Nutritional, managerial, physiological, and environmental factors affecting milk urea nitrogen in Quebec Holstein cows : a field trial
This trial was carried out in order to elucidate factors affecting milk urea nitrogen (MUN). Twenty-five herds were selected for MUN testing. Three sampling periods were chosen. The first occurred during the months of March and April, the second during July and August, and the third during November...
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| Format: | Others |
| Language: | en |
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McGill University
2000
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| Online Access: | http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30815 |