Nematode parasite populations in sheep on lowland farms. 1. Worm egg counts in ewes.
D000818:Animals; D005260:Female; D009348:Nematoda; D009349:Nematode Infections; D010271:Parasites; D012756:Sheep; D012757:Sheep Diseases; D034561:Sheep, Domestic
NEMATODE INFECTIONS; SHEEP/diseases