- Mdegela, R., Mabiki, F., Msigala, S., Mwesongo, J., Mhina, M., Waweru K., Mbuthia, P., and Byarugaba, D.K. (2014): Detection and Quantification of Estrogenic Endocrine Disruptors in Waters in Mwanza Gulf in Lake Victoria basin, Tanzania. Huria, Journal of the Open University of Tanzania. Vol. 16; 140 -153
- Kamundia PW, Mbuthia PG, Waruiru RM, Njagi LW, Nyaga PN, Mdegela RH, Byarugaba DK and Otieno RO (2011): The occurrence of Trypanosome in fish in Lake Victoria, Kenya. Proceedings of the Fisheries and Aquaculture Workshop, Inter-University Council for East Africa, Lake Victoria Initiative. ISBN: 978-9970-452-01-9; 83-87
- Mdegela R., Mbuthia PG, Byarugaba D., Mtenga K and Kamundia W (2011): Assessment of Possible Sources of Endocrine disruptors and microbial pathogens and their impacts in the Lake Victoria in the East Africa region. Fisheries and Aquaculture, Proceedings of the Workshop, Inter-University Council for East Africa, Lake Victoria Initiative. ISBN: 978-9970-452-01-9; 112-122
- Gichohi C. M., Mbuthia P.G., Waruiru R. M., Ngatia T. A., Kamundia PW, Mutune NM, and Otieno RO (2011): Prevalence and intensity of Paracamallanus species infection in farmed and wild catfish. The Kenya Veterinarian, Vol. 35 (1); 25-32
- He is a Senior lecturer in the School of Tourism and Natural Resource Management, Department of Environmental Science, Forestry and Natural Resources. Has previously worked with the Ministry of Agriculture, Livestock, and Fisheries as a veterinarian.
- His interests are studying the aquatic animal’s health, aquatic pathobiology as a result of disease and environmental pollution mechanisms; microbial pollution and ecotoxicology affect these organisms; and the pathways and net effect of all these pollutants to man and their effects on human health.
- He is a registered member of the Kenya Veterinary Board and Kenya Veterinary Association. Also a member and secretary to the Narok County Agricultural Sector Development Support Programme