experimental infections of eimeria wapiti and e. zuernii-like oocysts in rocky mountain elk (cervus elaphus) calves.four rocky mountain elk (cervus elaphus) 10 to 14 wk of age each were inoculated orally with a mixture of 50,000 sporulated oocysts of an eimeria zuernii-like apicomplexan (70%) and e. wapiti (30%). maximum numbers of oocysts per gram of feces (opg) in each elk ranged from 985 to 15,517, but all calves remained healthy and clinical signs of coccidiosis were not observed. the prepatent period for e. zuernii was 8 days and the patent period approximately 37 days, with a maximum mean (+/- se) recov ...19947933299
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