Abstract
The study was conducted on 10 herds included 811 local fedlot calves (1 to 2 years old) in Goggeli region, 86 calves were affected with gastrointestinal parasites. Total infestation rate was (60.99%). The study showed that Calves were infested with various species of nematodes and cestodes representing,The highest ratio of infestation was with Ostertagia spp (61.62%), and the lowest with Monezia expansa (2.32%). Affected calves exhibited weakness, pale mucous membranes, loss of appetite, diarrhea, easily detached and lusterless hair. Results revealed that single infestation was (17.5%), whereas mixed infestation was (82.5%). Results of blood picture indicated significant increase in total erythrocyte count, hemoglobin concentration, packed cell volume, and significant decrease in total leukocyte count, at days 7, 14, 21 post treatment calves with Albendazole and (levamisole hydrochloride 3% and oxyclozanide 6%) compared with control group. Levamisole hydrochloride 3% and oxyclozanide 6% was more efficient against gastrointestinal parasites when compared with albendazole.
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