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Korir, D. ,  Goopy, John P. ,  Gachuiri, C. ,  Butterbach-Bahl, Klaus ,  Eckard, R. ,  Anderson, C. ,  [Supplementation with Calliandra calothyrsus improves nitrogen retention in cattle fed low-protein diets] ,  Supplementation with Calliandra calothyrsus improves nitrogen retention in cattle fed low-protein diets

Onyango, Alice A. ,  Goopy, John P. ,  [Application of nutrient concentration of cattle faeces to develop algorithms estimating apparent in vivo digestibility and metabolisable energy of tropical ruminant forages] ,  Application of nutrient concentration of cattle faeces to develop algorithms estimating apparent in vivo digestibility and metabolisable energy of tropical ruminant forages

Sánchez, Pedro A. ,  Korir, Daniel ,  Ali, A.I.M. ,  Goopy, John P. ,  Merbold, Lutz ,  Schlecht, E. ,  Dickhoefer, U. ,  [Feed intake, apparent total tract digestibility, and nitrogen balance in Boran steers fed with three grasses grown alone or intercropped with Lablab purpureus] ,  Feed intake, apparent total tract digestibility, and nitrogen balance in Boran steers fed with three grasses grown alone or intercropped with Lablab purpureus

Parker, A.J. ,  Goopy, John P. ,  Callaghan, M.J. ,  Vermunt, J.J. ,  Nys, R. de ,  [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] ,  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

Merbold, Lutz ,  Butterbach-Bahl, Klaus ,  Ericksen, Polly J. ,  Goopy, John P. ,  Korir, Daniel ,  Leitner, Sonja ,  Mutuo, Paul ,  Ndung’u, Phyllis W. ,  Onyango, Alice A. ,  Owino, Jesse ,  Pelster, David E. ,  Wanyama, George N. ,  [Improved greenhouse gas emission factors for smallholder livestock systems in East Africa] ,  Improved greenhouse gas emission factors for smallholder livestock systems in East Africa

Goopy, John P. ,  Pelster, David E. ,  Onyango, A. ,  Marshall, Karen ,  Lukuyu, Margaret N. ,  [Simple and robust algorithms to estimate liveweight in African smallholder cattle] ,  Simple and robust algorithms to estimate liveweight in African smallholder cattle

Goopy, John P. ,  Onyango, A.A. ,  Dickhoefer, Uta ,  Butterbach-Bahl, Klaus ,  [A new approach for improving emission factors for enteric methane emissions of cattle in smallholder systems of East Africa – Results for Nyando, Western Kenya] ,  A new approach for improving emission factors for enteric methane emissions of cattle in smallholder systems of East Africa – Results for Nyando, Western Kenya