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Biuret and urea in concentrates for milking cows

, : Biuret and urea in concentrates for milking cows. J. Dairy Res, 35: 2, 191-202

2 experiments with (i) 18 cows and (ii) 21 cows were made to compare the feeding value for milk production of concentrates in which N normally supplied by oil cake was completely replaced by either biuret or urea. In (i) urea and biuret contributed 52% of total N in the concentrate and in (ii) they contributed 43%. Hay was fed as the sole roughage. The estimated energy intake in (i) was 102-104% of the Woodman standard and in (ii) it was 108-109%.


DOI: 10.1017/s0022029900018914

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