Results 261 to 270 of about 2,874 (296)

The response of spring calving cows and their calves to sward height

Proceedings of the British Society of Animal Production (1972), 1986
There is a need to introduce objectivity into the management of grassland under continuous stocking so that management decisions can be taken in response to changing conditions, and at the same time allow the consequence of these decision to be predictable.
I.A. Wright, A.J.F. Russel
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Sward Height and a Capacitance Probe for Estimating Herbage Mass

Journal of Agronomy and Crop Science, 1990
AbstractEstimation of herbage mass is essential in pasture research and in making practical grazing management decisions. Sward height and a capacitance probe were evaluated as non‐destructive measures of herbage mass at seven dates from April 16 to July 30 on continuously grazed predominantly Kentucky bluegrass (Poa pratensis L.) pasture.
W. B. Bryan, W. V. Thayne, E. C. Prigge
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The Effect of Sward Surface Height on Ewe and Lamb Performance

Proceedings of the British Society of Animal Production (1972), 1987
Sward Surface Height (SSH) can be used as a guide for grazing control and recommendations are available for target SSH at various times of the year and at different levels of performance (Hodgson et al 1986).188 mule ewes with Suffolk cross lambs were allocated to 2 target SSH, 1-6 cm and 6-8 cm. Each treatment was replicated twice and balanced for ewe
B J Keeling, C K Mackie, M E King, C W Watt   +3 more
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Lamb growth performance and rate of finishing In relation to sward height and herbage mass on set-stocked swards

Proceedings of the British Society of Animal Production (1972), 1987
Experiments designed to test animal responses to sward manipulation suggest that ewe performance and lamb growth are positively related to herbage mass and thus sward height (1,2,3,). From this component research, it is suggested that to maximise herbage production and animal performance during the main grazing season, sward heights should be ...
M. Lloyd, G. Swift, S. Swanston, A. Hunter, J. M. Doney   +4 more
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Performance of a summer lambing flock grazing clover rich swards maintained at two sward surface heights

Proceedings of the British Society of Animal Production (1972), 1991
There is increasing interest in the development of later lambing systems for crossbred ewes which more closely match ewe nutritional requirements with grass growth (Stone, 1988). Lambing a proportion of the flock during summer potentially ensures a better continuity of lamb supply but the superior growth rate of summer born lambs dictates that ...
Linda M Mitchell, Margaret E King, C.K. Mackie   +2 more
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The effects of including white clover in perennial ryegrass swards and the height of mixed swards on the milk production, sward selection and ingestive behaviour of dairy cows

Animal Science, 1998
AbstractTwo experiments were conducted with dairy cows to examine the effects of including white clover in perennial ryegrass swards and of offering the cows a choice between tall and short mixed perennial ryegrass/white clover swards. In the first experiment, cows grazed a perennial ryegrass sward (treatment Prg); a mixed sward of perennial ryegrass ...
C. J. C. Phillips, N. L. James
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Does post‐grazing sward height influence sward characteristics, seasonal herbage dry‐matter production and herbage quality?

Grass and Forage Science, 2014
AbstractExtending the grazing season through the production and utilization of high‐quality forage is a key objective in grassland‐based dairy production systems. Grazing swards to a low post‐grazing sward height (PGSH) is a strategy for improving grass utilization. A grazing experiment conducted in Ireland investigated immediate and subsequent effects
Ganche, Elodie, O'Donovan, M., Delaby, Luc, Boland, T., Kennedy, E.   +4 more
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SWARD PRODUCTIVITY WITHIN MICRO‐PATTERNS OF HEIGHT AND FREQUENCY OF DEFOLIATION

Grass and Forage Science, 1975
ABSTRACTAn experiment is described in which 10 cutting treatments were applied to plots of perennial ryegrass. In 4 treatments the swards were cut uniformly using one of the following regimes: cut to 15 cm every 2 weeks (regime hf); cut to 15 cm every 6 weeks (hi); cut to 5 cm every 2 weeks (If); cut to 5 cm every 6 weeks (li).
A. Smith, J. R. Macauley
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Spatial heterogeneity and other sources of variance in sward height as measured by the sonic and HFRO sward sticks

Grass and Forage Science, 1991
AbstractMeasurements of undisturbed sward surface height (sward height) were made using the HFRO and sonic sward sticks at 20 cm intervals along 100 m transects laid across paddocks grazed by either sheep, cattle or goats. Measurements of sward height were also made at 5 cm intervals along 10 m transects laid across the same paddocks using the HFRO ...
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Effect of sward surface height of mixed swards of ryegrass/white clover on the intake and performance by ewes and their twin lambs

Proceedings of the British Society of Animal Production (1972), 1987
Mixed swards of perennial ryegrass (Lolium perenne cv. S23) and white clover (Trifolium repens cv. Huia) were maintained at sward surface heights (SSH) of 3 (GC3), 6 (GC6) and 9 cm (GC9) by continuous variable stocking to examine effects on sward and animal performance. In addition, a pure grass sward of S23 was kept at 6 cm (G6) and fertilized with 14
R.J. Orr, P.D. Penning, A.J. Parsons, T.T. Treacher   +3 more
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