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You need parasite treatment and control that works. And EPRINEX® delivers. It controls 39 species and stages of internal and external parasites with up to 99% efficacy and no milk withholding.1

  • Multiple studies show that eliminating low (subclinical) parasite burdens produced a consistent increase in milk production.2,3
  • In a study including 28 herds and 954 cows, cattle treated with EPRINEX at calving showed a consistent increase in daily milk production of 2.07 lbs. per day in the first 6 months of lactation, compared to the placebo group (P<0.002).4
  • The only endectocide labeled for control of both Chorioptic (tailhead) mange and Sarcoptic mange in lactating dairy cows.
  • In a study, first-calf dairy heifers treated with EPRINEX required 12.9 fewer days (P<0.05) to conception. A 58% pregnancy rate was achieved, which was 19.9% higher than the control group.5
  • EPRINEX provides added convenience and is safe for all ages, including calves, heifers and dry and lactating cows. And, it requires no milk or meat withdrawal.

We love to watch it work.
Check out the EPRINEX® (eprinomectin) dairy videos.


Painful Deaths Afterlife Why 39?

IMPORTANT SAFETY INFORMATION: No meat or milk withdrawal is required when used according to label. Do not use in calves intended for veal or unapproved animal species as severe adverse reaction, including fatalities in dogs, may result.

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1 Based on FOI summaries and label claims.

2 Gross SJ, Ryan WG, Ploeger HW. Anthelmintic treatment of dairy cows and its effect on milk production. The Veterinary Record. 1999.

3 Sanchez J., et al. A meta-analysis of the milk-production response after anthelmintic treatment in naturally infected adult dairy cows. Preventative Veterinary Medicine 2004;63:237-256.

4 Nodtvedt A., et al. Increase in milk yield following eprinomectin treatment at calving in pastured dairy cattle. Veterinary Parasitology 2002;105:191-206.

5 McPherson WB, Sacek B, Familton A, Gogolewski RP, Ryan WG, Gross SJ. The impact of Eprinomectin treatment on dairy cattle reproductive performance, in Proceedings.
  44th Annual Meeting American Association of Veterinary Pathologists 1999;41.