He says a fall parasite control treatment not only will help ensure that the vaccination program is as successful as possible, but will help reduce pasture parasite loads and clear cattle of parasites before winter. To achieve these benefits, Navarre says timing is key. She encourages producers to rethink what herd health practice determines when they work cattle.
“The timing of parasite control is so important that I try to time vaccinations to when parasite control is necessary, not the other way around,” Navarre says. “I want to know that timing for parasite control is right because it is more critical than timing for vaccination in many herds.”
1Maas J. Fact Sheet No. 8: Quality Assurance and Vaccines. School of Veterinary Medicine University of California-Davis. Accessed May 28, 2009.
2Wiggin C, et al. Studies of the immunomodulatory effects of low-level infection with Ostertagia ostertagi in calves. American Journal of Veterinary Research 1989;50(10):1764-1770.
3Ballweber LR. Ruminant parasitology. Veterinary Clinics of North America Food Animal Practice 2006:550-562.