Zobrazeno 1 - 10
of 216
pro vyhledávání: '"N.E. O'Connell"'
Publikováno v:
Irish Journal of Agricultural and Food Research, Vol 60, Iss 1, Pp 91-101 (2021)
The objective of this study was to investigate the effect of genetic merit of the national Irish maternal index and genotype (i.e. beef vs. beef × dairy [BDX]) of beef cows and subsequent performance of their progeny. With the exception that high ge
Externí odkaz:
https://doaj.org/article/d3fa5ecfed0943da9b0b0ae9a9eec784
Publikováno v:
Animal, Vol 14, Iss 8, Pp 1768-1776 (2020)
Feed costs account for the largest proportion of direct cost within suckler beef production systems. By identifying the cow type with enhanced capability of converting grazed herbage to beef output across lactations, suckler cow systems would become
Externí odkaz:
https://doaj.org/article/076320c9e92e477f90b837214b776a26
Publikováno v:
Animal, Vol 13, Iss 1, Pp 171-179 (2019)
There is currently a lack of research investigating the effectiveness of commercial broiler enrichments, and in particular the ability of these additions to create opportunities for positive welfare. One aim of this study was to investigate whether o
Externí odkaz:
https://doaj.org/article/645374ca8b2e4b1781a205a0fe01f8a5
Publikováno v:
Animal, Vol 13, Iss 3, Pp 631-639 (2019)
Two contrasting replacement strategies are used by Irish beef farmers to select replacement females – animals sourced from within the suckler beef herd and sourced from the dairy herd. The objective of this study was to investigate the effect of re
Externí odkaz:
https://doaj.org/article/456adcd14dc8498a869398dc875114c8
Autor:
M.W. Little, A.R.G. Wylie, N.E. O’Connell, M.D. Welsh, C. Grelet, M.J. Bell, A. Gordon, C.P. Ferris
Publikováno v:
Animal, Vol 13, Iss 4, Pp 799-809 (2019)
Concentrate inclusion levels in dairy cow diets are often adjusted so that the milk yield responses remain economic. While changes in concentrate level on performance is well known, their impact on other biological parameters, including immune functi
Externí odkaz:
https://doaj.org/article/7ba385f27cc841bf8f83a049bb60053c
Publikováno v:
Animal, Vol 12, Iss 9, Pp 1933-1941 (2018)
Provision of an appropriate dustbathing substrate may allow broiler chickens to satisfy a natural motivation and give them an opportunity to exercise. The main aim of this study was to evaluate the extent to which different substrates promote dustbat
Externí odkaz:
https://doaj.org/article/a6da9cdcaac349529fb02cf09913cdb6
Publikováno v:
Animal, Vol 11, Iss 2, Pp 261-273 (2017)
There is increasing interest in the use of continuous housing systems for dairy cows, with various reasons put forward to advocate such systems. However, the welfare of dairy cows is typically perceived to be better within pasture-based systems, alth
Externí odkaz:
https://doaj.org/article/087dae81eee64ec486e1762ed85983db
Publikováno v:
Animal, Vol 10, Iss 3, Pp 460-467 (2016)
There is increasing interest in developing abattoir-based measures to assist in determining the welfare status of pigs. The primary aim of this study was to determine the most appropriate place on the slaughter line to conduct assessments of welfare-
Externí odkaz:
https://doaj.org/article/5cad949ece8c410fa2850354607aff79
Autor:
C.L. Bailie, N.E. O’Connell
Publikováno v:
Animal, Vol 9, Iss 4, Pp 660-668 (2015)
The aim of this study was to assess the effect of providing environmental enrichment in the form of perches and string on the behaviour and welfare of commercial broiler chickens. Houses containing ~23 000 broiler chickens were assigned to one of fou
Externí odkaz:
https://doaj.org/article/9dc23df5c7e94d22835739341e80e71a
Autor:
C.L. Bailie, N.E. O’Connell
Publikováno v:
Animal, Vol 8, Iss 10, Pp 1715-1721 (2014)
This study aimed to assess the effect of the number of straw bales (SBs) provided on the behaviour and leg health of commercial broiler chickens. Houses containing ~23 000 broiler chickens were assigned to one of two treatments: (1) access to 30 SBs
Externí odkaz:
https://doaj.org/article/0f2fe6e5f3364dd9a453b2b79bc1bbe2