size; D008297:Male; D010060:Ovulation; D011247:Pregnancy; D012098:Reproduction; D012641:Selection, Genetic; D013552:Swine / Q000196:embryology / Q000502:physiology*