Výsledky vyhledávání - "L. E. R. Dawson"

Effects of offering grass silage alone or in combination with lupin/triticale, lupin/wheat or pea/oat whole-crop silages on animal performance, meat quality and fatty acid composition of beef from cattle offered two levels of concentrate

Autor: David J Kilpatrick, P. C. Kennedy, A. M. Fearon, B. W. Moss, R. W. J. Steen, F. O. Lively, L. E. R. Dawson

Publikováno v: The Journal of Agricultural Science. 156:1017-1027

An experiment was carried out to examine the effects of offering beef cattle five silage diets. These were perennial ryegrass silage (PRGS) as the sole forage, tall fescue/perennial ryegrass silage (FGS) as the sole forage, PRGS in a 50:50 ratio on a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6762b71c010d24ec9a2bb962e8937f20
https://doi.org/10.1017/s0021859618001077

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Effects of offering lupins/triticale and vetch/barley silages alone or in combination with grass silage on animal performance, meat quality and the fatty acid composition of lean meat from beef cattle

Autor: David J Kilpatrick, F. O. Lively, P. C. Kennedy, L. E. R. Dawson, R. W. J. Steen, B. W. Moss, A. M. Fearon

Publikováno v: The Journal of Agricultural Science. 156:1005-1016

An experiment was carried out to examine the effects of offering beef steers grass silage (GS) as the sole forage, lupins/triticale silage (LTS) as the sole forage, a mixture of LTS and GS at a ratio of 70:30 on a dry matter (DM) basis, vetch/barley

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03833d82e31028fe2bc429b6697c937d
https://doi.org/10.1017/s0021859618000837

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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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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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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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Lipid content and fatty acid composition of the digital cushion of bulls offered different amounts of linseed1

Autor: L. E. R. Dawson, L.G. Baird, Niamh O'Connell, I.S. Young

Publikováno v: Journal of Animal Science. 88:2403-2409

Previous research suggests that the digital cushion, a shock-absorbing structure in the claw, plays an important role in protecting cattle from lameness. This study aimed to assess the degree to which nutritional factors influence the composition of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6171419d52b1d0f4ed29dcb39a46b85a
https://doi.org/10.2527/jas.2009-1972

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Effects of sire breed on ewe dystocia, lamb survival and weaned lamb output in hill sheep systems

Autor: D. Irwin, M. H. M. Speijers, Alan Gordon, A. F. Carson, L. E. R. Dawson

Publikováno v: Animal, Vol 4, Iss 3, Pp 486-496 (2010)

A study was carried out on six hill farms, located in the main hill regions of Northern Ireland, over three breeding seasons to investigate the effect of sire breed on ewe dystocia, lamb survival and weaned lamb output. On each farm, groups of 26 to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1b9efdd412a34abe180aad52e1b0be3
http://www.sciencedirect.com/science/article/pii/S1751731109991236

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Effects of plane of nutrition of ewes in early and mid-pregnancy on performance of the offspring: Female reproduction and male carcass characteristics1

Autor: Camila Munoz, A. W. Gordon, L. E. R. Dawson, M. A. McCoy, A. R. G. Wylie, A. F. Carson

Publikováno v: Journal of Animal Science. 87:3647-3655

This study investigated the effects of different planes of nutrition in early pregnancy (EP) and mid-pregnancy (MP) of crossbred ewes on carcass characteristics of male offspring and reproductive performance of female offspring. During EP (d 1 to 39

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::303ae55beb344d1edf563fef4bc3cedf
https://doi.org/10.2527/jas.2009-1842

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Nutritional status of adult ewes during early and mid-pregnancy. 2. Effects of supplementation with selenised yeast on ewe reproduction and offspring performance to weaning

Autor: A. F. Carson, Niamh O'Connell, Alan Gordon, M. A. McCoy, Camila Munoz, L. E. R. Dawson

Publikováno v: Animal, Vol 2, Iss 1, Pp 64-72 (2008)

The objective of this study was to determine the effects of selenium (Se) supplementation of mature ewes in the period from day −14 to day 90 post mating on Se status, productivity and viability of ewes and their offspring. Multiparous crossbred ew

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5fa4aed86b43d9f551d04ba766f6262f
https://doi.org/10.1017/s1751731107001073

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