全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
中外文文献  中文文献  外文文献
作者:T.W.J. Keady , D.J. Kilpatrick ...
来源:[J].Livestock Science(IF 1.249), 2008, Vol.119 (1), pp.1-11Elsevier
摘要:Abstract(#br)A partially balanced change-over design experiment, consisting of four 3-week periods, was undertaken to evaluate the effects of stage of maturity of maize silage at harvest, when included in the forage component of two contrasting feed value grass silage based diets...
作者:T.W.J. Keady , J.P. Hanrahan
来源:[J].Livestock Science(IF 1.249), 2011, Vol.143 (1), pp.15-23Elsevier
摘要:Abstract(#br)The effects of (i) frequency of herbage allocation and (ii) herbage allowance on ewe and subsequent lamb performance, when autumn-saved (extended grazed, deferred grazed) pasture is grazed (between 28 Nov and 30 Jan) by spring lambing ewes during mid gestation, were ...
作者:T.W.J. Keady , J.P. Hanrahan ...
来源:[J].Livestock Science(IF 1.249), 2010, Vol.132 (1), pp.135-144Elsevier
摘要:Abstract(#br)Breeding objectives for meat sheep in Ireland have been defined and used in the development of selection sub-indices to provide commercial producers with an economic comparison of animals for specific performance trait groups. Using trait-by-trait bio-economic m...
作者:T.W.J. Keady , C.S. Mayne ...
来源:[J].Journal of Dairy Science(IF 2.566), 2001, Vol.84 (6), pp.1468-1479Elsevier
摘要:Abstract(#br)The effects of level of concentrate feeding in late gestation on feed intake, milk yield, milk composition, and fertility in the subsequent lactation were evaluated in a randomized block design experiment involving 60 cows. Grass silage was offered ad libitum for the...
作者:T.W.J. Keady , C.S. Mayne
来源:[J].Animal Feed Science and Technology(IF 1.608), 1999, Vol.81 (1), pp.57-68Elsevier
摘要:Abstract(#br)A partially balanced changeover design experiment was undertaken to evaluate the effects of level of fish oil inclusion in the diet on rumen fermentation parameters and digestion with 10 beef cattle offered grass silage ad libitum as the basal forage supplemente...
作者:... M.A. McCoy , T.W.J. Keady , D.J. Kilpatrick
来源:[J].Journal of Dairy Science(IF 2.566), 2009, Vol.92 (5), pp.2174-2182Elsevier
摘要:Abstract(#br)The aim of the present study was to assess the effects of Holstein-Friesian (HF) and Norwegian (N) dairy cattle genotypes on lameness parameters in dairy cattle within different production systems over the first 2 lactations. Following calving, HF (n = 39) and N...
作者:... C.S. Mayne , T.W.J. Keady , R.E. Agnew
来源:[J].Journal of Dairy Science(IF 2.566), 2006, Vol.89 (3), pp.1031-1042Elsevier
摘要:Abstract(#br)The data used in the present study were derived from a 2 (genotype) × 2 (plane of nutrition) factorial design production study using Holstein-Friesian (n = 32) and Norwegian (n = 32) first-lactation dairy cattle offered grass silage-based diets from 1 to 44 wk o...

我们正在为您处理中,这可能需要一些时间,请稍等。

资源合作:cnki.scholar@cnki.net, +86-10-82896619   意见反馈:scholar@cnki.net

×