AI Article Synopsis
- Five groups of cattle were treated with various anthelmintics (moxidectin, ivermectin, levamisole phosphate, and albendazole sulphoxide) to assess their effectiveness in reducing fecal parasite eggs.
- Levamisole showed the highest reduction in egg count (97.4%) after 24 hours, while moxidectin and albendazole sulphoxide were effective after 36 hours with reductions of 98.3% and 95.9%, respectively.
- The study found that Cooperia spp. and Haemonchus spp. were resistant to ivermectin, and egg count assessments can indicate parasite resistance within seven days post-treatment.
Article Abstract
To evaluate the necessary time and to identify the differences among anthelmintics for the reduction of parasite eggs shed in feces, five groups of cattle were treated with moxidectin, ivermectin, levamisole phosphate, and albendazole sulphoxide. Levamisole promoted a reduction in egg count per gram (EPG-R) of 97.4% after 24 hours, moxidectin 98.3% after 36 hours, and albendazole sulphoxide 95.9% after 36 hours post- treatment. Cooperia spp. and Haemonchus spp. showed resistance to ivermectin. The results demonstrated that the diagnosis of parasite resistance in cattle can be based on a count of eggs per gram (EPG) carried out as soon as seven days after the treatment.
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| http://dx.doi.org/10.1590/s1984-29612010000300011 | DOI Listing |
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