title: Livestock: worrying decline in some rare native livestock breeds.
mesh_terms: D000827:Animal Welfare; D000818:Animals; D001947:Breeding; D002417:Cattle / Q000235:genetics*; D003247:Conservation of Natural Resources; D004624:Embryo Transfer / Q000662:veterinary; D053476:Extinction, Biological; D005260:Female; D008297:Male; D011157:Population Dynamics; D011159:Population Surveillance; D012307:Risk Factors