KATE HEPWORTH, MIKE NEARY, AND TERRY HUTCHENS
Internal parasites are a significant threat facing today’s small ruminant producer. Problems associated with parasites, particularly those of the gastrointestinal tract of sheep and goats can cause irreversible damage or even death to the animal, reduced performance and economic loss for the producer. Animals that are overburdened with parasites can be hindered in their reproductive performance, experience reduced growth rates, and become less productive overall, whether their purpose be meat, fiber, or milk. Prevention and control of the parasites that infect sheep and goats are becoming increasingly difficult due to generations of overuse and improper use of the available anthelmintic dewormers, which results in increasing resistance by parasites to common anthelmintics.
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