Search Results - "Herd, R"

Physiological basis for residual feed intake by Herd, R.M, Arthur, P.F

“…Residual feed intake (RFI) is a measure of feed efficiency that is independent of level of production, such as size and growth rate in beef cattle, and thus is…”
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Cattle selected for lower residual feed intake have reduced daily methane production by Hegarty, R.S, Goopy, J.P, Herd, R.M, McCorkell, B

“…Seventy-six Angus steers chosen from breeding lines divergently selected for residual feed intake (RFI) were studied to quantify the relationship between RFI…”
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Genome-wide association studies for feedlot and growth traits in cattle by Bolormaa, S, Hayes, B.J, Savin, K, Hawken, R, Barendse, W, Arthur, P.F, Herd, R.M, Goddard, M.E

“…A genome wide-association study for production traits in cattle was carried out using genotype data from the 10K Affymetrix (Santa Clara, CA) and the 50K…”
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Genetic and phenotypic variance and covariance components for methane emission and postweaning traits in Angus cattle by Donoghue, K A, Bird-Gardiner, T, Arthur, P F, Herd, R M, Hegarty, R F

“…Ruminants contribute 80% of the global livestock greenhouse gas (GHG) emissions mainly through the production of methane, a byproduct of enteric microbial…”
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Global gene expression profiling reveals genes expressed differentially in cattle with high and low residual feed intake by Chen, Y., Gondro, C., Quinn, K., Herd, R. M., Parnell, P. F., Vanselow, B.

“…Summary Feed efficiency is an economically important trait in beef production. It can be measured as residual feed intake. This is the difference between…”
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Optimizing test procedures for estimating daily methane and carbon dioxide emissions in cattle using short-term breath measures by Arthur, P F, Barchia, I M, Weber, C, Bird-Gardiner, T, Donoghue, K A, Herd, R M, Hegarty, R S

“…Respiration chambers are considered the reference method for quantifying the daily CH production rate (MPR) and CO production rate (CPR) of cattle; however,…”
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Optimizing test procedures for estimating daily methane and carbon dioxide emissions in cattle using short-term breath measures by Arthur, P F, Barchia, I M, Weber, C, Bird-Gardiner, T, Donoghue, K A, Herd, R M, Hegarty, R S

“…Respiration chambers are considered the reference method for quantifying the daily CH production rate (MPR) and CO production rate (CPR) of cattle; however,…”
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Measures of methane production and their phenotypic relationships with dry matter intake, growth, and body composition traits in beef cattle by Herd, R M, Arthur, P F, Donoghue, K A, Bird, S H, Bird-Gardiner, T, Hegarty, R S

“…Ruminants contribute up to 80% of greenhouse gas (GHG) emissions from livestock, and enteric methane production by ruminants is the main source of these GHG…”
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The Influence of Colloidal Properties of Carbon Black on Static and Dynamic Mechanical Properties of Natural Rubber by Kyei-Manu, William Amoako, Herd, Charles R, Chowdhury, Mahatab, Busfield, James J C, Tunnicliffe, Lewis B

“…The influence of carbon black (CB) structure and surface area on key rubber properties such as monotonic stress-strain, cyclic stress-strain, and dynamic…”
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Accuracy of prediction of genomic breeding values for residual feed intake and carcass and meat quality traits in Bos taurus, Bos indicus, and composite beef cattle by Bolormaa, S, Pryce, J E, Kemper, K, Savin, K, Hayes, B J, Barendse, W, Zhang, Y, Reich, C M, Mason, B A, Bunch, R J, Harrison, B E, Reverter, A, Herd, R M, Tier, B, Graser, H-U, Goddard, M E

“…The aim of this study was to assess the accuracy of genomic predictions for 19 traits including feed efficiency, growth, and carcass and meat quality traits in…”
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Associations among methane emission traits measured in the feedlot and in respiration chambers in Angus cattle bred to vary in feed efficiency by Herd, R M, Velazco, J I, Arthur, P F, Hegarty, R F

“…The objective of the study was to evaluate associations among animal performance and methane emission traits under feedlot conditions and in respiration…”
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Genetic and phenotypic variance and covariance components for feed intake, feed efficiency, and other postweaning traits in Angus cattle by Arthur, P. F, Archer, J. A, Johnston, D. J, Herd, R. M, Richardson, E. C, Parnell, P. F

“…Records on 1,180 young Angus bulls and heifers involved in performance tests were used to estimate genetic and phenotypic parameters for feed intake, feed…”
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Characterizing Distributions of Tensile Strength and Crack Precursor Size to Evaluate Filler Dispersion Effects and Reliability of Rubber by Robertson, Christopher G, Tunnicliffe, Lewis B, Maciag, Lawrence, Bauman, Mark A, Miller, Kurt, Herd, Charles R, Mars, William V

“…Undispersed filler agglomerates or other substantial inclusions/contaminants in rubber can act as large crack precursors that reduce the strength and fatigue…”
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Phenotypic relationships among methane production traits assessed under ad libitum feeding of beef cattle by Bird-Gardiner, T, Arthur, P F, Barchia, I M, Donoghue, K A, Herd, R M

“…Angus cattle from 2 beef cattle projects in which daily methane production (MPR) was measured were used in this study to examine the nature of the…”
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Genomic heritabilities and genomic estimated breeding values for methane traits in Angus cattle by Hayes, B J, Donoghue, K A, Reich, C M, Mason, B A, Bird-Gardiner, T, Herd, R M, Arthur, P F

“…Enteric methane emissions from beef cattle are a significant component of total greenhouse gas emissions from agriculture. The variation between beef cattle in…”
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Effect of Fuel Composition on Carbon Black Formation Pathways by Singh, Madhu, Gharpure, Akshay, Vander Wal, Randy L., Kollar, James, Herd, Charles R.

“…Differences in lamellae length, stacking, and particularly a difference in the core-to-shell radial structure are observed for carbon blacks produced using…”
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Lava production at Soufrière Hills Volcano, Montserrat: 1995-2009 by Wadge, G., Herd, R., Ryan, G., Calder, E. S., Komorowski, J.-C.

“…We estimate that about 1 km3 of andesitic lava has been produced at Soufrière Hills Volcano, Montserrat from 1995 to 2009. There were three major episodes of…”
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Skin tumours in the West of Scotland renal transplant population by Mackintosh, L.J., Geddes, C.C., Herd, R.M.

“…Summary Background  Organ transplant recipients have an increased risk of skin cancers. A specialist dermatology clinic for renal transplant recipients (RTRs)…”
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Automated, high time-resolution measurements of SO2 flux at Soufrière Hills Volcano, Montserrat by EDMONDS, M, HERD, R. A, GALLE, B, OPPENHEIMER, C. M

“…We report here the first results from an automated, telemetered UV scanning spectrometer system for monitoring SO^sub 2^ emission rates at Soufrière Hills…”
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SO2 emissions from Soufrière Hills Volcano and their relationship to conduit permeability, hydrothermal interaction and degassing regime by EDMONDS, M, OPPENHEIMER, C, PYLE, D. M, HERD, R. A, THOMPSON, G

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