the efficacy of ivermectin and levamisole against natural nematodirus spathiger infection in the arabian sand gazelle (gazella subgutturosa marica) and the arabian mountain gazelle (gazella gazella) in saudi arabia. | the efficacy of two broad spectrum anthelmintics (ivermectin and levamisole) against the nematode nematodirus spathiger in the reem (arabian sand gazelle) and idmi (arabian mountain gazelle) at king khalid wildlife research centre (kkwrc) was determined. gazelles of both species naturally infected with n. spathiger were each divided into 3 groups. one group was treated with ivermectin, the other group with levamisole and the last group was left as untreated control. faecal egg counts were employ ... | 2007 | 17951010 |