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Abstract
Two experiments were conducted to measure the impact of different anthelmintic strategies, in addition to the use of plant extracts, on animal performance of recently weaned beef cattle in the Southeast United States. Experiment 1 studied the effects of concurrent use of oral suspended oxfendazole and intradermal eprinomectin compared to using a single anthelmintic at weaning. Concurrent anthelmintic use increased average daily gain (ADG) compared to the control group and oral suspended oxfendazole provided the greatest value when to the control group. Experiment 2 measured the effect of garlic oil and cinnamaldehyde on growth performance characteristics compared to monensin in stocker cattle. The blend did not increase ADG when compared to the control group, but the blend may have a diet dependent effect on carcass characteristics.