BREED RESISTANCE TO OSTERTAGIASIS IN SHEEP.
D000818:Animals; D001947:Breeding; D005243:Feces; D005823:Genetics; D009349:Nematode Infections; D010029:Ostertagiasis; D012756:Sheep; D012757:Sheep Diseases
FECES; GENETICS; NEMATODE INFECTIONS; SHEEP DISEASES