Zobrazeno 1 - 10
of 85
pro vyhledávání: '"A.F. Carson"'
Publikováno v:
Animal, Vol 13, Iss 1, Pp 213-220 (2019)
A low finishing weight and poor carcass characteristics are major causes of lower incomes in extensive sheep flocks; however, the use of terminal sire crossbreeding would improve lamb performance and carcass traits under these conditions. The aim of
Externí odkaz:
https://doaj.org/article/06b7e0a3e2ab46f68c11315f2e631dbd
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://doaj.org/article/80f5b50ce8634e77bf39c67a7a16b7f7
Publikováno v:
Animal, Vol 6, Iss 6, Pp 909-919 (2012)
Sixty-five Holstein–Friesian calves were randomly allocated to one of eight nutritional treatments at 4 days of age. In this factorial design study, the treatments comprised of four levels of milk replacer (MR) mixed in 6 l of water (500, 750, 1000
Externí odkaz:
https://doaj.org/article/13184bd08bf04aa58e2c4910d6554a72
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://doaj.org/article/0f50c3cc89784c8aa1e6800a9782159e
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://doaj.org/article/4b4cd257ecc24cd2aeb73fc6a812971e
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://doaj.org/article/3700459983a04d3089bc6cd6e43c7de6
Publikováno v:
Animal, Vol 5, Iss 9, Pp 1432-1441 (2011)
Government policies relating to red meat production take account of the carbon footprint, environmental impact, and contributions to human health and nutrition, biodiversity and food security. This paper reviews the impact of grazing on these paramet
Externí odkaz:
https://doaj.org/article/b849742e4f974ba08b670d62661b34ef
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://doaj.org/article/3ba9dad582a64313920ca44682624e80
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://doaj.org/article/04246effeba14a67841ac1ba09b0d38c
Publikováno v:
Animal, Vol 3, Iss 5, Pp 657-669 (2009)
The objective of the present study was to determine the effect of plane of nutrition in early pregnancy (EP) and mid-pregnancy (MP), on the productive performance of 1- and 2-year-old ewes and their offspring. Over 2 successive years, between days 0
Externí odkaz:
https://doaj.org/article/88bd1702570c440c8af6e1daae010490