1. Department of Molecular Biology and Biotechnology, Pan-African University, Institute of Basic Science, Technology and Innovation, P. O. Box 62000-00200, Nairobi, Kenya
2. Department of Animal Sciences, Jomo Kenyatta University of Agriculture and Technology, P. O. Box 62000-00200, Nairobi, Kenya
3. Department of Biochemistry, Jomo Kenyatta University of Agriculture and Technology, P. O. Box 62000-00200, Nairobi, Kenya