Evaluation of the Impact of Ivermectin Treatment on the Growth and Reproductive Performance of Replacement Beef Heifers

Authors

  • W. Ryan Merck Ag Vet, PO Box 2000, Rahway, NJ, 07065-0912
  • J. Brown Merck Ag Vet, SL Louis, Missouri
  • L. Corah Kansas State University, Manhattan, Kansas
  • D. Doombos Montana State University, Havre, Montana
  • A. Loyacano Louisiana State University Agricultural Centre, Alexandria, Louisiana
  • M. Spire Kansas State University, Manhattan, Kansas

DOI:

https://doi.org/10.21423/aabppro19926410

Keywords:

parasite control, ivermectin, critical minimum weight, conception, breeding season

Abstract

A series of studies was undertaken to determine if parasite control obtained with strategic use of ivermectin would result in animals attaining CMW at an earlier age, leading to a higher rate of conception at first mating and allowing a short breeding season.

Cover image of the First Volume of the 25th Conference Proceedings: An earl-morning photo of farmland. A small farm is nestled among rolling hills, fields stretching across a curving road that disappears between dark green trees. The barn is a cheery red color with a tin roof. Beneath the photo is the a statement of the conference's theme in white italics: Challenges of the Bovine Industry in the Twenty-First Century. Deep red background.

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Published

1992-08-31

Issue

1992: Volume 1

Section

Helminthology and Anthelmintics