title: Sheep farmers warned of an early hatch of parasites.
mesh_terms: D000822:Animal Husbandry; D000818:Animals; D019353:Endemic Diseases / Q000517:prevention & control / Q000662:veterinary*; D006801:Humans; D057808:Nematodirus / Q000145:classification / Q000254:growth & development*; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology / Q000469:parasitology*; D017206:Strongylida Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D006113:United Kingdom / Q000453:epidemiology