title: Studies on the immunity of sheep to Oesophagostomum columbianum: effects of different and successive doses of larvae on worm burdens, worm growth and fecundity.
mesh_terms: D000284:Administration, Oral; D000818:Animals; D005243:Feces / Q000469:parasitology; D005260:Female; D005298:Fertility; D007814:Larva / Q000254:growth & development / Q000302:isolation & purification / Q000502:physiology; D008297:Male; D009814:Oesophagostomiasis / Q000209:etiology / Q000276:immunology / Q000469:parasitology / Q000662:veterinary*; D009815:Oesophagostomum / Q000033:anatomy & histology / Q000254:growth & development / Q000302:isolation & purification / Q000502:physiology*; D010270:Parasite Egg Count; D012744:Sex Ratio; D012756:Sheep / Q000276:immunology; D012757:Sheep Diseases / Q000209:etiology / Q000276:immunology* / Q000469:parasitology