Zobrazeno 1 - 10 of 10 pro vyhledávání: '"R. W. Annett"'
1
Effects of replacing grass silage with either maize silage or concentrates during late pregnancy on the performance of breeding ewes fed isonitrogenous diets
Autor: R. W. Annett, A. F. Carson, Alan Gordon
Publikováno v: Animal, Vol 7, Iss 6, Pp 957-964 (2013)
A study was undertaken to investigate the performance of breeding ewes fed a range of forage and concentrate-based diets in late pregnancy, balanced for supply of metabolizable protein (MP). For the final 6 weeks before lambing, 104 twin-bearing mult
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e328f4d37f6effb421e0c0345a342af
https://doi.org/10.1017/s1751731112002212
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2
Effects of breed and age on the performance of crossbred hill ewes sourced from Scottish Blackface dams
Autor: L. E. R. Dawson, D. J. Kilpatrick, R. W. Annett, D. Irwin, A. F. Carson
Publikováno v: Animal, Vol 5, Iss 3, Pp 356-366 (2011)
The aim of this study was to evaluate the effects of age and breed on the reproductive performance and lamb output of crossbred hill ewes relative to purebred Scottish Blackface (BF). BF ewes were compared alongside Swaledale (SW) × BF, North Countr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95ff854f2dee6932325728f98866e0ce
https://doi.org/10.1017/s1751731110002090
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3
Comparison of the longevity and lifetime performance of Scottish Blackface ewes and their crosses within hill sheep flocks
Autor: L. E. R. Dawson, A. F. Carson, D. Irwin, R. W. Annett, Alan Gordon, D. J. Kilpatrick
Publikováno v: Animal, Vol 5, Iss 3, Pp 347-355 (2011)
A study was undertaken to compare the longevity and lifetime lamb output of purebred Scottish Blackface (BF) ewes with a range of crossbred genotypes from Scottish BF dams. For up to five successive breeding seasons, 1143 Scottish BF, Swaledale × BF
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e01326d04ea3b7d1ab147cda7d7e855
http://www.sciencedirect.com/science/article/pii/S1751731110002107
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4
Effects of dam breed and dietary source of n-3 polyunsaturated fatty acids on the growth and carcass characteristics of lambs sourced from hill sheep flocks
Autor: A. F. Carson, L. E. R. Dawson, D. J. Kilpatrick, R. W. Annett
Publikováno v: Animal, Vol 5, Iss 7, Pp 1023-1035 (2011)
The objectives of this study were to investigate the effect of dietary lipid source on the growth and carcass characteristics of lambs sourced from a range of crossbred hill ewes. Over a 2-year period, 466 lambs representing the progeny of Scottish B
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::946383131bc0b9e77186dcb490c4d2f8
http://www.sciencedirect.com/science/article/pii/S1751731110002703
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5
Effects of supplementation with fish oil and barium selenate on performance, carcass characteristics and muscle fatty acid composition of late season lamb finished on grass-based or concentrate-based diets
Autor: D. J. Kilpatrick, A. M. Fearon, R. W. Annett, A. F. Carson
Publikováno v: Animal, Vol 5, Iss 12, Pp 1923-1937 (2011)
The objectives of this study were to investigate the effects of fish oil supplementation on performance and muscle fatty acid composition of hill lambs finished on grass-based or concentrate-based diets, and to examine the interaction with selenium (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ec2fd37f7151e3cbfa80fd85b87d64e
https://doi.org/10.1017/s1751731111000966
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6
Effects of plane of nutrition during the first month of pregnancy on conception rate, foetal development and lamb output of mature and adolescent ewes
Autor: A. F. Carson, R. W. Annett
Publikováno v: Animal Science. 82:947-954
Embryo transfer studies have demonstrated that high plane feeding in early pregnancy is detrimental to the successful establishment of pregnancy in adolescent but not mature ewes. To further examine this relationship with ewes that conceive naturally
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27903d9f84cefac024888765c33ed614
https://doi.org/10.1017/asc2006111
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9
Effects of replacing grass silage with maize silage or concentrates on lamb output from housed pregnant ewes
Autor: R W Annett, A F Carson
Publikováno v: Proceedings of the British Society of Animal Science. 2009:69-69
Rations for pregnant ewes in the UK are often based on grass silage. However, due to a number of factors, the cost of producing high quality grass silage has increased significantly in recent years so lower cost alternatives need to be investigated.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaa36aa24c2e3c20479b8a8c21187ca1
https://doi.org/10.1017/s1752756200029082
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10
Lifetime performance of crossbred ewes in the hill sheep sector
Autor: D J Kilpatrick, L. E. R. Dawson, D. Irwin, A. F. Carson, R W Annett
Publikováno v: Proceedings of the British Society of Animal Science. 2009:72-72
Hill sheep flocks in the UK are dominated by purebred ewe genotypes, with the Scottish Blackface being the most common. However a long term decline in economic returns, combined with recent changes to the Common Agricultural Policy, has lead many hil
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8483188fdf74a9677fb40556cf8928a
https://doi.org/10.1017/s1752756200029112
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