Use of grass and red clover silage mixtures for milk production and whole-body N partitioning by dairy cows

Jon M. Moorby, Naomi Mary Ellis, William J. Fisher, David R. Davies, Nigel D. Scollan

Research output: Chapter in Book/Report/Conference proceedingConference Proceeding (Non-Journal item)

Abstract

Twenty-four multiparous Holstein-Friesian dairy cows in mid lactation were used in a 4x4 Latin square changeover experiment with four 4-week periods to investigate the effect of altering the ratios of red clover (RC) and ryegrass silage (GS) in the forage component of their diet. Ratios (in the dry matter (DM)) were: R0, 0 RC:1 GS; R34, 0.34 RC:0.66 GS; R66, 0.66 RC:0.34 GS; R100, RC 1:0 GS. All cows received ad libitum access to their allocated forage with 4 kg of a standard concentrate per day. Results are presented in order of R0, R34, R66 and R100 respectively. Feed DM intakes (16.7, 17.8, 18.3, 19.0 kg d-1, s.e.d. 0.24, Plin
Original languageEnglish
Title of host publicationCultivating the Future Based on Science. Volume 2: Livestock, Socio-economy and Cross disciplinary Research in Organic Agriculture
Subtitle of host publicationProceedings of the Second Scientific Conference of the Internaltion Society of Organic Agriculture Research (ISOFAR)
Pages184-187
Number of pages4
Publication statusPublished - 10 Oct 2008
EventProceedings of the Second Scientific conference of the International Society of Organic Agriculture Research, held at the 16th IFOAM Organic World Congress - Modena, Italy
Duration: 16 Jun 200820 Jun 2008

Conference

ConferenceProceedings of the Second Scientific conference of the International Society of Organic Agriculture Research, held at the 16th IFOAM Organic World Congress
Country/TerritoryItaly
CityModena
Period16 Jun 200820 Jun 2008

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