Abteilung Grünland und Futterbau/Ökologischer Landbau

M.Sc. John Kormla Nyameasem

johnRoom: 222
+49 431 880-2142

Interests and experience

  • Improving productivity and ecological efficiency of ruminant livestock systems
  • Livestock and climate change
  • Forage utilization for enhanced herbivore nutrition





  • Nyameasem JK, Malisch CS, Loges R, Taube F, Kluß C, Vogeler I, Reinsch T, 2021. Nitrous Oxide Emission from Grazing Is Low across a Gradient of Plant Functional Diversity and Soil Conditions. Atmosphere 12, 223. https://doi.org/10.3390/atmos12020223
  • Ahiagbe KMJ, Amuzu-Aweh EN, Bonney P, Nyameasem JK, Avornyo FK,  Adenyo C, Amoah KO, Naazie A, Kayang BB, 2021. Comparison of early growth and survivability in indigenous guinea fowls from Northern Ghana. Tropical Animal Health and Production 53, 89. https://doi.org/10.1007/s11250-020-02510-4.
  • Adu-Aboagye G, Nyameasem JK, Ahiagbe KMJ, Ansah KO, Zagbede GA, Agbe KK, 2020. Reproductive traits of the indigenous Guinea fowl under tropical humid conditions; the effect of egg size. Livestock Research for Rural Development 32, 55. http://www.lrrd.org/lrrd32/4/gadua32055.htm
  • Amoah KO, Nyameasem JK, Asiedu P, Adu-Aboagye GA, Wallace P, Ahiagbe KMJ, Rhule SWA, 2018. Protein and energy requirements for indigenous guinea keets (Numida meleagris) in southern Ghana. Ghana Journal of Agricultural Science, 52, pp. 105-111. https://www.ajol.info/index.php/gjas/article/view/179721
  • Nyameasem J K, Reinsch T, Taube F, Domozoro C Y F, Marfo-Ahenkora E, Emadodin I, Malisch C S 2020. Nitrogen availability determines the long-term impact of land use change on soil carbon stocks in grasslands of southern Ghana, SOIL, 6, 523–539, https://doi.org/10.5194/soil-6-523-2020
  • Nyameasem J K, Akoloh M and Adu E K (2018) Effects of protein content on feed intake and performance of grasscutters fed diets containing forage meal. Animal Production Science. 10.1071/AN15889
  • Nyameasem J K, Affedzie-Obresi S and Adu E K (2018) Time of feeding and predictability of dry matter and water intake of grasscutters fed on grass and supplements containing varying levels of dietary fiber. Tropical Animal Health and Production. 10.1007/s11250-018-1573-z
  • Wallace P A, Nyameasem J K, Aboagye G A, Nkegbe K, Murray F, Botchway V, Karbo N, Leschen W, Maquart P-O and Clottey V (2018) Effects of replacing fishmeal with black soldier fly larval meal in the diets of grower-finishing guinea fowls reared under tropical conditions. Tropical Animal Health and Production. 10.1007/s11250-018-1588-5
  • Wallace P A, Nyameasem J K, Adu-Aboagye G A, Affedzie-Obresi S, Nkegbe E K, Karbo N, Murray F, Leschen W, Maquart P-O (2017) Impact of black soldier fly larval meal on growth performance, apparent digestibility, haematological and blood chemistry indices of guinea fowl starter keets under tropical conditions. Tropical Animal Health and Production. 49(6):1163-1169, 10.1007/s11250-017-1312-x
  • Adu E K, Asafu-Adjaye A, Hagan B A, Nyameasem J K (2017) The grasscutter: an untapped resource of Africa's grasslands. Livestock Research for Rural Development. 29(47), http://www.lrrd.org/lrrd29/3/jnya29047.html
  • Nyameasem J K, Amoah K O, Wallace P A, Adu E K (2017) Nitrogen partitioning and growth in grasscutters fed freshly cut Panicum maximum alone or supplemented with Leucaena lecocephala treated with 0, 1 or 2 per cent saline solution. Livestock Research for Rural Development. 29(24), http://www.lrrd.org/lrrd29/2/nyam29024.htm
  • Nyameasem J K, Adu E K, Amoah K O, Hagan B A (2016) The effect of male proximity on vagina patency, oestrus cycle length and feed intake of female grasscutters. Tropical Animal Health and Production. 48, 445-449, 10.1007/s11250-015-0972-7
  • Hagan B A, Nyameasem J K, Asafu-Adjaye A, Daffour-Oduro K A (2016) Predicting live weight of grasscutters using their linear body measurements. Livestock Research for Rural Development. 28(143), http://www.lrrd.org/lrrd28/8/haga28143.html
  • Hagan B A, Nyameasem J K, Asafu-Adjaye A, Duncan J L (2014) Effects of non-genetic factors on the birth weight, litter size and pre-weaning survivability of West African Dwarf goats in the Accra Plains. Livestock Research for Rural Development. 26(13), http://www.lrrd.org/lrrd26/1/haga26013.htm
  • Nyameasem J K, Borketey-La E B (2014) Effect of formulated diets on growth and reproductive performance of the West African giant snail (Achatina achatina). ARPN Journal of Agricultural and Biological Science. 9(1), 1-6, http://www.arpnjournals.com/jabs/research_papers/rp_2014/jabs_0114_626.pdf
  • Nyameasem J K, Borketey-La E B (2014) Pest incidence, mortality, aestivation, feed intake and growth in West African giant snails (Achatina achatina) reared under different housing systems. International Journal of Science and Technology. 3(5), 314-320,
  • Karikari P K, Nyameasem J K (2009) Productive performance and Carcass Characteristics of Captive Thryonomys swinderianus fed Concentrate diets containing varying levels of Panicum maximum. World Applied Sciences Journal. 6(4), 557-563, http://www.idosi.org/wasj/wasj6(4)/18.pdf


Forschung und Publikationen