Genetics of multiple births in sheep.
D000818:Animals; D003433:Crosses, Genetic; D005260:Female; D005298:Fertility; D011247:Pregnancy; D011270:Pregnancy, Animal; D011272:Pregnancy, Multiple; D011783:Quadruplets; D012641:Selection, Genetic; D012756:Sheep; D014310:Triplets; D014427:Twins; D014768:Virginia