Effect of number of embryos and uterine space on embryo survival in the pig.
D000818:Animals; D004622:Embryo, Mammalian / Q000502:physiology*; D005260:Female; D011247:Pregnancy; D011270:Pregnancy, Animal / Q000502:physiology*; D013552:Swine / Q000502:physiology*; D014599:Uterus / Q000502:physiology*