TY - GEN AU - Aguerre,M J AU - Wattiaux,M A AU - Hunt,T AU - Larget,B R TI - Effect of dietary crude protein on ammonia-N emission measured by herd nitrogen mass balance in a freestall dairy barn managed under farm-like conditions SN - 1751-732X PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1017/S1751731110000248 ER -