Ruminal Nitrogen Recycling and Nitrogen Efficiency in Lactating Dairy Cattle
Excess nitrogen (N) excretion from animal agriculture results in reduced air and water quality, and poses a risk to human health. Although the dairy industry utilizes milk urea N (MUN) to monitor protein feeding and N excretion, phenotypic diversity among cows may influence MUN and thus bias feed m...
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| Format: | Others |
| Language: | en_US |
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Virginia Tech
2017
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| Online Access: | http://hdl.handle.net/10919/76829 http://scholar.lib.vt.edu/theses/available/etd-07242012-133749/ |