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Take charge of what’s bugging your cattle

Controlling parasites can help you get the most from your livestock. That’s why Merck Animal Health offers a variety of options to help manage internal and external parasites.  

Select a category below to explore our range of parasite control options designed to help you and your veterinarian manage parasites.

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Endoparasiticides

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Ectoparasiticides

When it comes to internal parasite control, you want to trust more than your gut

Internal parasite infestations in cattle have been showed to reduce feed intake, weight gain, feed efficiency and animal’s ability to fight disease.1,2,3 This is why it is important to help reduce the worm burden both in animals and on pasture through strategic deworming.

Learn more about strategic deworming

Consult your veterinarian for assistance in the diagnosis, treatment and control of parasitism.

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References

  1. Snider TG, Williams JC, Karns PA, Romaire TL, Trammel HE, and Kearney MT. Immunosuppression of lymphocyte blastogenesis in cattle infected with Ostertagia ostertagi and/or Trichostrongylus axei. Vet. Immunol. Immunopathol. (1986) 11:251–264.
  2. Wiggin CJ, and Gibbs HC. Adverse immune reactions and the pathogenesis of Ostertagia ostertagi infections in calves. Am. J. Vet. Res. (1990) 51:825–832.
  3. Gómez-Muñoz MT, Canals-Caballero A, Almeria S, Pasquali P, Zarlenga DS, and Gasbarre LC.  Inhibition of bovine T lymphocyte responses by extracts of the stomach worm Ostertagia ostertagi. Vet. Parasitol. (2004) 120:199–214.