A comparison of the spring-rise phenomenon in the faecal nematode-egg counts of housed sheep with that of sheep grazing infective pasture.
D000818:Animals; D005243:Feces / Q000032:analysis*; D005260:Female; D009349:Nematode Infections / Q000453:epidemiology / Q000662:veterinary*; D009520:New Zealand; D012621:Seasons; D012756:Sheep