Article
Sire and liveweight affect feed intake and methane emissions of sheep confined in respiration chambers.
Animal : an international journal of animal bioscience - 1 Dec 2014
Robinson D L, Goopy J P, Donaldson A J, Woodgate R T, Oddy V H, Hegarty R S
Abstract excerpt
Daily methane production and feed intake were measured on 160 adult ewes, which were the progeny of 20 sires and 3 sire types (Merino, dual-purpose and terminal) from a genetically diverse flock. All animals were housed in individual pens and fed a 50/50 mix of chaffed lucerne and oaten hays at 20 g/kg liveweight (LW), with feed refusals measured for at least 10 days before the first of three 22-h measurements in...
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