Fat and protein metabolism of growing steers fed either grass silage or dried grass

H. M. R. Greathead, J. M. Dawson, J. Craigon, V. A. Sessions, Nigel D. Scollan, P. J. Buttery

Research output: Contribution to journalArticlepeer-review

5 Citations (SciVal)

Abstract

Cattle fed grass silage diets have been reported to have high carcass fat:protein ratios. The effect of grass silage and dried grass diets, fed at different levels of intake to ensure a range of equivalent metabolisable energy intakes (MEI) from 1·1×metabolisable energy requirement for maintenance to ad libitum, on fat and protein metabolism in twenty-four Hereford×Friesian steers was investigated. After about 84d of dietary treatment rates of whole-body fat and protein metabolism were measured, as were rates of lipogenesis in omental, perirenal and subcutaneous adipose tissue. Carcass composition was determined. Animals fed silage had greater (P
Original languageEnglish
Pages (from-to)27-39
Number of pages13
JournalBritish Journal of Nutrition
Volume95
Issue number1
DOIs
Publication statusPublished - 01 Jan 2006

Keywords

  • ruminants
  • grass silage
  • dried grass
  • fat metabolism
  • protein metabolism
  • carcass composition
  • metabolisable energy

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