Journal Articles
2021
Ribeiro, G. O., S. Terry, M. Hünerberg, K. Ominski, F. J. Larney, and T. A. McAllister. 2021. Effect of trenbolone acetate, melengestrol acetate, and ractopamine hydrochloride on the growth performance of beef cattle. Canadian Journal of Animal Science. https://doi.org/10.1139/cjas-2020-0159
Stehr, K. R., S. A. Terry, G. O. Ribeiro, R. Gruninger, G. B. Penner, J. McKinnon, D. Gibb, and T. A. McAllister. 2021 Effect of replacing barley silage with calcium oxide-treated barley straw on rumen fermentation, rumen microbiota, nutrient digestibility and growth performance of finishing beef cattle. Canadian Journal of Animal Science, 101:493–506. https://doi.org/10.1139/CJAS-2020-0071
Romero, C. M., C. Li, J. Owens, G. O. Ribeiro, T. A. McAllister, E. Okine and X. Hao. 2021. Nutrient cycling and greenhouse gas emissions from soil amended with biochar-manure mixtures. Pedosphere, 31:289-302. https://doi.org/10.1016/S1002-0160(20)60071-6
2020
Ribeiro, G. O., M. L. May, S. L. Parr, O. S. Schunicht, L. O. Burciaga-Robles, S. J. Hannon, T. M. Grimson, C. W. Booker, T. A. McAllister. 2020. Impact of conventional and non-conventional growth-enhancing technologies for finishing feedlot beef steers. Applied Animal Science. 36:524-536. https://doi.org/10.15232/aas.2019-01962
Terry, S., G. O. Ribeiro, C. Conrad, K. A. Beauchemin, T. A. McAllister, R. J. Gruninger. 2020. Pretreatment of crop residues with ammonia fiber expansion (AFEX) alters the temporal colonization of feed in the rumen by rumen microbes. FEMS Microbiology Ecology, 96:fiaa074. https://doi.org/10.1093/femsec/fiaa074
Ribeiro, G. O., R. J. Gruninger, D. R. Jones, K. A. Beauchemin, W. Z. Yang, Y. Wang, D. W. Abbott, A. Tsang, and T. A. McAllister. 2020. Effect of ammonia fiber expansion (AFEX) treated wheat straw and a recombinant fibrolytic enzyme on rumen microbiota and fermentation parameters, total tract digestibility, and performance of lambs. Journal of Animal Science, 98:skaa116. https://doi.org/10.1093/jas/skaa116
Terry, S. A., A. P. Redman, G. O. Ribeiro, A. V. Chaves, K. A. Beauchemin, E. Okine, T. A. McAllister. 2020. Effect of a pine enhanced biochar on growth performance, carcass quality, and feeding behavior of feedlot steers. Translational Animal Science, txaa011. https://doi.org/10.1093/tas/txaa011
Passetti, R. A. C., L. C. G. Passetti, R. J. Gruninger, G. O. Ribeiro, M. R. M. Milani, I. N. Prado, and T. A. McAllister. 2020. Effect of ammonia fibre expansion (AFEX) treatment of rice straw on in situ digestibility, microbial colonization, acetamide levels and growth performance of lambs. Animal Feed Science and Technology, 261:114411. https://doi.org/10.1016/j.anifeedsci.2020.114411
2019
Terry, S. A., G. O. Ribeiro, R. J. Gruninger, A. V. Chaves, K. A. Beauchemin, E. Okine, T. A. McAllister. 2019. A pine enhanced biochar does not decrease enteric ch4 emissions, but alters the rumen microbiota. Frontiers in Veterinary Science, 6:308. https://doi.org/10.3389/fvets.2019.00308
Beauchemin, K. A., G. O. Ribeiro, T. Ran, M. R. M. Milani, W. Z. Yang, H. Khanaki, R. J. Gruninger, A. Tsang, T. A. McAllister. 2019. Recombinant fibrolytic feed enzymes and ammonia fibre expansion (AFEX) pretreatment of crop residues to improve fibre degradability in cattle. Animal Feed Science and Technology. 256:114260. https://doi.org/10.1016/j.anifeedsci.2019.114260
Ran, T., A. M. Saleem, Y. Shen, G. O. Ribeiro, K. A. Beauchemin, A. Tsang, W. Z. Yang, T. A. McAllister. 2019. Effects of a recombinant fibrolytic enzyme on fiber digestion, ruminal fermentation, nitrogen balance and total tract digestibility of heifers fed a high forage diet. Journal of Animal Science, 97:3578–3587. https://doi.org/10.1093/jas/skz216
Saleem, A. M., G. O. Ribeiro, H. Sanderson, D. Alipour, T. Brand, M. Hünerberg, W. Z. Yang, L. V. Santos, and T. A. McAllister. 2019. Effect of exogenous fibrolytic enzymes and ammonia fiber expansion on the fermentation of wheat straw in an artificial rumen system (RUSITEC). Journal of Animal Science, 97:3535–3549. https://doi.org/10.1093/jas/skz224
Gruninger, R. J., G. O. Ribeiro, A. Cameron, T. A. McAllister. 2019. Invited Review: Application of meta-omics to understand the dynamic nature of the rumen microbiome and how it responds to diet in ruminants. Animal (Cambridge) – https://doi.org/10.1017/S1751731119000752
He, Z. X., G. O. Ribeiro, K. A. Beauchemin, T. A. McAllister, W. Z. Yang. 2019. Inoculum source and transfer of rumen contents from bison to cattle improved in vitro gas production and feed digestibility, but not the responses to exogenous enzymes supplementation. Animal Feed Science and Technology, 248:37-46. https://doi.org/10.1016/j.anifeedsci.2019.01.005
Sheng, P., G. O. Ribeiro, Y. Wang, T. A. McAllister. 2019. Humic substances reduce ruminal methane production and increase the efficiency of microbial protein synthesis in vitro. J. Sci. Food Agric. 99:2152–2157. https://doi.org/10.1002/jsfa.9407
2018
Terry, S. A., G. O. Ribeiro, R. J. Gruninger, M. Hünerberg, S. Ping, A. V. Chaves, A. J. Burlet, K. A. Beauchemin, T. A. McAllister. 2018. Effect of humic substances on rumen fermentation, nutrient digestibility, methane emissions, and rumen microbiota in beef heifers, Journal of Animal Science, 96:3863–3877. https://doi.org/10.1093/jas/sky265
Ribeiro G. O., A. Badhan, J. Huang, K. A. Beauchemin, W. Yang, Y. Wang, A. Tsang, T. A. McAllister. 2018. New recombinant fibrolytic enzymes for improved in vitro ruminal fiber degradability of barley straw. Journal of Animal Science, 96:3928–3942. https://doi.org/10.1093/jas/sky251
Saleem, A. M., G. O. Ribeiro, W. Yang, T. Ran, K. A. Beauchemin, E. J. McGeough, K. H. Ominski, E. K. Okine, T. A. McAllister. 2018. Effect of engineered biocarbon on rumen fermentation, microbial protein synthesis, and methane production in an artificial rumen (RUSITEC) fed a high forage diet. Journal of Animal Science, 96:3121–3130. https://doi.org/10.1093/jas/sky204
Badhan, A., G. O. Ribeiro, D. R. Jones, Y. Wang, D. W. Abbott, M. Di Falco, A. Tsang, and T. A. McAllister. 2018. Identification of novel enzymes to enhance the ruminal digestion of barley straw. Bioresource Technology, 260:76-84. https://doi.org/10.1016/j.biortech.2018.03.086
2017
Ribeiro, G. O., Oss, D. B., He, Z., Gruninger, R. J., Elekwachi, C., Forster, R. J., Yang, W., Beauchemin, K. A., and. McAllister, T. A. 2017. Repeated inoculation of cattle rumen with bison rumen contents alters the rumen microbiome and improves nitrogen digestibility in cattle. Scientific Reports. 7:1276. https://doi.org/10.1038/s41598-017-01269-3
Griffith, C., G. O. Ribeiro, M. Oba, T. A. McAllister, and K. A. Beauchemin. 2017. Potential for improving fiber digestion in the rumen of cattle (Bos taurus) through microbial inoculation from bison (Bison bison): In situ fiber degradation. Journal of Animal Science, 95:2156–2167. https://doi.org/10.2527/jas2017.1403
Ribeiro, G. O., M. Hüenerberg, D. Gibb and T. A. McAllister. 2017. Short-Communication: Impact of low- and medium-oil corn dried distillers’ grains plus solubles on growth performance of feedlot cattle. Canadian Journal of Animal Science, 97:530-535. https://doi.org/10.1139/cjas-2016-0157
Ding, S., S. J. Meale, A. Y. Alazzeh, M. L. He, G. O. Ribeiro, L. Jin, Y. Wang, M. E. R. Dugan, A. V. Chaves, T. A. McAllister. 2017. Effect of Propionibacterium freudenreichii in diets containing rapeseed or flaxseed oil on in vitro ruminal fermentation, methane production and fatty acid biohydrogenation. Animal Production Science. 57:2051–2059. https://doi.org/10.1071/AN15878
2016
Oss, D. B., G. O. Ribeiro, M. I. Marcondes, W. Yang, K. A. Beauchemin, R. J. Forster, and T. A. McAllister. 2016. Synergism of cattle and bison inoculum on ruminal fermentation and select bacterial communities in an artificial rumen (Rusitec) fed a barley straw based diet. Frontiers in Microbiology, 7:2032. https:// doi.org/10.3389/fmicb.2016.02032
Griffith, C., G. O. Ribeiro, M. Oba, T. A. McAllister and K. A. Beauchemin. 2016. Fermentation of Ammonia Fiber Expansion treated and untreated barley straw in a rumen simulation technique (Rusitec) using rumen inoculum from cattle with slow versus fast rate of fiber disappearance. Frontiers in Microbiology, 7:1839. https://doi.org/10.3389/fmicb.2016.01839
Ribeiro, G. O., M. L. Swift, T. A. McAllister. 2016. Effect of diastatic power and processing index on the feed value of barley grain for finishing feedlot cattle. Journal of Animal Science. 94:3370–3381. https://doi.org/10.2527/jas2015-0068
Ribeiro, G. O., R. Gruninger, A. Badhan, T. A. McAllister. 2016. Mining the rumen for fibrolytic feed enzymes. Animal Frontiers. 6:20–26. https://doi.org/10.2527/af.2016-0019
Oss, D. B., M. I. Marcondes, F. S. Machado, L. G. R. Pereira, T. R. Tomich, G. O. Ribeiro, M. L. Chizzotti, A. L. Ferreira, R. M. Mauricio, A. V.Chaves, M. M. Campos, T. A. McAllister. 2016. An evaluation of the face mask system based on short-term measurements compared with the sulfur hexafluoride (SF6) tracer, and respiration chamber techniques for measuring CH4. Animal Feed Science and Technology, 216:49-57. https://doi.org/10.1016/j.anifeedsci.2016.03.008
2015
Ribeiro, G. O., Goncalves, L. G. R. Pereira, A. V. Chaves, Y. Wang, K. A. Beauchemin, T.A. McAllister. 2015. Effect of fibrolytic enzymes added to a Andropogon gayanus grass silage-concentrate diet on rumen fermentation in batch cultures and the artificial rumen (Rusitec). Animal (Cambridge). 9:1153-11162. https://doi.org/10.1017/S1751731115000221
Ribeiro, G. O., A. M. Teixeira, F. O. Velasco, W. G. Faria Jr, D. G.Jayme, R. M. Mauricio, L. C. Goncalves, T. A. McAllister. 2015. Methane production and energy partitioning in sheep fed Andropogon gayanus grass ensiled at three regrowth stages. Canadian Journal of Animal Science. 95:103-110. https://doi.org/10.4141/cjas-2014-074
Teixeira, A. M., L. C. Gonçalves, F. O. Velasco, G. O. Ribeiro, W. G. Faria Jr, D. S. G. Cruz, D. G. Jayme. 2015. Respirometria e emissão de metano por ovinos alimentados com capim-elefante cortado com diferentes idades. Bioscience Journal. 31:841-849. http://dx.doi.org/10.14393/BJ-v31n3a2015-22577
Ferreira, P.D.S., L. C. Goncalves, J. A. S. Rodrigues, D. G. Jayme, E. O. S. Saliba, O. S. Pires Neto, D. S. G. Cruz, F. A. Magalhaes, G. O. Ribeiro, F. O. Velasco. 2015. Valor nutricional de híbridos de sorgo para corte e pastejo (Sorghum bicolor x Sorghum sudanense) em diferentes fases fenológicas. Semina. Ciências Agrárias, 36:377-390. http://dx.doi.org/10.5433/1679-0359.2015v36n1p377
2014
Ribeiro, G. O., F. O. Velasco, W. G. Faria Jr, A. M. Teixeira, F. S. Machado, F. A. Magalhaes, D. G. Jayme, L. C. Goncalves. 2014. In situ degradation kinetic of Andropogon gayanus grass silages harvested at three stages of maturity. Arquivo Brasileiro de Medicina Veterinária e Zootecnia. 66:1883-1890. http://dx.doi.org/10.1590/1678-6780
Meale, S. J., S. Ding, M. L. He, M. E. R. Dugan, G. O. Ribeiro, A. Y. Alazzeh, H. Holo, O. M. Harstad, T. A. McAllister, A. V. Chaves. 2014. Effect of Propionibacterium freudenreichii on ruminal fermentation patterns, methane production and lipid biohydrogenation of beef finishing diets containing flaxseed oil in a rumen simulation technique. Canadian Journal of Animal Science. 94:685-695. https://doi.org/10.4141/cjas-2014-051
Avila-Stagno, J., A. V. Chaves, G. O.Ribeiro, E. M Ungerfeld, T. A. McAllister. 2014. Inclusion of glycerol in forage diets increases methane production in a rumen simulation technique system. British Journal of Nutrition. 111:829 - 835. https://doi.org/10.1017/S0007114513003206
Teixeira, A. M., G. O. Ribeiro, F. O. Velasco, W. G. Faria Jr., N. M. Rodrigues, J. A. S. Rodrigues, T. A. McAllister, L. C. Goncalves. 2014. Intake and digestibility of sorghum (Sorghum bicolor, L. Moench) silages with different tannin contents in sheep. Revista Brasileira de Zootecnia, 43:14-19. http://dx.doi.org/10.1590/S1516-35982014000100003
Ribeiro, G. O., A. M. Teixeira, F. O. Velasco, W. G. Faria Jr., L. G. R. Pereira, A. V. Chaves, L. C. Goncalves, T. A. McAllister. 2014. Production, nutritional quality and in vitro methane production from Andropogon gayanus Grass harvested at different maturities and preserved as hay or silage. Asian-Australasian Journal of Animal Sciences. 27:330-341. https://doi.org/10.5713/ajas.2013.13161
2012
Machado, F. S., N. M. Rodriguez, J. A. S. Rodrigues, M. N. Ribas, A. M. Teixeira, G. O. Ribeiro, F. O. Velasco, L. C. Goncalves, R. Guimaraes Jr, L. G. R. Pereira. 2012. Qualidade da silagem de híbridos de sorgo em diferentes estádios de maturação. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 64:711-720. http://dx.doi.org/10.1590/S0102-09352012000300024
2011
Faria Jr, W. G., L. C. Goncalves, G. O. Ribeiro, W. T. V. Carvalho, R. M. Mauricio, J. A. S. Rodrigues, W. G. Faria, E. O. S. Saliba, N. M. Rodriguez, A. L. C. C. Borges. 2011. Effect of grain maturity stage on the quality of sorghum BRS-610 silages. Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 63:1215-1223. http://dx.doi.org/10.1590/S0102-09352011000500024
2007
Ribeiro, C. G. M., L. C. Goncalves, J. A. S. Rodrigues, N. M. Rodriguez, I. Borges, A. L. C. C. Borges, E. O. S. Saliba, G. H. F. Castro, G. O. Ribeiro. 2007 Padrao de fermentacao da silagem de cinco genotipos de sorgo. Arquivo Brasileiro de Medicina Veterinária e Zootecnia. 59:1531-1537. http://dx.doi.org/10.1590/S0102-09352007000600028