Epidemiological studies on gastro-intestinal nematode parasites of sheep. Infection patterns on clean and summer-contaminated pasture.
D000018:Abomasum; D000818:Animals; D000871:Anthelmintics / Q000627:therapeutic use; D001835:Body Weight; D004739:England; D005243:Feces; D005260:Female; D007411:Intestinal Diseases, Parasitic / Q000453:epidemiology / Q000662:veterinary*; D007420:Intestine, Large; D007421:Intestine, Small; D007814:Larva; D009349:Nematode Infections / Q000453:epidemiology / Q000662:veterinary*; D010270:Parasite Egg Count; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*; D013272:Stomach Diseases / Q000453:epidemiology / Q000662:veterinary*
D000871:Anthelmintics