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dc.contributor.author Miller, L. A.
dc.contributor.author Scollan, Nigel D.
dc.contributor.author MacRae, John C.
dc.contributor.author Humphreys, Mervyn O.
dc.contributor.author Baker, D. H.
dc.contributor.author Theodorou, Michael K.
dc.contributor.author Moorby, Jon M.
dc.date.accessioned 2009-11-04T15:18:40Z
dc.date.available 2009-11-04T15:18:40Z
dc.date.issued 2009-11-04
dc.identifier.citation Miller , L A , Scollan , N D , MacRae , J C , Humphreys , M O , Baker , D H , Theodorou , M K & Moorby , J M 2009 , ' Efficiency of nitrogen use in dairy cows grazing ryegrass with different water soluble carbohydrate concentrations ' pp. 10-21 . en
dc.identifier.other PURE: 135871
dc.identifier.other dspace: 2160/3426
dc.identifier.uri http://hdl.handle.net/2160/3426
dc.description Miller, L. A., Baker, D. H., Theodorou, M. K., MacRae, J. C., Humphreys, M. O., Scollan, N. D., Moorby, J. M. (2001). Efficiency of nitrogen use in dairy cows grazing ryegrass with different water soluble carbohydrate concentrations. Grassland Ecosystems: An Outlook into the 21st Century. Proceedings 19th International Grassland Congress, Sao Paulo, Brazil, 10-21 February 2001, Gomide, J. A.Mattos, W. R. S.Carneiro da Silva, S. Fundacao Estudos Agrarios Luiz Queiroz (Fealq), Piracicaba, ISBN:8571330107, 377-378 en
dc.description.abstract This experiment is one of a series designed to investigate the efficiency of nitrogen (N) use in Holstein-Friesian dairy cows grazing perennial ryegrass (Lolium perenne) which has been bred to express high water soluble carbohydrate (WSC) concentrations. Animals grazed either a High Sugar (HS) grass or a Control (C) variety chosen on the basis of heading date compatibility. Dry matter (DM) intakes were estimated using herbage mass. Milk yields, milk constituent concentrations and plasma concentrations of b-hydroxybutyrate, glucose, total protein, albumin and urea were also measured. Forage DM intakes were similar for the two grasses. However, because of differences in the nitrogen content of the varieties (128 vs 176 g crude protein (CP) kg-1 DM; s.e.d. 10.5; P en
dc.format.extent 12 en
dc.language.iso eng
dc.relation.ispartof en
dc.title Efficiency of nitrogen use in dairy cows grazing ryegrass with different water soluble carbohydrate concentrations en
dc.type Text en
dc.type.publicationtype Conference paper en
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Non peer reviewed en


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