Prof. Christopher Antwi

Associate Professor

Dept: Animal Science
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Research Areas/Interests

Greenhouse gas mitigation and emissions from animal agriculture Animal adaptation to climate change Fodder conservation and feed improvement for enha...~more

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Publications

    1. Barimuah V., Sylverken A. A., Owusu M., El-Duah, P., Yeboah R., Lamptey J., Frimpong Y., Agbenyaga O., Folitse R., Emikpe B., Tasiame, W., Owiredu, E-W., Oppong S., Antwi C., Adu-Sarkodie Y and Drosten C. 2020. Molecular-based cross-species evaluation of bovine coronavirus infection in cattle, sheep and goats in Ghana. BMC Veterinary Resaerch, pp 15. https://doi.org/10.21203/rs.3.rs-24727/v3
    2. Antwi, C..,Anderston, P., Anim-Jnr, A.S., Kiryowa, M., Adeola E.A. and Donkoh A. 2020. Intake, digestibility and nitrogen balance of sheep fed Bambara groundnut haulm as supplement to a maize stover basal diet. Scientific Africa, 8: 1-6. https://doi.org/10.1016/j.sciaf.2020.e00308
    3. Antwi, C., Mensa, P.A., Arthur, FKN., Frimpong, Y.O. and Baah, J. 2020. Direct fed microbials and its effect on the immunology of lambs. Biomedical Journal of Scientific & Technical Research 26(5), 229-234.  http://doi.org/10.26717/BJSTR.2020.26.004401
    4. Antwi, C.,Mensa, P.A., Arthur, FKN., Frimpong, Y.O. and Baah, J. 2019. Feeding differing direct fed microbials and its influence on growth and haematological parameters of growing lambs.
      Translational Animal Science. 3(3): 1-7. https://doi.org10.1093/tas/txz053
    5. Yeboah R., Sylverken A. A., Owusu M., El-Duah ., Barimuah V., Frimpong Y., Lamptey J., Eckerle I., Meyer B., Antwi C., Agbenyaga O., Folitse R., Emikpe B., Adu-Sarkodie Y and Drosten C. 2019. Potential intermediate hosts for coronavirus transmission: No evidence of clade 2c coronaviruses in domestic livestock from Ghana. Tropical Medicine and Infectious Disease 4 (34): 1-11. https://doi.org10.3390/tropicalmed4010034
    6. Ansah, K.O., Antwi, C., Osafo, E.L.K., Enning, S. & Adu-Dapaah, H. 2019. Manure characteristics of small ruminants fed agro by-products in the guinea savannah agro-ecological zone of Ghana. Ghana Journal of Agricultural Science. 54 (1), 67 – 76. https://dx.doi.org/10.4314/gjas.v54i1.7
    7. Mochiah, M. B., Antwi, C., Ennin, S. A. and Agyekum, D. A.. Minimising Insecticide application for sustainable cowpea and livestock production. International Journal of Agriculture and Food Science Technology. 10(1): 1-12.
    8. Jonker, A., Molano, G., Antwi, C. and Waghorn, G. 2016. Methane and carbon dioxide emissions by beef heifers fed alfalfa silage at three allowances and four feeding frequencies: measured by respiration chambers, SF6 tracer technique and a GreenFeed head-chamber system, Journal of Animal Science,94: 4326-4337 Doi:10.2527/jas2016-0646
    9. Jonker, Molano, G., Sandoval, E., Taylor, P. Antwi, C., Olinga, S. and G. Cosgrove. 2016. Methane emissions differ between sheep offered a conventional diploid, a high sugar diploid or a tetraploid perennial ryegrass cultivar at two allowances at three times of the year. Animal Production Science, 54:  1350–1353. http://dx.doi.org/10.1071/AN15597
    10. V. Attoh-Kotoku and Antwi, C. Forage Production, feeding and feeding systems. 2016. In: Training Manual on Smallholder Milk Production and Processing (Eds. Osafo, E.L.K., Karikari, P.K and Omojola, A.B.) pp151.
    11. Kouazounde, J. B., Gbenou, J. D., Babatounde, S., Srivastava, N., Eggleston, S. H. , Antwi, C. Baah, J. and McAllister, T. A. 2015. Development of methane emission factors for enteric fermentation in cattle from Benin using IPCC Tier 2 methodology, Animal, 9 (3): 526–533
    12. Jonker, A., Molano, G., Sandoval, E., Taylor, P. Antwi, C., Olinga, S. and G. Cosgrove. 2016. Methane emissions differ between sheep offered high sugar, tetraploid or conventional perennial ryegrass cultivar at two allowances in three seasons. Animal Production Science, 56(2-3): 402-408
    13. Osafo, E.L.K., V. Attoh-Kotoku., Ansah, T., Antwi, C., Ofori-Opare, D.N., Amoah-Twumasi, K., Owusu, P.B., Agyemang, P. 2016. Can Feeding Botanic Fractions, Accession of Napier grass (Pennisetum purpueum) and harvesting days influence methane emissions on small holder farms in the tropics? Animal Production Science, 56(2-3): 238-243

       

    14. Antwi, C. Greenhouse gas emissions and mitigation in the West African sub-region: challenges and opportunities. Journal of Animal Science, 94(suppl_5), 329-329. https://doi:10.2527/jam2016-0689

    15. Frimpong, Y. O., Antwi, C. and Agbenyega, O. Feeds, Feed Handling and Feeding Practices of Ruminant Livestock Farmers in Selected Farms in Ghana. Proceedings of Ghana Society of Animal Production, (Eds. Odoi, F.N.A., Apori, S.O. and Hagan, J.K.) University of Cape Coast, Cape Coast, 1st -5th August pp 286

    16. Osei-Adu, J., Ennin, S.A. Owusu Danquah, E., Antwi, C., Berchie, J.N., Amoah,S., Asumadu, H., Yeboah, S., Asante-Mensah, k. and Stirzaker, Richard. 2015. Integrated agriculture research for develop- ment (IAR4D) in practice, the case of the crop small ruminant Amantin IP in Ghana. Proceedings of International Conference on agricultural innovation systems in West and Central Africa (WCA), (Eds. Roy-Macauley, H. and Njoya, A.) 25 - 27 February in Saly – Senegal. pp 91

    17. Jonker, A., Molano, G., Antwi, C. and Waghorn, G. 2014. Feeding lucerne silage to beef cattle at three allowances and four feeding frequencies affects circadian patterns of methane emissions, but not emissions per unit of intake, Animal Production Science, 54:  1350–1353.

    18. Antwi, C., Osafo, E.L.K., Donkoh, A., and Adu-Dapaah, H. 2014. Chemical composition, gas production and degradation characteristics of haulms of improved dualpurpose cowpea (vigna unguiculata l. walp) Livestock Research for Rural Development. 26 (11).

    19. Antwi, , Twum-Barimah, L., Osafo, E.L.K., Donkoh, A., and V. Attoh-Kotoku. 2014. Dry Season Feed Resources for Small Ruminant in the Atebubu-Amantin District. Ghanaian Journal of Animal Science, 8 (1): 66-70.

    20. Jonker, A., Molano, , Sandoval, E., Taylor, P. Antwi, C. and G. Cosgrove 2014. Methane emissions by sheep offered high sugar or conventional perennial ryegrass at two allowances. Proceedings of the New Zealand Society of Animal Production, Napier, New Zealand, 30 June – 2 July 2014. Vol. 74: 5-10.

    21.  Ansah, K.O., Antwi, C., Ennin, S., Amoah, S, Osei-Adu, , Osafo, E.L.K. and Adu-Dapaah, H. 2014. Monitoring the feed intake and growth performance of Small Ruminants in the Atebubu-Amantin District. Ghanaian Journal of Animal Science, 8 (1): 87-93.

    22. Antwi, C. Feed improvement techniques for small ruminants. 25pp Prisebs publishers, Anwomaso, Kumasi. Ghana

    23. Antwi, , Osafo, E.L.K. and Fisher, D.S. 2008. The role of livestock production in climate change: A review. 10thWorld Conference on Animal Production, Cape Town International Conference Centre, South Africa. pp xii. (Abstract).

    24. Antwi, C., Osafo, E.L.K., Adu-Dapaah, H. and Fisher D.S. 2008. Improved dual-purpose cowpea lines as ruminant feed: yield, nutrient changes in storage and pesticide residue in cowpea haulms on the activities of rumen microorganisms. 10th World Conference on Animal Production, Cape Town International Conference Centre, South Africa. pp 188. (Abstract).
    25. Antwi, C., Osafo, E.L.K., Fisher, D.S., Baah, J. and Anane, K.O. 2010. The role of livestock production in greenhouse gases emission in Ghana. 4th International Conference on Greenhouse Gases and Animal Agriculture (GGAA), Banff, Alberta, Canada
    26. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout, H.M., Hassan, A.A., and Adu-Dapaah,H. 2010. Storage practices and their effect on nutrient and haulm availability of four dual-purpose cultivars of cowpea (Vigna unguiculatawalp) haulm. Ghanaian Journal of Animal Science, 5(2): 32-40.
    27. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout, H.M., Donkoh, A., Hassan, A.A., Sobhy, S.M.M., Salem, A.Z.M and Adu-Dapaah,H. 2012. Characterization of four improved dual purpose cultivars of cowpea. Ghanaian Journal of Animal Science, 6(1): 11-16.
    28. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout,H.M., Donkoh, A., Hassan, A.A., Sobhy, S.M.M., Salem, A.Z.M and Adu-Dapaah,H. 2012. Effects of cultivar, season and year on yield parameters of cowpea and the haulm’s potential as ruminant feed. Agricultural Science Research Journal, 2(6): 274-279.
    29. Antwi, , Osafo, E.L.K., Oppong-Anane, K. and Baah, J. 2013. The threat of changes in climate on livelihoods and food security in Ghana.  Ghanaian Journal of Animal Science, 7 (1): 87-92.      
    30. Osafo, E.L.K., Antwi, C., Donkoh, A., and Adu-Dapaah, H. 2013. Feeding graded levels of an improved cultivar of cowpea haulm as supplement for rams fed maize stover diet. International Journal of Agricultural Science, 8 (2): 87-93.       
    31. Antwi, , Kebreab, E., Jonker, A. and Osafo, E.L.K. 2013. Options for methane mitigation, challenges and opportunities in West Africa. Journal of Ghana Science Association, 15 (1): 93-98.
    32. Weber, K.L., Rendon, J.A., Antwi, C. and Kebreab, E. 2013. Methane Production is Not Associated with Sire Groups or Residual Feed Intake in Feedlot Angus Cattle. 5th International Conference on Greenhouse Gases and Animal Agriculture (GGAA), Dublin, Ireland, 23rd – 26th June 2013. Pp 348.  
    33. Weber, L., Welly, B., Rendon, J.A., Antwi, C., Acetoze, G.E., Kebreab, E., Mendes, D.M. and Van Eenennaam, A.L. 2013. Field assessment of progeny from sires with divergent residual feed intake genetic test results. Oral presentation at the ADSA-ASAS Joint Annual Meeting in Indianapolis, Indiana, July 8-12, 2013. Journal of Dairy Science. 96(E-Suppl. 1):170pp.
    34. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout,H.M., Donkoh, A., Hassan, A.A., Sobhy, S.M.M., Salem, A.Z.M and Adu-Dapaah,H. 2014. Effect of pesticides application in cowpea production on in vitro gas production. South Africa Journal of Animal Science, 44(3): 215-219.

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