IVOMEC® (ivermectin) SR Bolus

An Overview of Efficacy, Safety and Effects on Bovine Productivity

Authors

  • Jorge Guerrero Merck Ag Vet, Rahway, NJ

DOI:

https://doi.org/10.21423/aabppro19975906

Keywords:

ivermectin, sustained release, gastrointestinal roundworm, lungworms, mange mite, sucking lice, cattle grub, tick, Amblyomma americanum

Abstract

The IVOMEC SR Bolus is a novel formulation of ivermectin designed to deliver a sustained release of 12 mg ivermectin per day for 135 days. The IVOMEC SR Bolus contains 1. 72 gm of ivermectin in a multicrystalline wax and is administered by oral route for lodging in the reticulorumen. It is highly effective against existing sustained release of gastrointestinal roundworms, lungworms, mange mites, sucking lice, cattle grubs and the tick, Amblyomma americanum. In addition, the bolus provides grazing cattle with 135 days of protection from reinfection with gastrointestinal roundworms and lungworms, as well as certain arthropod parasites. The IVOMEC SR Bolus is recommended for use in ruminating calves, older than 12 weeks of age that weigh between 275-660 lbs.

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Published

1997-09-18

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