Population studies on the infective stage of some nematode parasites of sheep. II. The distribution of faecal deposits on fields grazed by sheep.
D000818:Animals; D005243:Feces; D008962:Models, Theoretical; D009348:Nematoda; D009349:Nematode Infections / Q000453:epidemiology; D011156:Population Density; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology; D013223:Statistics as Topic; D013997:Time Factors