Prof. Emmanuel Lartey Kwame Osafo

Professor


Research Areas/Interests


Publications

    Publications arising out of the Research

     

                Refereed Journal Articles 

    1. Marius, L.N., Shipandeni, M.N.T., Rodríguez-Campos, L.A. Emmanuel L. K. Osafo, Irvin D. T. Mpofu, Terry Ansah, Katrina L. Shiningavamwe, Victoria Attoh-Kotoku & Christopher Antwi. Seasonal variation in chemical composition and in-vitro gas production of woody plant species of semi-arid condition of Namibia (2021). Agroforest Syst 95, 1191–1204.

    https://doi.org/10.1007/s10457-021-00643-5

    1. Abdul Aziz, Y., Osman, A., Johnson, J.N., Osafo, E.L.K. and Akwetey, W.Y. (2020). Quality and sensory evaluation of ginger (Zingiber officinalis) flavoured yoghurt made from raw cow milk. Ghanaian Journal of Animal Science, Vol. 11 No.1. Pp 177 – 183.
    2. Abdul Aziz, Y., Osman, A., Donkor, W., Osafo, E.L.K. and Akwetey, W.Y. (2020). An assessment of the production practices and quality of milk used by local dairy processors in the Kumasi Metropolis and Asokore Mampong Municipality of the Ashanti Region of Ghana. Ghanaian Journal of Animal Science, Vol. 11 No.1. Pp 167 – 176
    3. Lala, A.O. Oso, L.K. Osafo, J.G.M. Houdijk, D.O. Eyarefe. (2020). Effect of high concentration of phytase supplementation on energy and nutrient digestibility of growing pigs fed with reduced dietary crude protein balanced with limiting amino acids. Livestock Science

    https://doi.org/10.1016/j.livsci.2020.104143

    1. Lala, A, A. Oso, Osafo, E.L.K. and J.G.M. Houdijk. 2020. Impact of reduced dietary crude protein levels and phytase enzyme supplementation on growth response, slurry characteristics, and gas emissions of growing pigs. Animal Science Jnl. 91(1) https://doi.org/10.1111/asj.13381
    2. Ansah, K.O., C. Antwi, L.K. Osafo, S. Enning and H. Adu-Dapaah. 2019. Manure characteristics of small ruminants fed agro-by-products in the guinea savannah agro-ecological zone of Ghana. Ghana Jnl Agric. Sci. 54 (1), 67 – 76.
    3. Abdul Aziz, Y., Osafo, E.L.K., Apori, S.O. and Osman, A. (2019). Effects of probiotics (RE3) supplementation on growth performance, diarrhoea incidence and blood parameters of N’dama calves. Ghanaian Journal of Animal Science, Vol.    10(1):164-173.
    4. Osman, A., Omohei, J. B., Osafo, E.L.K., Karikari, P.K. and Abdul Aziz, Y. (2019). Milk yield and composition of White Fulani cows reared under extensive system of management in the Sekyere Kumawu and Sekyere Afram Plains Districts of the Ashanti Region of Ghana. Ghanaian Journal of Animal Science, Vol. 10 (1):141-153 
    5. Osman, A., Kamaldeen, B.A., Osafo, E.L.K., Attoh-Kotoku, V. and Abdul Aziz, Y. (2019). Biomass yield and chemical composition of Red Napier grass harvested at 3 different dates after planting in the forest zone of Ghana. Ghanaian Journal of Animal Science, Vol. 10 (1): 154-165.
    6. Marius, L.N., L.K. Osafo, I.D.T. Mpofu, E. Lutaaya, K.L. Shiningavamwe,
    7. Missanjo & V. Attoh-Kotoku. Effect of Vachellia erioloba and Dichrostachys cinerea pod supplementation on performance of does and kids of Namibian Caprivi and Ovambo indigenous goats 2018. S. Afr. J. Anim. Sci. vol. 48 (5): 917-924.

    http://dx.doi.org/10.4314/sajas.v48i5.11 

    1. Osman, A., Osafo, E.L.K., Ohene-Yankyera, K., Oduro, W. and Attoh-Kotoku, V. Supplementary with paper mulberry (Broussonetia sonetia papyrifera) leaves on growth and blood incices of Djallonké rams fed Napier grass (Pennisetum purpureum) basal diet 2018. Ghanaian Journal of Animal Science. 9 (1):71-80.
    2. Marius, L.N., L.K. Osafo, I.D.T. Mpofu, P.van der Merwe, J.Boys and V. Attoh-Kotoku. 2017. Indigenous knowledge and identification of local woody plant species as potential feeds for goats in the communal farming areas of Namibia.  http://www.lrrd.org/lrrd29/1/mari29010.html
    3. 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. Afr. J. Anim. Sci. vol. 44 (3): 215-219.
    4. Ansah, K.O., Antwi, C., Ennin, S., Amoah, S, Osei-Adu, J., 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.
    5. Antwi, C., Osafo, E.L.K., Donkoh, A. and Adu-Dapaah, H. (2014). Chemical composition, gas production and degradation characteristics of haulms of improved dual purpose cowpea (vignaunguiculata l. walp) Cultivars. Livestock Research for Rural Development. 26 (11). pages
    6. Osei, D.Y., Osafo, E.L.K., Apori, S.O. and Hagan, J.K. 2014. Serum immunoglobulin concentrations in normal suckled and bovine-colustrum fed djallonke lambs during the first seven days postpartum. 2014. Ghanaian Journal of Animal Science. 8(1): 169-174.
    7. Antwi, C., Twum-Barima, L., Osafo, E.L.K., Attoh-Kotoku, V., Ennin, S. and Osei-Adu, J. 2014. Dry season feed resources for small ruminants in the Atebubu-Amantin District. Ghanaian Journal of Animal Science. 8(1): 66-70.
    8. Ansah, K.O., Antwi. C., Osafo, E.L.K., Ennin, S. and Adu-Dapaah, H. 2014. Monitoring of feed intake and growth performance of small ruminants in Atebubu-Amantin District. Ghanaian Journal of Animal Science. 8(1): 87-93.
    9. Antwi, C., E. Kebreab, A., Jonker and L.K. Osafo. 2013. Options for methane mitigation, challenges and opportunities in West Africa. J. Ghana Science Association 15 (1): 93-99.
    10. Ansah, T., Osafo, E. L. K. and Hansen, H. H. Variety, harvest date after planting and plant fraction of Napier grass influence in vitro gas production. Livestock Research for Rural Development. Volume 25, Article #78. Retrieved May 1, 2013, from http://www.lrrd.org/lrrd25/5/ansa25078.htm
    11. Osafo, E.L.K., Antwi, C., Donkoh, , 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 Research. 2013. DOI:10.3923/ijar.2013 pp 1-7.
    12. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout, H.M., Donkoh, , 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): 274-27
    13. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout, H.M., Donkoh, , 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.
    14. Osei, D.Y., Apori S.O., and Osafo, E.L.K. Rabbit production in selected urban areas of southern Ghana: Status and Implications for Policy and Research. Animal Production, 14(2):131-139.                      
    15. 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 unguiculata L.walp) haulm. Ghanaian Journal of Animal Science, 5(2): 32-40.
    16. Ansah, T., Osafo, L.K., and Hanne H. Hansen. 2010. Herbage yield and chemical composition of four varieties of Napier (Pennisetum purpureum) grass harvested at three different days after planting. Agriculture and Biology Journal of North America., 2010, 1(5): 923-929.
    17. Osei, D.Y., Osafo, E.L.K., Apori, S.O., Fynn, K., Dodoo, R. and Bayor, H. 2010.   The effect of cottonseed supplementation during late pregnancy on subsequent maternal and neonatal behaviour of Djallonké sheep. Ghanaian Journal of Animal Science, 5 (1): 16-23.        
    18. Karikari, P.K., Blasu, E.Y. and Osafo, E.L.K. Reproductive response of West African dwarf does to prostaglandin administration. World Applied Sciences Journal, 6 (4): 543-545.
    19. Osei, D.Y., Osafo, E.L.K., Apori, S.O and Adjei, A.D. 2009. Synchronisation and of oestrus and batch lambing in Djallonké sheep. Ghanaian Journal of Animal Science. 4 (1): 86-90.
    20. Osafo, E.L.K., V. Attoh-Kotoku, K. Oppong-Anane, and K. Fynn. 2008.

     Performance characteristics of lactating Djallonké ewes fed rice straw basal diets supplemented with Stylosanthes hamata. Journal of University of Science and Technology, 28(1): 57-64.

    1. Addah, W. Karikari, P.K., Osafo, E.L.K., Oppong-Anane, K. and Teye, G.A. 2007. The effects of under nutrition during pregnancy on the relationship between maternal plasma metabolites concentrations and lamb birth weight of adolescent Djallonké sheep. Ghanaian Journal of Animal Science 2&3: 71-79.
    2. Aning, K.G., E.S. Donkor, A. Omore, G.K. Nurah, L.K. Osafo and S. Staal. 2007. Risk of exposure to marketed milk with antimicrobial drug residues in Ghana. The Open Food Science Journal, 1: 1-5.
    3. Attoh-Kotoku, V., Osafo E.L.K., Oppong-Anane, K., Fynn, K., Darkwa, K. and Kwarteng, F.A. 2005. Determination of the passage rate of rice straw fractions from the rumen of Djallonké sheep using a potassium dichromate marker. Ghanaian Journal of Animal Science 1:33-38.
    4. Obese, F.Y., L.K. Osafo and D.B. Okai. 2001. Evaluation of the feeding value of palm press fibre using in vitro digestibility techniques. Tropical Animal Health and Production, 33: 165-172.
    5. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M. and Sherington, J. 1997. Effects of amount offered and chopping on intake and selection of sorghum stover by Ethiopian sheep and cattle. Animal Science, 65:55-62.
    6. Karikari, P.K., Gyawu, P., Asare, K. and Osafo, E.L.K. (1996). Assessment of the reproductive performance of a flock of Djallonké sheep bred in a humid forest environment. Journal of University of Science and Technology, (1&2) 6:9-13.
    7. Okai, D.B., L.K. Osafo, F.A. Kwarteng and J.K. Tackie, 1995. Haematological and serum biochemical patterns in Large White pigs raised in Ghana. Journal of University of Science and Technology, 15(1): 1-4.
    8. Okai, D.B., J.H. Topps, P. English, A.K. Tuah and E.L.K. Osafo. 1995. The effects of processed sheanut cake (SNC) and groundnut skins (GNS) on the growth performance and organ characteristics of rats. Ghana Journal of Biochemistry, Biotechnology and Molecular Biology, 3:76-82.
    9. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M., McAllan, A.B. and Sherington, J. 1993. Feeding chopped sorghum stover to Ethiopian sheep: Effects of sorghum variety and amount offered on intake, digestibility and live-weight change. Animal Production 56: 470 (Abstract).
    10. Khazaal, K., Mueller-Harvey, I., McAllan, A.B., Osafo, E., Owen, E. and Said, A.N. 1993. Effect on harvesting at different stages of growth and long-term storage on phenolics in sorghum stover. In: Animal Production in Developing Countries. Occasional Publication No. 16 - British Society of Animal Production. 1993 (eds) Gill, M., Owen, E., Pollott, G.E. and Lawrence, T.L.J. p 210-211.
    11. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M., McAllan, A.B. 1993. Feeding sorghum stover to Ethiopian sheep and cattle: Effect of chopping and amount offered on intake and selection. In: Animal production in developing countries, Gill, M., Owen, E., Pollott, G.E., Lawrence, T.L.J. (eds.). Occasional Publication - British Society of Animal Production, no. 16.p. 204-206.
    12. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M., McAllan, A.B., Kebede, Y. 1993. Sorghum stover as ruminant feed in Ethiopia: Effect of cultivar, site of growth, pre-harvest leaf stripping and storage on yield and morphology. In: Animal production in developing countries, Gill, M., Owen, E., Pollott, G.E., Lawrence, T.L.J. (eds.). Occasional Publication - British Society of Animal Production, no. 16. P. 188-189.
    13. Smith, O.B., Osafo, E.L. and Adegbola, A.A. 1988. Studies on the feeding value of agro-industrial by-products for livestock. vi. Strategies for improving the utilization of cocoa-pod based diets by ruminants. Animal Feed Science Technology, 20(3):189-202.                                                

     

    1. b) Edited Conference proceedings and refereed abstracts
    2. Osman, A., Osafo, E.L.K., Attoh-Kotoku, V., Abdul-Aziz, Y and Idan, F. (2021). Effects of supplementing probiotics and concentrate mix on intake and growth performance of intensively kept Sahelian does fed a basal diet of Brachiaria decumbens Proceedings of the 1st Joint Ghana Society for Animal Production (GSAP)/Ghana Animal Science Association (GASA) Biennial Conference, International Conference Centre, University for Development Studies (UDS), Tamale, Ghana. Pp 409 - 421.
    3. Abdul-Aziz, Y., Osman, A., Idan, F., Osafo, E.L.K., Gyamera, E., Apori, S.O. (2021). An assessment of the knowledge and willingness of urban and peri-urban cattle farmers to cultivate pasture in some selected communities in the Ashanti Regions of Ghana. Proceedings of the 1st Joint Ghana Society for Animal Production (GSAP)/Ghana Animal Science Association (GASA) Biennial Conference, International Conference Centre, University for Development Studies (UDS), Tamale, Ghana. Pp 617 - 628.
    4. Sasu, P., Atto-Kotoku, V., Osafo, E.L.K., Anim Jnr, A.S., Kwaku, M., Osman, A. and Abdul-Aziz, Y. (2021). Comparative nutritional assessment of the leaves of some selected tropical bamboo and conventional grass forages for ruminant livestock production. Proceedings of the 1st Joint Ghana Society for Animal Production (GSAP)/Ghana Animal Science Association (GASA) Biennial Conference, International Conference Centre, University for Development Studies (UDS), Tamale, Ghana. Pp 460 - 474.
    5. Osman, A., Osman, A., Osafo, E.L.K., Attoh-Kotoku, V., Abdul Aziz, Y. and Idan, F. (2021). Effects of supplementing probiotics and concentrate mix on the blood profile of intensively kept sahelian does fed a basal diet of Brachiaria decumbens grass. Proceedings of the 32nd Biennial Conference of Ghana Science Association, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi Ghana Pp 68.
    6. Osman, A., Osafo, E.L.K., Attoh-Kotoku, V., Abdul Aziz, Y. and Idan, F. (2021). Effects of supplementing probiotics and concentrate mix on the blood profile of intensively kept Sahelian does fed a basal diet of Brachiaria decumbens Proceedings of the 32nd Biennial Conference of Ghana Science Association, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi Ghana Pp 68.
    7. Lala, A. O., J.G.M Houdijk, L.K. Osafo, A.O. Oso 2018. Effects of feeding varying levels of crude protein with or without exogenous phytase on growth and slurry gas emissions of growing pigs. 9-11 April 2018, Croke Park Stadium, Dublin BSAS

    Conference on Innovation to compete in the global livestock Industry. Dublin. Ireland.

    1. Lucia N. Marius, L.K Osafo, I. Mpofu, P. van der Merwe, K.L Shiningavamwe and E. Lutaaya. 2016. Effect of Acacia erioloba and Dichrostachys cinerea supplementation on does and kids growth of indigenous Namibian goats. 2016, University of Chester, Parkgate Road, Chester CH1 4BJ, UK, BSAS Conference on Animal Science for sustainable Future, 6-7 April, 2016.
    2. Osafo, E.L.K., Attoh-Kotoku, V., Ansah, T., Antwi, C., Ofori-Opare, D.N., Amoah-Twumasi, K., Owusu, P. B and P. Agyemang. 2016. Can feeding botanic fractions, variety of Napier grass (Pennisetum purpureum) and harvesting days be used to mitigate methane emissions on smallholder farms in the tropics? Poster No. 037. 6th Greenhouse Gas and Animal Agriculture Conference, 14-18 February, 2016. Melbourne Australia.
    3. Attoh-Kotoku, V., Emikpe, B., Osafo, E.L.K., Donkoh, A. and Tawiah, O.D. (2015). The prevalence and direct financial implications of pneumonia in slaughtered cattle in Kumasi abattoir, Ghana. Proceedings of the British Society of Animal Science held at Chester, UK, April, 2015. Advances in Animal Biosciences, 6 (1): 146. April 14-15.
    4. Attoh-Kotoku, V., Osafo, L. K., Donkoh, A., Atuahene, C.C. 2013. The effect of Samanea saman and Stylosanthes hamata supplementation on intake and microbial nitrogen production in Djallonké sheep fed/offered Nerica 1 rice straw basal diet. Proceedings of the British Society of Animal Science held April, 2013, Nottingham, UK. Advances in Animal Biosciences 4(1):56.
    5. Attoh-Kotoku, V., Osafo, E. L. K., Donkoh, A., Atuahene, C.C., Dagbui, E., Akpadie., W. 2013. Influence of three protein sources (soyabean meal, groundnut meal and blood meal) with or without fishmeal, on performance of growing greater cane rats (grasscutters). Proceedings of the British Society of Animal Science held April, 2013, Nottingham, UK. Advances in Animal Biosciences 4(1):38.
    6. Attoh-Kotoku, V., Akwetey, W. Y., Osafo, L. K., Donkoh, A., Atuahene., C.C. 2013. Roasted (dehulled) cowpea (Vigna unguilata) flour (RCF) as an extender in beef burgers. Proceedings of the British Society of Animal Science held April, 2013, Nottingham, UK. Advances in Animal Biosciences 4(1):158.
    7. Ansah, T., Hansen, H.H., Osafo, L.K. and Hinderichsen, I. K. 2012. Variety, harvest date after planting and fraction of Napier grass influence in vitro gas production, Tropentag, 2012, September 19-21, 2012, Gottingen Kassel/Witzenhausen, Germany.
    8. Asante, A., Osei-Boakye, A. and Osafo, L.K. 2012. Improving the shelf life of the ‘wagashi’ (soft cheese) using brine and extracts of local spices. Ghana Society of Animal Production (GSAP) Conference.
    9. Attoh-Kotoku, V., Osafo, E. L. K. and Addey, E. 2012. Supplementation of Moringa oleifera leaves and Samanea saman pods on intake, N digestibility and N balance in Djallonké sheep fed Napier grass basal diet. Proceedings of the British Society of Animal Science held April, 2012, Nottingham, UK. Advances in Animal Biosciences 3(1):79.
    10. Osafo, E.L.K., Osman, A. and W. Oduro. Broussonetia papyrifera leaves as supplement increases total feed intake of Djallonké rams offered Napier grass. 2012. Proceedings of the British Society of Animal Science and the Association of Veterinary Teaching and Research Work held April, 2012, Nottingham, UK. Advances in Animal Biosciences, 3(1):80.
    11. Attoh-Kotoku, V. and Osafo, E.L.K. The effect of Samanea saman and Stylosanthes hamata supplementation on intake and NDF digestibility of Nerica 1 rice straw basal diet in Djallonké sheep. Proceedings of the British Society of Animal Science held April, 2011, Nottingham, UK Advances in Animal Biosciences, 2(1): 169.
    12. Attoh-Kotoku, V., Osafo, E.L.K. and Addey, E. 2012. Feed intake and nutrient digestibility of sheep fed Napier grass supplemented with Moringa oleifera leaves and dried Samanea saman Proceedings of the Ghana Society of Animal Production Symposium, 17: 53-55.
    13. 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.
    14. Ansah, T., Hanne H Hansen and L.K Osafo. 2009. In vitro gas digestibility of four varieties of Napier grass harvested at three different dates. Presented at the 16th Biennial Ghana Society of Animal Production (GSAP) conference, KNUST, Ghana (5th -8th August 2009).
    15. Antwi, C., Osafo, E.L.K., Fisher, D.S., Donkoh, , Yacout, H.M., Hassan, A.A., Sobhy, S.M.M., Salem, A.Z.M. and Dapaah, A.D. 2009. The effect of cypermethrin residues on rumen fermentation parameters. 22nd Biennial Conference of the Ghana Animal Science Association, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana. pp 40-45.
    16. Antwi, C., Osafo, E.L.K., Fisher, D.S., Yacout, H.M., Hassan, A.A., Sobhy, S.M.M., Salem, A.Z.M. and Dapaah, H.A. 2009. Effect of cultivar on grain and haulm yield and degradation characteristics of cowpea haulm. 16th Biennial Conference of the Ghana Society of Animal Production, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana. pp 1-6.
    17. Antwi, C., Osafo, E.L.K., Ansah, O.K., Fisher, D.S., Mensah, N.E., Acquah, S.J. and Yacout, H.M. Composting feed refusals of cowpea haulm and maize stover with goat manure. ANA World Conference on Animal Nutrition, NASC Complex, New Delhi, India. pp 2 (Extended abstract).
    18. Attoh-Kotoku, V., Donkoh, A., Osafo, E.L.K. and Osei, J. 2007. Varying levels of maize bran in diets on the performance and carcass characteristics of starter-grower pigs. Proceedings of the 15th GSAP Conference held 1-4th August 2007 at the Faculty of Agriculture, K.N.U.S.T., pp 169-173.
    19. Attoh-Kotoku, V., Osafo, E.L.K. and Dartey, K. 2007. Chemical composition of straws of four improved rice varieties cultivated at two different locations. College of Agriculture and Natural Resources Scientific Retreat. 19-21st September, 2007. Eusbett Hotel, Sunyani, Ghana.
    20. Attoh-Kotoku, V. and Osafo, E.L.K. 2006. The degradation characteristics of rice straw fractions from the rumen of West African Dwarf sheep. Proceedings of the 28th Ghana Animal Science Association Symposium 6-9th September, 2006, Kintampo.
    21. Osafo, E., D. Barton and Asiamah, M. 2006. Training herdsmen, milk processors and market agents in dairy hygiene and processing to improve livelihoods and enhance food safety. Final Technical Report for LPP Project 7321.
    22. Osafo, E.L.K., Addai, K.N. and Twum, E.B. 2006. Preliminary studies on the

    formulation and manufacturing of multinutrient block as supplement for ruminants. Proceedings of the 28th Ghana Animal Science Association Symposium, 6-9th September, 2006, Kintampo.

    1. Staal, S.J., Omore, A., Kurwijilla, L., Osafo, E., Barton, D., Aning, K.G., Mdoe, N., and Nurah, G. 2004. Improving public health and marketing in indigenous African dairy markets: Synthesis of findings from research in Ghana and Tanzania. MOSD Research Report. International Livestock Research Institute, NRI, University of Science and Technology, Sokoine University of Agriculture and Animal Research Institute.
    2. Omore, A. S.J. Staal, Osafo, E.L.K., Kurwijilla, L., Barton, D., Mdoe, N., Nurah, G. and Aning, G. 2004 Market mechanisms, efficiency, processing and public health risks in peri-urban dairy product markets: Synthesis of findings from Ghana and Tanzania. Final Technical Report for LPP Project R7321 (www.dfid.gov.uk/r4d/PDF/outputs/R7321f.pdf)
    3. Osafo, E.L.K., Barton, D., Osei-Mensah, P., Aning, G. and Gyiele, N.K. 2002.

    Processing, prolonging shelf life and consumer acceptance of ‘wagashi’ ( a soft cheese) in Ghana. Presented at Final Workshop for DFID project R 7321, Accra.

    1. Osafo, E.L.K., D. Barton, P. Osei Mensah, G. Aning and N.K.Gyiele. 2002.

    Improving livehood through improving the shelflife of 'wagashi', a West African soft cheese using Xylopia aethiopica, boiling and brine. British Society Animal Science Occasional meeting. Merida Mexico – November 2002. pp 248-249.

    1. Osafo, E.L.K., Barton, D., Osei-Mensah, P., Yakubu, M.S., Baffour-Agyemang, P. Aning, G., Gyasi, A. and Gyiele, N. 2002. A comparison of the coagulation efficiency of the leaves and stems of Calotropis procera in ‘wagashi’ (West African soft cheese) production.
    2. Osafo, E.L.K., Barton, D., Osei-Mensah, P., Yakubu, M.S., Baffour-Agyemang, P. Aning, G. and Gyiele, N. 2002. Improving the yield and shelflife of ‘wagashi’, a West Africa soft cheese produced with stems of Calotropis procera. www.r4d.dfid.gov.uk/Project/2184/Default.aspx
    3. Omore A., Staal S.J., Kurwijilla L., Osafo E., Aning G., Mdoe N. and Nurah G.
    4. Indigenous markets for dairy products in Africa: Trade-offs between food safety and economics. In: Gooijer J.H.A. de (ed), Dairy development in the tropics. Programme and abstracts of the 12th symposium on tropical animal health and production, Utrecht, The Netherlands, 2 November 2001. Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands. pp. 19–23.
    5. Osafo, E.L.K., P. Osei-Mensah, D. B. Okai, G.K. Nurah, G.K. Aning, D. Adom-Gyasi. 2000.  A preliminary study of local cheese (woagashie) production and preservation by the Fulani women in the peri-urban areas of Kumasi. Proc. 25th GASA Symp. KNUST, Kumasi (Abstr.).
    6. Osafo, E.L.K., Barton, D., Gyiele, N. and Aning, G. 1999. Milk marketing, production, processing and public health in Ghana: a review of literature. Pp.27.

    Gyiele, N.K., Osafo, E.L.K., Aning, G., Ahiale, D. and D. Barton. 1999. PRA

    report on milk marketing, processing and public health in the Kumasi and Accra peri-urban areas of Ghana.

    1. Osafo, E.L.K., Donkor, W., Okai, D.B., Bonsi, M.L.K. and Oppong-Peprah, M. 1998. Investigation on the use of leaf plus sheath to stem ratio as an index of nutritive quality of maize stover varieties. Proc of 24th GASA Symp, University of Science and Technology, Kumasi.
    2. Osafo, E.L.K., Owen, E., Ellis, R.H., Said, A.N., Gill, M., and Sherington, J. 1998. Stability of yields of sorghum genotypes: implications for animal production in the tropics. International Conference, Food, Lands and Livelihoods: Setting Research Agendas for Animal Science, organised by the British Society of Animal Science and Kenya Agricultural Research Institute and held in Nairobi 27-30 January 1998.
    3. Osafo, E.L.K., E. Owen, J. Methu, A. Abate, J.C. Tanner and A.A.O Aboud. 1997. Excess feeding of stovers from sorghum and maize for small ruminants and cattle in cereal based integrated farming systems in Africa. Second FAO Electronic Conference (August, 1996- February 1997).
    4. Owen, E. and Osafo, E.L.K. 1997. Feed sorghum stover (stalks) to cattle, sheep and goats. Livestock Research Extension Note 1. Livestock Production Programme. Chatham, Natural Resources International Limited.
    5. Okantah, S.A., Oddoye, E.O.K., Obese, F.Y., Karikari, P.K., Osafo, E.L.K., Kwarteng, F.A., Mamah, A., Mumuni, A. and Gyawu, P. 1996.  Develop¬ment of feed supplementation strategies for improving the productivity of dairy cattle on smallholder farms in Ghana.  Paper presented at IAEA/FAO Regional Co-ordination Meeting, Rabat, Morocco, 1-5 April, 1996.
    6. Osafo, E.L.K., D.B. Okai, M.K. Buadu and F. Hammond. 1996. The effects of gliricidia supplementation on feed intake and live-weight change of West African Dwarf goats fed coffee-pulp containing diets. Proceedings of IV International Conference on Goats, held in China, May, 1996. No. 35Fs.
    7. Okai, D.B., S.A. Osei, A.K. Tuah, L.K. Osafo, S.Twumasi-Afriyie, W.L.Haag and B.D. Dzah. 1996. Utilization of Obatanpa, A Quality Protein Maize (QPM) to meet the amino acids needs of pigs in Ghana. Proc. All Africa Conference on Animal Agriculture. Univ. of Pretoria, S. Africa. Paper No. 1.B.17. 3pp (& Poster).
    8. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M. and Sherrington, J. 1996. The effect of variety and amount offered of chopped sorghum stover on the performance of sheep. In: Lebbie, S.H.B. and Kagwini (eds), E. 1996. Small Ruminant Research and Development in Africa. Proceedings of the third Biennial Conference of the African Small Ruminant Research Network, UICC, Kampala, Uganda, 5-9 December, 1994. ILRI (International Livestock Research Institute) Nairobi, Kenya pp 177-181.
    9. Karikari, P.K., Gyawu, P., Asare, K. and Osafo, E.L.K. (1995). Reproduction in Djallonke sheep reared in the forest belt of Ghana.  Proceedings of the 8th Biennial General Conference of the Ghana Society of Animal Production, University of Ghana, Legon, Ghana, 24-27 September,1995.
    10. Okai, D.B., Akolgo, R.A., Osafo, E.L.K., Bonsi, M.L.K. and Tuah., A.K. 1995. The effects of higher dietary wheat bran levels on the growth performance, feeding economy and carcass characteristics of growing-finishing pigs. Proceedings of the 8th Biennial General Conference of the Ghana Society of Animal Production. University of Ghana, Legon-Accra. (Abstr.).
    11. Okai, D.B., Osei, S.A., Tuah, A.K., Twumasi-Afriyie, S., Haag, W., Dzah, B.D.,

    Ahenkorah, K. and Osafo, E.L.K. 1994.  The usefulness of Obatanpa, a quality protein maize variety in the feeding of pigs in Ghana.  Proceedings of the 22nd Annual GASA Symposium. University of Cape Coast, Cape Coast. p. 37-43.

    1. Osafo, E.L.K., Owen, E., Said A.N. and Gill, M. 1994. Amount offered and chopping as tools for improving on intake and growth of sheep offered sorghum stover. Proceedings of Ghana Animal Science Association, 22:157-163.
    2. Buadu, M.K. and Osafo, E.L.K. 1994. The effect of mortality on the probable multiplication of sheep in the humid tropical zone in Ghana. Proc. Ghana Anim. Sci. Assoc. 22:111-117.
    3. Owen, E. Odoi, F.N.A. and Osafo, E.L.K. 1993. Practical approaches to feeding straw. In: Straw- A valuable raw material. Proceedings of the PIRA International Conference, 20-22 April, 1993.
    4. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M., McAllan, A.B. and Sherington, J. 1993. Use of chopped sorghum stover as feed for Ethiopian sheep: Effects of sorghum variety and amount offered on intake, digestibility and live-weight change. Abstract no. 253. World Conference on Animal Production. Edmonton, Canada.
    5. Osafo, E.L.K., Owen, E., A.A.O. Aboud, Said, A.N., Gill, E.M. and McAllan, A. 1992. Feeding sorghum stover to Ethiopian sheep: effect of chopping and amount offered on growth, intake and selection. In: Lindberg, J.E. (ed), FAO Network of Cooperative Research on sheep and goats; Proceedings of the Meeting of the Subnetwork Nutrition, Ostersund, Sweden, Uppsala: Swedish University of Agricultural Sciences, Report 215, 1992, 52.
    6. Osafo, E.L.K., Owen, E., Said, A.N., Gill, E.M., McAllan, A.B. and Sherington, J. 1992. Feeding sorghum stover to Ethiopian, yearling cattle: effects of amount of stover offered and cottonseed cake supplement on intake and growth. Animal Production 54: 501 (Abstract).
    7. Osafo, E.L.K., Owen, E., Aboud, A.A.O., Said, A.N.,Gill, E.M., McAllan, A.B. 1991. Feeding sorghum stover to Ethiopian sheep: Effect of chopping and amount offered on growth, intake and selection. Animal Production 52: 607 (Abstract).
    8. Osafo, E.L.K., Agyei, E.O. and Okai, D.B. 1989. A survey of goat production in selected urban and rural areas of the humid forest zone of Ghana. Proceedings of the 18 - 19th GASA Symposium, U.S.T., Kumasi. p. 139 (Abstr.).
    9. Obese, F.Y., L.K. Osafo and D.B. Okai.1989. Evaluation of the feeding value of palm press fibre using in-vitro techniques. Proceedings of the 18 - 19th GASA Symposium. U.S.T., Kumasi. p. 141 (Abstr.).
    10. Okai, D.B., and L.K. Osafo, 1986. Some blood constituents of neonatal Large White pigs raised in a tropical environment. Proceedings of the 14 - 17th GASA Symposium., U.S.T., Kumasi. p. 160 (Abstr.).
    11. Okai, D.B., Osafo, E.L.K. and Adomako, D. 1984. Effect of different levels of cocoa-pod husk on performance and carcass characteristics of finishing pigs. Proceedings of the 9th International Cocoa Conference., Lome - Togo Feb. 12-18, 1984. pp. 455-459.
    12. Osafo, E.L.K. and Okai, D.B. 1980. The response of haemoglobin to different

    methods of iron administration in neonatal swine. Proceedings of the 11th Animal Science Symposium. pp. 31-37 UST. Kumasi.

     

    1. Conferences/Seminars and Workshops at which papers were read.
    2. i) Tropentag, 2012, September 19-21, 2012, Gottingen Kassel/Witzenhausen, Germany.

    ii).  British Society of Animal Science Conferences –April, 2011-2013 held at the University of Nottingham, England.

    iii). Ghana Society of Animal Production Conferences.

    v). Ghana Animal Science Association Symposia.

    vi). 4th International Conference on Greenhouse Gases and Animal Agriculture (GGAA), Banff, Alberta, Canada. 2010.

    vii) Proceedings of Ghana Society of Animal Production and Ghana Animal

        Science Association.

    viii) 6th International Greenhouse Gases and Animal Agriculture Conference         February, 2016. Melbourne, Australia.

     

    1. i) Other publications:

               

    1. BOOKS

                Chapters in Books and monographs.

    1. Osafo, E.L.K., Karikari, P.K. and Omojola, A.B. (Eds) 2018. Training manual on smallholder milk production and processing. KNUST University Press. Pp1-198.
    2. Osafo, E.L.K. 2018. Milk production systems. In: (Eds) Osafo, E.L.K., Karikari, P.K. and Omojola, A.B. 2018. Training manual on smallholder milk production and processing. KNUST University Press. Pp1-23.
    3. Karikari, P.K and L.K. Osafo. 2018. Milk, its collection and reception. In: (Eds) Osafo, E.L.K., Karikari, P.K. and Omojola, A.B. 2018. Training manual on smallholder milk production and processing. KNUST University Press. Pp113-131.

     

    1. Fialor, S.C. and L.K. Osafo. 2018. Marketing of milk and milk products. In: (Eds) Osafo, E.L.K., Karikari, P.K. and Omojola, A.B. 2018. Training manual on smallholder milk production and processing. KNUST University Press. Pp181-192.
    2. Peacock, C., C. Devendra, C. Ahuya, M. Roets, M. Hossain and E. Osafo. 2005. Goats. In:  Livestock and wealth creation: improving the husbandry of animals kept          by resource-poor people in developing countries. (Eds) Emyr Owen, Aichi J Kitalyi,       Noble Jayasuriya, & Timothy Smith. Nottingham University Press pp 361- 386.
    3. Oduro, W., Adogla-Bessa, T. and E. Osafo. 2005. Giant African snails. In: Livestock           and wealth creation: improving the husbandry of animals kept by resource-poor      people in developing countries. (Eds) Emyr Owen, Aichi J Kitalyi, Noble Jayasuriya, & Timothy Smith. Nottingham University Press pp 283-300.
    4. Adu, E. Paterson, R., Rojas, F., Laswani, G., Fielding, D. and E. Osafo. 2005. Grasscutters, guinea-pigs and rabbits. In:  Livestock and wealth creation: improving             the husbandry of animals kept by resource-poor people in developing countries. (Eds)       Emyr Owen, Aichi J Kitalyi, Noble Jayasuriya, & Timothy Smith. Nottingham   University Press pp 325-341.
    5. Osafo, E.L.K., Barton, D. and M. Asiamah. 2005. Training herdsmen and small scale wagashi processors in dairy hygiene and production techniques. Manual on processing techniques for small scale processors. pp 16.

     

    1. Departmental Reports to the International Atomic Energy Agency (IAEA). Vienna.

    Austria.

    • Owen, E., Osafo, E.L.K., Osei, S.A., Okai, D.B., Yambilla, S.S. and Kabuga, J.D. 1987. Pilot experiment to determine whether cowpea straw digestibility in vitro is improved by treatment with NaOH and to compare the response (if any) with that of rice straw (Experiment at U.S.T., Animal Science Dept. 1-15 Dec., 1987.
    • Osafo, E.L.K., Okai, D.B. Gyawu, P., Tuah, A.K., Kabuga, J.D.and Yambilla, S.S. 1988. Studies on the feeding value of crop residues. I. The in vitro digestibility of 3 rice straw varieties treated with NaOH.
    • Osafo, E.L.K., Tuah, A.K., Okai, D.B., Osei, S.A., Agyepong-Yamoah, A., Kabuga, J.D. and Yambillah, S.S. 1988. Studies on the feeding value of crop residues. II. In vitro digestibility of maize stover.
    • Kabuga, J.D., Osafo, E.L.K., Tuah, A.K., Okai, D.B., Kese, A.G. and Yambillah, S.S. 1988. Studies on the feeding value of crop residues: III. Dry matter digestibility of cocoa pod husk, coffee pulp and rice bran.
    • Osafo, E.L.K., Okai, D.B., Tuah, A.K., Osei, S.A., Adjepong-Yamoah, C. Kabuga, J.D. and Yambillah, S.S. 1988. Studies on the feeding value of crop residues: IV. In vitro digestibility of factory effluent-treated maize stover.
    • Okai, D.B., Kabuga, J.D., Tuah, A.K., Osei, S.A., Agyepong-Yamoah, Osafo, E.L.K. and Yambillah, S.S. 1988. Studies on the feeding value of crop residues: V. Effect of wood ash solute-ions on dry matter digestibility of maize stover.

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