Efficacy of targeted anthelmintic treatment for suppression of the peri-parturient egg rise in ewes and impact on 50-day lamb weights
This study was conducted to determine whether targeted anthelmintic treatment of peri-parturient ewes lambing in the winter, spring and/or autumn would suppress the peri-parturient egg rise (PPER) and improve 50-day lamb weights. Three farms in Ontario, Canada, that practiced out-of-season lambing w...
A survey of farm management practices and their associations with anthelmintic resistance in sheep flocks in Ontario, Canada
To describe parasite control and farm management practices commonly used by Ontario sheep farmers, and to determine whether any of these practices were associated with the level of anthelmintic resistance (AR) to ivermectin, fenbendazole or levamisole, we conducted fecal egg count reduction (FECR) t...