Dr. Alhassan Osman

Research Fellow

Dept: KNUST Dairy/Beef Cattle Research Station
Dairy/Beef Cattle Research Station, Boadi
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Research Areas/Interests

Ruminant nutrition and management Pasture establishment and management Forage evaluation and conservation Use of agro-industrial by-products in rum...~more

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Publications

    Peer-reviewed Journal Publications

    1. Osman, A., Osafo, E.L.K., Ohene-Yankyera, K., Oduro, W., and Attoh-Kotoku, V. (2018). Supplementation with Paper mulberry (Broussonetia papyrifera) leaves on growth and blood indices of Djallonké rams fed Napier grass (Pennisetum purpureum) basal diet. Ghanaian Journal of Animal Science, Vol. 9 No.1. Pp 71 – 80

    1. Osman, A., Karikari, P.K., Osafo, E.L.K. and Attoh-Kotoku, V. (2018). Smallholder urban cattle production: prospects and challenges in the Kumasi Metropolis and Asokore Mampong Municipality of the Ashanti Region of Ghana. Ghanaian Journal of Animal Science, Vol. 9 No.2. Pp 98 – 110.

    2. 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 No.1. Pp 141 – 153.

    3. 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 No.1. Pp 154 – 165

    4. Adomako, K., Hamidu, J.A., Peprah, F.F., Turkson, J., Osman, A., Deku, G. and Olumpio, S.O. (2019). Effect of different cross combinattions on the reproductive and pre-weaning growth performance of two rabbit breeds. Ghanaian Journal of Animal Science, Vol. 10 No.1. Pp 91 – 97.

    5. 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 No.1. Pp 164 – 171.

    6. Osman, A., Antiri, L.A., Owiredu, E., Amoah, K.O. and Karikari, P.K. (2020). Effects of feeding graded levels of Ackee Leaf Meal on nutrients digestibility, growth performance and carcass characteristics of weaner rabbits. Animal Research Internatinal 2020 17(2): 3713 – 3722.

    7. 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.

    8. 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

    9. Osman, A., Bashiru, U. I., Agbesi, D., Abdul Aziz, Y., Amoah, K. O. and Osafo, E.L.K. (2022). Effects of the dietary inclusion of varying levels of Paper mulberry (Broussonetia papyrifera) leaf meal on growth performance, nutrients digestibility and carcass characteristics of grower rabbits. Animal Research International  19(1): 4354 – 4366.

    10. Sasu P, Attoh-Kotoku V, Anim-Jnr AS, Osman A, Adjei O, Adjei-Mensah B, Edinam Aku Akoli D, Adjima Tankouano R, Kwaku M and Obloni Kweitsu D. (2023) Comparative nutritional evaluation of the leaves of selected plants from the Poaceae family (bamboos and grasses) for sustainable livestock production in Ghana. Sustain. Food Syst. 7:1087197. doi: 10.3389/fsufs.2023.1087197

    11. Osman, A., Osafo, E.L.K., Attoh-Kotoku, V., Abdul Aziz Y. (2023). Effects of supplementing probiotics and concentrate on intake, growth performance and blood profile of intensively kept Sahelian does fed a basal diet of Brachiaria decumbens grass, Journal of Applied Animal Research, 51:1, 414-423, DOI: 10.1080/09712119.2023.2211652

    12. Osman, A., Osafo, E.L.K., Attoh-Kotoku, V., Abdul Aziz Y., Anim-Jnr, A.S., Akwetey, W.Y. and Antwi, C. (2023). Carcass characteristics and meat quality of adult Sahelian does fed a basal diet of Brachiaria decumbens grass supplemented with probiotics and concentrates, Cogent Food & Agriculture, 9:1, 2225259, DOI: 10.1080/23311932.2023.2225259

    13. Osman, A., Abdul Aziz, Y., Amoah, K.O., Osafo, E.L.K., Attoh-Kotoku, V. and Sasu, P. 2023. Growth performance, nutrient digestibility and carcass characteristics of grower rabbits fed graded levels of Bamboo (Bambusa vulgaris) leaf meal. J. Agril. Res. Innov. Tech. 13(1): 6-14. https://doi.org/10.3329/ijarit.v13i1.67945

    14. Idan F, Adogla-Bessa T, Owusu Sarkwa F, Antwi Ch, Osman A, and Abdul Aziz Y (2023). Effects of fodder tree leave supplementation for basal rice straw diet on rumen ammonia, pH, and degradation characteristics in sheep. Online J. Anim. Feed Res., 13(4): 286-294. DOI: https://dx.doi.org/10.51227/ojafr.2023.43

    15.  Osafo ELK, Osman A, Attoh-Kotoku V, Antwi Ch, Abdul Aziz Y and Idan F (2023). Chemical composition and in vitro gas production of Brachiaria decumbens harvested at different stages of growth in the hot humid region. Online J. Anim. Feed Res., 13(4): 302-312. DOI: https://dx.doi.org/10.51227/ojafr.2023.45

    16. Yunus, A.A., Osafo, E.L.K., Osman, A., Apori, S.O., Attoh-Kotoku, V., Antwi, C., Idan, F. and Gyamera, E. (2023). Effects of concentrate supplement on dry matter and water intake, nutrient digestibility and nitrogen balance of N’dama bull calves fed Napier grass basal diet. Ghanaian Journal of Animal Science, 14 No.1. Pp 36 – 45.  https://dx.doi.org/10.4314/gjansci.v14i1.5

    17. Ansah, K.O., Osafo E.L.K., Osman, A., Opoku, G.C. and Ansah, A.S. (2024). Dose-dependent effects of biochar inclusion on growth, hematological, manure and carcass characteristics of rabbits. Ghanaian Journal of Animal Science, 15(1): 60 – 76. https://dx.doi.org/10.4314/gjansci.v15i1.7

    18. Osman, A., Owusu, A.A., Ofosu, J., Sasu, P., Abdul Aziz,Y., Attoh?Kotoku,V. and Osafo,E.L.K. (2024). Additive effects of Bridelia ferruginea leaf meal as a partial replacement for soybean meal on nutrients digestibility, growth performance, and carcass characteristics of weaner rabbits. CABI Agriculture and Bioscience (2024) 5:87. https://doi.org/10.1186/s43170-024-00276-5

    Edited Conference Proceedings and Refereed Abstracts

    1. 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.
    1. 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.
    1. 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.
    1. 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.
    1. Abdul Aziz, Y., Osman, A., Osafo, E.L.K., Idan, F., Apori, S.O., Gyamera, E. and Attoh-Kotoku, V. (2022). Effects of concentrate supplement on feed intake, growth performance and blood parameters of N’dama calves fed cultivated Napier grass basal diet. BSAS 78th Annual Conference 2022 held at the East Midlands Conference Centre and virtually on 12th – 14th April 2022 in Nottingham.
    1. Osman, A., Abdul Aziz Y., Idan, F., Antwi, C., Osafo, E.L.K., and Attoh-Kotoku, V. (2023). Growth performance, nutrients digestibility and carcass characteristics of grower rabbits fed graded levels of Samanea saman leaf meal. 12th GSA Research Seminar and Poster Presentations. The celebration of the International Year of Basic Sciences for Sustainable Development (IYBSSD-2023) held at Kwame Nkrumah University of Science and Technology, Kumasi form 8-9th March, 2023.
    1. Ansah, K.O., Osafo, E.L.K., Osman, A. (2023). Effects graded levels of biochar inclusion on nutritive value and gas production characteristics of Brachiaria mulatto Book of Abstracts, 3rd biennial Science and Development Conference of the College of Basic and Applied Sciences held at Great Hall & ISSER Conference Centre, University of Ghana from 29 – 31st March, 2023.
    1. Attoh-Kotoku, O.K. Gyimah, A. Donkoh, A. Osman, Y.A. Aziz, E.L.K. Osafo (2023). Effect of solid state fermentation using oyster mushroom on the chemical composition of Brachiaria mulato II, Bambusa vulgaris, Napier grass and Panicum, four Tropical forages, incubated for 60 days. The Proceedings of the British Society of Animal Science’s Annual Conference, BSAS 79th Annual Conference 2023 held at the International Conference Centre, Birmingham Centre and virtually on 28th - 30th April 2023.

    1. Osman, A., Owusu, A.A., Ofosu, A.J., Sasu, P., Abdul Aziz, Y., Attoh-Kotoku, V. and Osafo, E.L.K. (2023). Additive Effects of Bridelia Ferruginea Leaf Meal as Partial Replacement for Soya Bean Meal on Nutrients Digestibility, Growth Performance and Carcass Characteristics of Weaner Rabbits. Proceedings of 2nd Joint Ghana Society for Animal Production (GSAP)/Ghana Animal Science Association (GASA) Biennial Conference, Kwame Nkrumah University for Science and Technology, Kumasi, Ghana. Pp 291- 301.

    2. Ansah, K.O., Osafo, E.L.K., Osman, A. (2023). Effects of Graded Levels of Biochar Inclusion on Growth, Nutrient Digestibility, Hematology and Carcass Characteristics of Weaner Rabbits. Proceedings of 2nd Joint Ghana Society for Animal Production (GSAP)/Ghana Animal Science Association (GASA) Biennial Conference, Kwame Nkrumah University for Science and Technology, Kumasi, Ghana. Pp 98 – 106.

    3. Ansah, K.O., Osafo, E.L.K., Osman, A. (2023). Dose-response of Biochar Inclusion on in vitro Rumen Fermentation Characteristics and Methanogenesis from Brachiaria Mulato Book of Abstracts, 33rd Biennial Science Conference of Ghana Science Association held at WACCBIP Auditorium, Department of Biochemistry, Cell and Molecular Biology, University of Ghana, Accra from 5th – 7th September, 2023.

    4. Ansah, K.O., Osafo, E.L.K., Osman, A. (2023). Nutrient digestibility, growth and nitrogen balance of West African Dwarf Goats fed diets containing graded levels of biochar Book of Abstracts, 2nd ACAFP Food Safety Conference for Africa held at Erata Hotel, Accra Ghana, from 12th – 14th December, 2023.

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