A Meta-analysis of the Production Impacts of Monensin in Lactating Dairy Cattle

Authors

  • T. F. Duffield Department of Population Medicine, University of Guelph, Guelph, Ontario, Canada
  • A. R. Rabiee Strategic Bovine Services, Camden, NSW, Australia
  • I. J. Lean Strategic Bovine Services / University of Sydney, NSW, Australia

DOI:

https://doi.org/10.21423/aabppro20074605

Keywords:

propionic acid, rumen microbe, production impact, milk fat content, Meta-analysis

Abstract

Monensin increases propionic acid production through effects on rumen microbial populations. Recently, approvals for use on monensin have been obtained in Canada and the United States, while the product has been available for dairy cattle in many other countries such as Mexico, Australia and New Zealand for many years. The impact of monensin on production, especially on milk fat content have been inconsistent. Meta-analysis is a useful tool that can be employed to both summarize effects across studies and to investigate factors explaining potential heterogeneity of response.

Cover image of the 40th Conference Proceedings: A single longhorn standing next to a barbed-wire fence on a cloudy day. Yellow background.

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Published

2007-09-20

Issue

2007

Section

Research Summaries 3

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