Creating a low enteric methane emission ruminant: What is the evidence of success to the present and prospects for developing economies?

by Goopy, John P.
Published 2019-10-07T11:13:44Z

Nitrate is safe to feed ad libitum in molasses roller drums as a source of non-protein nitrogen

by Goopy, John P., Hegarty, Roger S.
Published 2023-03-10T14:33:20Z

Digestibility and metabolizable energy intake equations of tropical ruminant forages using nutrient concentration of cattle faeces

by Onyango, Alice A., Goopy, John P.
Published 2020-09-09

Improving productivity in Kenyan smallholder dairy systems through selective, intensive education and supported adoption

by Goopy, John P., Gakige, J.K.
Published 2016-09-19

Smallholder dairy farmer training manual

by Goopy, John P., Gakige, J.K.
Published 2019-12-31

Application of nutrient concentration of cattle faeces to develop algorithms estimating apparent in vivo digestibility and metabolisable energy of tropical ruminant forages

by Onyango, Alice A., Goopy, John P.
Published 2020-02-15

A Comparison of Methodologies for Measuring Methane Emissions from Ruminants

by Goopy, John P., Chang, C., Tomkins, Nigel
Published 2016

Digestibility and metabolizable energy of selected tropical feedstuffs estimated by in vitro and prediction equations

by Onyango, A., Dickhoefer, Uta, Butterbach-Bahl, Klaus, Goopy, John P.
Published 2016-09-19

Comparison of repeated measurements of methane production in sheep over 5 years and a range of measurement protocols1

by Robinson, D.L., Goopy, John P., Hegarty, Roger S., Oddy, V.H.
Published 2023-03-10T14:33:15Z

Importance of developing regional greenhouse gas emission factors

by Pelster, David E., Goopy, John P., Merbold, Lutz, Butterbach-Bahl, Klaus
Published 2016-05-03

Sweet potato (Ipomoea batatas) vine silage: A cost-effective supplement for milk production in smallholder dairy-farming systems of East Africa?

by Gakige, Jesse K., Gachuri, C., Butterbach-Bahl, Klaus, Goopy, John P.
Published 2020-03-05T12:51:04Z

A new approach for improving emission factors for enteric methane emissions of cattle in smallholder systems of East Africa – Results for Nyando, Western Kenya

by Goopy, John P., Onyango, A.A., Dickhoefer, Uta, Butterbach-Bahl, Klaus
Published 2018-01-16T11:15:18Z

Vines of the sweet potato (Ipomea batatas): A valuable feed supplement for ruminants in small holder systems

by Goopy, John P., Gakige, J., Korir, Daniel, Kvacic, M., Butterbach-Bahl, Klaus
Published 2016-05-06T10:34:48Z

Simple and robust algorithms to estimate liveweight in African smallholder cattle

by Goopy, John P., Pelster, David E., Onyango, A., Marshall, Karen, Lukuyu, Margaret N.
Published 2017-12-18T18:19:00Z

Effects of replacing Brachiaria hay with either Desmodium intortum or dairy concentrate on animal performance and enteric methane emissions of low-yielding dairy cows

by Korir, Daniel, Eckard, Richard, Goopy, John P., Arndt, Claudia, Merbold, Lutz, Marquardt, Svenja
Published 2022-08-22T08:22:28Z

Improving estimates of GHG emission factors from livestock production systems on smallholder farms

by Pelster, David E., Butterbach-Bahl, Klaus, Rufino, Mariana C., Goopy, John P., Rosenstock, Todd S.
Published 2014-09-17

Supplementation with Calliandra calothyrsus improves nitrogen retention in cattle fed low-protein diets

by Korir, Daniel, Goopy, John P., Gachuiri, C., Butterbach-Bahl, Klaus, Eckard, Richard, Anderson, C.
Published 2016-06-05T08:50:43Z

Temporal and spatial variability in the nutritive value of pasture vegetation and supplement feedstuffs for domestic ruminants in western Kenya

by Onyango, A.A., Dickhoefer, Uta, Rufino, Mariana C., Butterbach-Bahl, Klaus, Goopy, John P.
Published 2019-01-09T13:37:48Z

Calculation of new enteric methane emission factors for small ruminants in western Kenya highlights the heterogeneity of smallholder production systems

by Goopy, John P., Ndung’u, Phyllis W., Onyango, Alice A., Kirui, Peter, Butterbach-Bahl, Klaus
Published 2021-03-16T10:55:57Z

Vitamin A deficiency in Bos indicus heifers fed a wheat straw diet cannot be corrected with algae lick blocks or intramuscular injectable retinyl palmitate treatments

by Parker, A.J., Goopy, John P., Callaghan, M.J., Vermunt, J.J., Nys, R. de
Published 2016-09-09T13:00:36Z