Nitrogen requirement and utilization in dairy cattle.

@article{Satter1975NitrogenRA,
  title={Nitrogen requirement and utilization in dairy cattle.},
  author={Larry D. Satter and R E Roffler},
  journal={Journal of dairy science},
  year={1975},
  volume={58 8},
  pages={1219-37}
}
Formulation of dairy cow rations should consider the following points regarding nitrogen utilization by lactating cows. (a) Maintenance of ruminal ammonia nitrogen in excess of 5 mg/100 ml rumen fluid has no effect on microbial protein production. (b)Supplemental nonprotein nitrogen is not utilized in typical dairy and feedlot beef rations containing more than 12 to 13% crude protein(dry matter basis). (c)Nonprotein nitrogen is approximately equal to true protein as a source of nitrogen in… CONTINUE READING

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