Sodium requirement of milking cows: balance trials with cows on rations of freshly mown herbage and on winter rations.
Open Access
- 1 November 1964
- journal article
- Published by Wageningen University and Research in Netherlands Journal of Agricultural Science
- Vol. 12 (4) , 263-280
- https://doi.org/10.18174/njas.v12i4.17513
Abstract
Dairy cows were fed freshly mown herbage or winter rations which together with the drinking water gave Na intakes of betwen 5.8 and 91.0 g./day. The availability of the Na varied from 77 to 95% averaging 85.5%. The Na secretion in the milk averaged 0.38 g./l. varying from 0.31 to 0.49 g./l. The Na requirement for dairy cows with milk yields of 10-30 kg, /day when the Na was 75-95% available ranged from 10.0 to 23.3 g./day. D.E.C. (Abstract retrieved from CAB Abstracts by CABI’s permission)Keywords
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