Results 301 to 310 of about 1,089,204 (358)

Effect of post-grazing sward height during the main grazing season on dairy cow performance

, 2012
E. Ganche, M. O’Donovan, Luc Delaby, T.M. Boland, E. Kennedy   +4 more
openalex   +1 more source

Environmental drivers of tick density in UK dairy farms: implications for livestock health and agri-environment policy

Shanks S, Duncan J, Johnson N, Hassall R, Purse BV, Millins C.   +5 more
europepmc   +1 more source

Short-term milk yield adaptation to changes in post-grazing sward height

, 2013
Ganche, Elodie, Delaby, Luc, O'Donovan, Michael, Boland, T.M., Kennedy, Emer   +4 more
openaire   +2 more sources

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Evaluation of the precision of the rising plate meter for measuring compressed sward height on heterogeneous grassland swards

Precision Agriculture, 2020
Accurate estimation of herbage mass (HM) is essential for optimising grass utilisation and increasing profit for pasture-based livestock agriculture. The rising plate meter (RPM) is used for predicting HM based on average compressed sward height (CSH).
D. J. Murphy, B. O’ Brien, D. Hennessy, M. Hurley, M. D. Murphy   +4 more
openaire   +2 more sources

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
openaire   +3 more sources

Combining ultrasonic sward height and spectral signatures to assess the biomass of legume–grass swards

Computers and Electronics in Agriculture, 2013
Graphical abstractDisplay Omitted Combining ultrasonic and spectral data improved predictions of grassland biomass.Enhancements were particularly obvious at high biomass levels.Ultrasonic sward height explained the majority of variance in predicted biomasses.Two-band vegetation indices performed best along slopes of water absorption bands.Increasing ...
Thomas Fricke, Michael Wachendorf
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Effects of sward height and bulk density on bite dimensions of cattle grazing homogeneous swards

Grass and Forage Science, 1992
AbstractEffects of sward height and density on the dimensions and weights of bites taken by cattle were examined. In one experiment, swards of dallisgrass lamina were constructed by hand in a factorial combination of four heights (80, 150, 180 and 300 mm) and three densities (c. 700, 1500 and 2700 g m−3).
E. A. LACA, E. D. UNGAR, N. SELIGMAN, M. W. DEMMENT   +3 more
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Sward Height and Vertical Morphological Differentiation Determine Cattle Bite Dimensions

Agronomy Journal, 1993
AbstractTo identify and quantify the influence of sward structure on the intake of grazing animals requires an understanding of sward‐animal interactions at the bite level. We tested the hypothesis that bite dimensions on vertically heterogeneous swards are determined by structural characteristics of the top leaf stratum, independent of those of a ...
Enrique R. Flores, Emilio A. Laca, Thomas C. Griggs, Montague W. Demment   +3 more
openaire   +2 more sources