Critical analysis of N balance experiments with lactating cows
作者： M. Spanghero , Z.M. Kowalski
DOI: 10.1016/S0301-6226(97)00138-3
关键词: Regression analysis 、 Milk yield 、 Mathematics 、 Nitrogen balance 、 Urine 、 Food science 、 Positive skewness
摘要: … A review of nitrogen balance trials with lactating dairy cows, … high values of N balance (NB = N intake-faecal N-urinary N-milk N), … results from N balance trials with lactating dairy cows to: …
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