Dr .Isaac Maina Osuga

Title/Qualifications: Dr
Department/Unit/Section:
Agricultural Resource Management
Contact Address:
P.O. Box 43844, Nairobi, Kenya
Telephone:
0728417972 or 0736468242
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Position: Lecturer
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Publications
Papers in Refereed Journals

  • Wambui1 C. C., S. Ando, S. A. Abdulrazak, I. M. Osuga and T. Ichinohe. 2012. In vitro assessment of ruminal fermentation characteristics of tropical browse mixtures supplemented with yeast. Grassland Science, 58: 53-57.
  • Osuga I. M., S. A. Abdulrazak, Charles I. Muleke and T. Fujihara. 2012. Potential Nutritive Value of Various Parts of Wild Sunflower (Tithonia diversifolia) as Source of Feed for Ruminants in Kenya. Journal of Food, Agriculture and Environment, (accepted for publication).
  • Osuga I. M., S. A. Abdulrazak, C. I. Muleke and T. Fujihara. 2011. Effect of supplementing Rhodes grass hay (chloris gayana) with Berchemia discolor and Zizyphus mucronata on the performance of growing goats in Kenya. Journal of Animal Physiology and Animal Nutrition, (available online (early view) – DOI: 10.1111/j.1439-0396.2011.01189.x
  • Osuga I. M., C. C. Wambui, S. A. Abdulrazak, T. Ichinohe and T. Fujihara. 2008. Evaluation of nutritive value and palatability by goats and sheep of selected browse foliages from semi-arid area of Kenya. Animal Science Journal, 79 (5): 582-589.
  • Osuga, I. M., C. N. Maindi, N, Nishino, S. A. Abdulrazak, T. Ichinohe and T. Fujihara. 2007. Potential nutritive value and tannin bioassay of selected Acacia species from Kenya. Journal of the Science of Food and Agriculture, 87 (8):1533–1538.
  • Osuga, I. M., S. A. Abdulrazak, N, Nishino, T. Ichinohe and T. Fujihara. 2006. Potential nutritive value of selected browse species from Kenya using in vitro gas production technique and polyethylene glycol. Livestock Research for Rural Development, 18 (12) http://www.cipav.org.co/lrrd/lrrd18/12/osug18171.htm
  • Osuga, I. M., S. A. Abdulrazak, T. Ichinohe, J. O. Ondiek and T. Fujihara. 2006. Degradation characteristics and tannin bioassay of some browse forages from Kenya harvested during the dry season. Animal Science Journal, 77 (4): 414-421.
  • Osuga, I. M., S. A. Abdulrazak, T. Ichinohe and T. Fujihara. 2006. Rumen degradation and in vitro gas production parameters in some browse forages, grasses and maize stover from Kenya. Journal of Food, Agriculture and Environment, 4 (2): 60-64.
  • Osuga, I. M., S. A. Abdulrazak, T. Ichinohe and T. Fujihara. 2005. Chemical composition, degradation characteristics and effect of tannin on digestibility of some browse species from Kenya harvested during the wet season. Asian-Australasian Journal of Animal Science, 18 (1): 54-60.

Papers and Abstracts in Proceedings

  • Osuga, I.M., I. H. Issak, S. A. Abdulrazak, and T. Fujihara. 2011. Effect of Polyethylene Glycol on Gas Production and Degradability of Selected Acacia Species. 4th National Conference on the Dissemination of Research Results, 3rd-6th May, 2011, KICC, Nairobi, Kenya.
  • I. H. Issak, I. M. Osuga and S. A. Abdulrazak. 2011. Nutritive Evaluation of Some Roughages and Supplementary Feeds Fed to Dairy Heifers in The Tropics: A Case Study on a large -Scale Dairy Farm in Kenya. 4th National Conference on the Dissemination of Research Results, 3rd-6th May, 2011, KICC, Nairobi, Kenya
  • Wambui C.C., I. M. Osuga, S. Ando, S. A. Abdulrazak, I. H. Issak and T. Ichinohe. 2011. Effect of Two Yeast Supplements on In vitro Ruminal Degradability of Selected Browse Species from Kenya. 4th National Conference on the Dissemination of Research Results, 3rd-6th May, 2011, KICC, Nairobi, Kenya.
  • Osuga, I.M., S. A. Abdulrazak, T. Ichinohe and T. Fujihara. 2010. Performance of Indigenous Goats Fed Grass Hay Supplemented With Browse Forages from Arid and Semi-Arid Area of Kenya. 3rd National Conference on the Dissemination of Research Results, 3rd-7th May, 2010, KICC, Nairobi, Kenya.
  • Osuga, I.M., C.C. Wambui, S.A. Abdulrazak, T. Ichinohe and T.Fujihara. 2007. Goat and sheep preference rating of selected tree and shrub forages from Kenya. Annual Animal Production Society of Kenya Scientific Symposium, 15th-16th, March, 2007, KARI – Mtwapa, Kilifi, Kenya.

 

Last Updated on Tuesday, 10 December 2013 05:09

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