Zobrazeno 1 - 10
of 84
pro vyhledávání: '"R. W. J. Steen"'
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
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
Publikováno v:
Animal Science. 82:397-404
A total of 180 Holstein-Friesian male calves, mean age and live weight (LW) at start of the study 112 (s.d. 26·0) days and 134 (s.d. 37·6) kg, respectively, were used to evaluate the effect of slaughter weight on food efficiency and animal performa
Publikováno v:
Grass and Forage Science. 60:244-253
The effects of offering a range of grass silages and mixtures of grass and maize silages on the intake of beef cattle were studied. Four grass silages (GS1, GS2, GS3 and GS4) were used. Grass silage 1 was ensiled from a second regrowth in mid-late Se
Autor:
R. W. J. Steen
Publikováno v:
Grass and Forage Science. 57:401-404
The effects of turning beef cattle out to pasture earlier in the spring than is conventional in Northern Ireland on performance until slaughter in late summer were examined. Thirty-eight steers, which were initially 525 kg live weight (LW), were divi
Publikováno v:
Grass and Forage Science. 57:279-291
An experiment was carried out over 2 years to evaluate the effects of increasing the proportion of cereal-based concentrates in diets containing high-digestibility and conventional medium-digestibility grass silages on the dry-matter (DM) intake, liv
Autor:
C. P. Ferris, David J Kilpatrick, L. E. R. Dawson, R. W. J. Steen, F. J. Gordon, R. M. Kirkland
Publikováno v:
Grass and Forage Science. 57:255-267
Two experiments were carried out in consecutive years to examine the influence of cutting date and restricting fermentation by carboxylic acid treatment on the nutrient intake from grass silage by beef cattle. In year 1, four cutting dates during Jul
Publikováno v:
Journal of Environmental Quality. 29:1233-1238
Loss of organic N in land drainage may contribute to water pollution. This study was conducted to quantify the loss of organic nitrogen in drainage water from grazed grassland (Lolium perenne L. cv. Talbot) swards receiving a range of fertilizer N in
Publikováno v:
Animal Science. 71:93-109
As part of an investigation of factors responsible for a previously reported lower efficiency of carcass lean gain in steers offered grass silage diets, 16 Simmental × Friesian steers (515 (s.e. 6·4) kg) were offered perennial ryegrass silage ad li
Publikováno v:
Animal Science. 70:171-179
A total of 45 continental bulls (1/2 Blonde d'Aquitaine/3/8 Charolais) were used in a continuous design randomized-block experiment, to examine the effects of the ratio of silage to concentrates in the diet on growth and carcass parameters. The propo