title: Hybridisation in sheep.
mesh_terms: D000383:Agriculture; D000818:Animals; D001947:Breeding; D005260:Female; D005298:Fertility; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D008297:Male; D008460:Meat; D011247:Pregnancy; D012756:Sheep; D006113:United Kingdom