Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake

Monensin is known to improve feed efficiency in cattle. At higher doses, however, monensin reduces the palatability of mineral supplements, which may reduce consumption of essential minerals such as selenium. The main objective of this study was to compare weight gain, while evaluating the impact on...

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Main Authors: Gabriele Maier, Tanapon Sukkankah, Josh Davy, Larry Forero, Berit Bangoura, Matthew Torcal, Sharif Aly
Format: Article
Language:English
Published: University of California Agriculture and Natural Resources 2024-08-01
Series:California Agriculture
Online Access:https://doi.org/10.3733/001c.122394
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author Gabriele Maier
Tanapon Sukkankah
Josh Davy
Larry Forero
Berit Bangoura
Matthew Torcal
Sharif Aly
author_facet Gabriele Maier
Tanapon Sukkankah
Josh Davy
Larry Forero
Berit Bangoura
Matthew Torcal
Sharif Aly
author_sort Gabriele Maier
collection DOAJ
description Monensin is known to improve feed efficiency in cattle. At higher doses, however, monensin reduces the palatability of mineral supplements, which may reduce consumption of essential minerals such as selenium. The main objective of this study was to compare weight gain, while evaluating the impact on blood selenium concentrations, among treatment and control groups of stocker calves supplemented with a self-fed mineral supplement designed to deliver different amounts of monensin, while the control group received the same mineral without monensin. A secondary objective was to compare the presence of pathogenic and total coccidia oocysts. At study end, all monensin treatment groups weighed more than the control group but were not different from each other. No effect was detected on coccidia oocysts. In sum, there is a production gain from providing monensin in a mineral supplement to weaned calves on pasture. However, too high a dose may lead to insufficient trace mineral consumption. This is a concern in areas where forage is deficient in these nutrients.
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institution Kabale University
issn 0008-0845
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language English
publishDate 2024-08-01
publisher University of California Agriculture and Natural Resources
record_format Article
series California Agriculture
spelling doaj-art-72d10ffa972243ddafe5515d3da0cc392025-01-28T22:11:31ZengUniversity of California Agriculture and Natural ResourcesCalifornia Agriculture0008-08452160-80912024-08-01783-4Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intakeGabriele MaierTanapon SukkankahJosh DavyLarry ForeroBerit BangouraMatthew TorcalSharif AlyMonensin is known to improve feed efficiency in cattle. At higher doses, however, monensin reduces the palatability of mineral supplements, which may reduce consumption of essential minerals such as selenium. The main objective of this study was to compare weight gain, while evaluating the impact on blood selenium concentrations, among treatment and control groups of stocker calves supplemented with a self-fed mineral supplement designed to deliver different amounts of monensin, while the control group received the same mineral without monensin. A secondary objective was to compare the presence of pathogenic and total coccidia oocysts. At study end, all monensin treatment groups weighed more than the control group but were not different from each other. No effect was detected on coccidia oocysts. In sum, there is a production gain from providing monensin in a mineral supplement to weaned calves on pasture. However, too high a dose may lead to insufficient trace mineral consumption. This is a concern in areas where forage is deficient in these nutrients.https://doi.org/10.3733/001c.122394
spellingShingle Gabriele Maier
Tanapon Sukkankah
Josh Davy
Larry Forero
Berit Bangoura
Matthew Torcal
Sharif Aly
Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake
California Agriculture
title Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake
title_full Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake
title_fullStr Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake
title_full_unstemmed Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake
title_short Monensin supplementation increases weight gain in stocker steers, but higher doses reduce essential mineral intake
title_sort monensin supplementation increases weight gain in stocker steers but higher doses reduce essential mineral intake
url https://doi.org/10.3733/001c.122394
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