Veterinarians and producers generally recognize that control of internal parasites is critical and cost-effective, particularly in calves and replacement heifers. In the mature cow herd, however, where the effects of parasitism are mostly subclinical, the benefits of treatment can be less obvious. Nevertheless, an appropriate parasite-control program in the cow herd can protect against loss of body condition, reduced immunity and reproductive losses. And, due to the wide variation in cow-calf production environments and management practices, ranchers can benefit by working with their veterinarians to identify and execute a customized control program and monitor its results. Read more at Bovine Vet Online…