John Goopy
John Goopy
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Dikutip oleh
Dikutip oleh
Cattle selected for lower residual feed intake have reduced daily methane production,
RS Hegarty, JP Goopy, RM Herd, B McCorkell
Journal of animal science 85 (6), 1479-1486, 2007
Low-methane yield sheep have smaller rumens and shorter rumen retention time
JP Goopy, A Donaldson, R Hegarty, PE Vercoe, F Haynes, M Barnett, ...
British Journal of Nutrition 111 (4), 578-585, 2014
Nutritional and flock management options to reduce methane output and methane per unit product from sheep enterprises
RS Hegarty, D Alcock, DL Robinson, JP Goopy, PE Vercoe
Animal Production Science 50 (12), 1026-1033, 2010
A review on the role of duckweed in nutrient reclamation and as a source of animal feed
JP Goopy, PJ Murray
Asian-australasian journal of animal sciences 16 (2), 297-305, 2003
Validation of a short-term methane measurement using portable static chambers to estimate daily methane production in sheep
JP Goopy, R Woodgate, A Donaldson, DL Robinson, RS Hegarty
Animal Feed Science and Technology 166, 219-226, 2011
Methane and nitrous oxide emissions from cattle excreta on an East African grassland
DE Pelster, B Gisore, J Goopy, D Korir, JK Koske, MC Rufino, ...
Journal of environmental quality 45 (5), 1531-1539, 2016
Excessive heat load index for feedlot cattle
JG Gaughan, J Goopy, J Spark
Meat and livestock-Australia project report, FLOT 316, 2002
Repeatability, animal and sire variation in 1-hr methane emissions and relationships with rumen volatile fatty acid concentrations
DL Robinson, JP Goopy, RS Hegarty, PE Vercoe
Proceedings of the 9th World Congress on Genetics Applied to Livestock …, 2010
A new approach for improving emission factors for enteric methane emissions of cattle in smallholder systems of East Africa–Results for Nyando, Western Kenya
JP Goopy, AA Onyango, U Dickhoefer, K Butterbach-Bahl
Agricultural systems 161, 72-80, 2018
Can rumen methane production be predicted from volatile fatty acid concentrations?
DL Robinson, J Goopy, RS Hegarty
Animal Production Science 50 (6), 630-636, 2010
Repeatability of methane production in cattle fed concentrate and forage diets
JP Goopy, RS Hegarty
Journal of Animal and Feed Sciences 13, 75-78, 2004
Estimates of repeatability and heritability of methane production in sheep using portable accumulation chambers
JP Goopy, DL Robinson, RT Woodgate, AJ Donaldson, VH Oddy, ...
Animal Production Science 56 (1), 116-122, 2016
Comparison of repeated measurements of methane production in sheep over 5 years and a range of measurement protocols
DL Robinson, JP Goopy, RS Hegarty, VH Oddy
Journal of Animal Science 93 (10), 4637-4650, 2015
Sire and liveweight affect feed intake and methane emissions of sheep confined in respiration chambers
DL Robinson, JP Goopy, AJ Donaldson, RT Woodgate, VH Oddy, ...
Animal 8 (12), 1935-1944, 2014
Genetic and environmental variation in methane emissions of sheep at pasture
DL Robinson, JP Goopy, RS Hegarty, VH Oddy, AN Thompson, ...
Journal of Animal Science 92 (10), 4349-4363, 2014
Triiodothyronine influences digesta kinetics and methane yield in sheep
MC Barnett, JP Goopy, JR McFarlane, IR Godwin, JV Nolan, RS Hegarty
Animal Production Science 52 (7), 572-577, 2012
The persistence over time of divergent methane production in lot fed cattle
JP Goopy, RS Hegarty, RC Dobos
International Congress Series 1293, 111-114, 2006
Improved region-specific emission factors for enteric methane emissions from cattle in smallholder mixed crop: livestock systems of Nandi County, Kenya
PW Ndung’u, BO Bebe, JO Ondiek, K Butterbach-Bahl, L Merbold, ...
Animal Production Science 59 (6), 1136-1146, 2019
A comparison of methodologies for measuring methane emissions from ruminants
JP Goopy, C Chang, N Tomkins
Methods for measuring greenhouse gas balances and evaluating mitigation …, 2016
Two-hour chamber measurement provides a useful estimate of daily methane production in sheep
JP Goopy, RS Hegarty, DL Robinson
Proceedings of the XIth international symposium on ruminant physiology (ed …, 2009
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