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The Effects of Neomycin Inclusion in Milk Replacer on the Health, Growth, Performance, and Gut Function of Male Holstein Calves Preweaning

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Title: The Effects of Neomycin Inclusion in Milk Replacer on the Health, Growth, Performance, and Gut Function of Male Holstein Calves Preweaning
Author: Buss, Lauralise
Department: Department of Animal Biosciences
Program: Animal and Poultry Science
Advisor: Steele, Michael
Abstract: This thesis investigates the effects of neomycin inclusion in milk replacer on health and performance, as well as gut health and function in preweaned male Holstein calves. When investigating the effects of neomycin on health and performance, it was found that neomycin reduced the severity and length of diarrhea experienced by calves, as well as the number of days with diarrhea. However, few benefits were observed in other indications of health, including growth, feed efficiency, and respiratory illness. When investigating the effects of neomycin on gut health and function, minor alterations were observed in gene expression, fermentation, and histological measures of the gut, but little difference was observed in other metrics. Taken together, the findings of these studies suggest that the oral provision of neomycin in calf production provides little benefit and should be used prudently.
URI: https://hdl.handle.net/10214/25759
Date: 2021-04
Rights: Attribution-NonCommercial-NoDerivatives 4.0 International
Terms of Use: All items in the Atrium are protected by copyright with all rights reserved unless otherwise indicated.
Related Publications: Buss, L., T. T. Yohe, L. R. Cangiano, D. L. Renaud, A. J. Keunen, L. L. Guan, and M. A. Steele. In press. The effect of neomycin inclusion in milk replacer on the health, growth, and performance of male Holstein calves preweaning. J. Dairy. Sci. https://dx.doi.org/10.3168/jds.2020-19827.


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