Determining Relationships Between Milk Urea Nitrogen, Feeding Management, Reproduction and Environmental Indicators in Commercial Dairy Herds PDF Download

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Determining Relationships Between Milk Urea Nitrogen, Feeding Management, Reproduction and Environmental Indicators in Commercial Dairy Herds

Determining Relationships Between Milk Urea Nitrogen, Feeding Management, Reproduction and Environmental Indicators in Commercial Dairy Herds PDF Author: Pipat Arunvipas
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Languages : en
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Book Description
Cow-level milk urea nitrogen (MUN) is widely available for monthly milk testing on many dairy farms and therefore it provides an opportunity to be utilized as a predictor for other farm parameters if there was a clear understanding of the relationships between MUN and these parameters. This thesis examined the associations between MUN and reproductive performance, fecal nitrogen (N) and groundwater nitrate-nitrogen contamination in order to determine whether MUN was indicative of reduced reproductive performance or elevated fecal N or groundwater nitrate-N. The perceived and actual utility of MUN as an effective tool for monitoring protein and energy imbalances in dairy cows was also investigated.