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Job Category
Division / Faculty
Faculty of Agriculture
Directorate / Dept
Box 19331-20100 Nakuru


2015    Ph.D., Agricultural Economics   Egerton University, Kenya/ Justus-Liebig-Universität Gießen  (Sandwich)

2008     M.Sc. Agricultural and Applied Economics      Egerton University, Kenya

2004     Bsc. Agricultural Economics       Egerton University, Kenya



Applied Econometrics and Statistics; Project Planning and Management; Agricultural Value Chain and Actor Empowerment 


February 2015-present:  Lecturer, Department of Agricultural Economics and Agribusiness Management, Egerton University.

August 2011 – February 2015: Assistant Lecturer, Department of Agricultural Economics and Agribusiness Management, Egerton University.

August 2010 – July 2011: Part –time lecturer, Department of Agricultural Economics and Agribusiness Management, Egerton University.

March 2011 - August 2011: Researcher, Tegemeo Institute of Agricultural Policy and Development Nairobi.

2009: Research Assistant, Kenya Institute for Public Policy Research and Analysis, Nairobi Kenya.



 2020-2022: Validation and promotion of sustainable charcoal and briquette production and utilization technologies for improved livelihoods. The project is being implemented in Baringo, Kajiado and Kisumu and runs from January 2020 to January 2022. The total grant amount is Ksh. 19,910,490.00 where Egerton University Grant amount is Ksh. 6,154,860.00

2017- 2019: Kenya sectoral appraisal. This was under the 3R (robust, reliable resilient)- from ‘Aid to Trade’ project a 3.5 years initiative implemented by Wageningen University & Research in the Netherlands in collaboration with various Kenya partner institutions and funded by the Embassy of the Netherlands in Kenya (EKN). The 3R project aimed  to draw lessons from various initiatives: projects funded under EKN programmes in Agriculture and Food and Nutrition Security (FNS); ventures investing in market-led approaches; to develop innovative business solutions to drive competitive agri-food sectors in Kenya with a focus on dairy, horticulture and aquaculture sectors.  EURO 83,628

2015-2017: Grasshopper/ Locust Farming as a Sustainable Feed/ Food Ingredient Source for Nonruminant Livestock and Humans for Enhanced Food Security, Poverty Alleviation, and Resilience to Climate Change in Kenya.  Budget- USD 100,000


2014-2016: Innovative engagement of rural communities through student internship program funded by RUFORUM 1st December 2014-31st November 2016 (100,000 dollars). 

2012: Internal research funds provided by Egerton University to undertake an exploratory study on the “The Clean Development Mechanism: An Analysis of the Implementation in Kenya” from 1st January 2012 to 31st December 2012. Position: Principal investigator (KES 398,310.00).



Impact evaluation and analysis of developmental interventions, food quality and standards, agricultural value chain analysis and actor empowerment and agricultural innovations adoption pathways



Ayuya, O.I.; Soma, K.; Obwanga, B. (2021) Socio-Economic Drivers of Fish Species Consumption Preferences in Kenya’s Urban Informal Food System. Sustainability 13, 5278.

Cherotich J., Sibiko K.W. and Ayuya O.I. (2021). Analysis of extent of credit access among women farm-entrepreneurs based on membership in table banking (TB). Agriculture Finance Review.

Somoebwana, M.I.  Ayuya O.I., and Mironga J.M. (2021). Marine fishery dependence, poverty and inequality nexus along the coastal lowlands of Kenya. National Accounting Review,  3(2): 152–178.

Kimathi, S.M., Ayuya, O.A.  & Mutai., B. (2020). Adoption of climate-resilient potato varieties under partial population exposure and its determinants: Case of smallholder farmers in Meru County, Kenya. Cogent Food & Agriculture, 7:1, 1860185

Okello, D.O., Feleke, S. Gathungu, E., Owuor G. & Ayuya, O.I. (2020). Effect of ICT tools attributes in accessing technical, market and financial information among youth dairy agripreneurs in Tanzania.  Cogent Food & Agriculture, 6:1, 1817287.

Ong’ayo, M, J., Gido, E.O., Ayuya, O.I.  Mwangi, W. and Kibe, A.M. (2020). Role of networking capability, socio-economic and Institutional characteristics on adoption tendencies of clean Seed potato agri-enterprises in central rift valley, Kenya. African Crop Science Journal, 28 Issue Supplement, s1 pp. 131 – 144.

Ouya F. O., Ayuya O.I. and Kariuki I.M. (2020). Effects of agricultural intensification practices on smallholder farmers’ livelihood outcomes in Kenyan hotspots of Climate Change. East African Journal of Science, Technology and Innovation, Vol. 2 (1):  2020

Cherotich J., Ayuya O.I. and Sibiko K.W. (2019). Effect of financial knowledge on performance of women farm enterprises in Kenya. Journal of Agribusiness in Developing and Emerging Economies, 9: 3

Atsiaya, G.O.,· Ayuya, O.I. · Nakhone, L.W.  Lagat, J.K. (2019). Drivers and responses to climate variability by agro‑pastoralists in Kenya: the case of Laikipia County. SN Applied Sciences (2019) 1:827

Wekesa B.M., Ayuya O.I. and Lagat J.B. (2018) Effect of Climate Smart Agricultural Practices on Household Food Security in Smallholder Production System: Micro Evidence from Kenya. 7:80

Ayuya O.I (2018). Organic Certified Production Systems and Household Income: Micro Level Evidence of Heterogeneous Treatment Effects. Organic agriculture.

Masole, C., Ayuya O.I.  and   Moreki, J.C. (2018) Determinants of adoption of alternative response to foot and mouth disease: micro-level evidence of smallholder pastoralist in north East District, Botswana. Tropical animal health and production 51(2) , 1-10.

Mbudyza, J.J.  Ayuya O.I;   Mshenga, P.M  (2017). Drivers Shaping Emergence of Small Scale Farmers Participation in Agricultural Land Rental Markets in Kenya. African Journal of Rural Development. 2(4)511-522.

Ayuya O.I (2018). Towards being equal to them: Impact of organic certified production systems on women empowerment in agriculture. African Journal of Agricultural Research 13 (16), 821-833.

Gido E.O., Ayuya O.I., Bett, H.K., Owuor, G. and Bokelman, W. (2017). Consumer Acceptance of Leafy African Indigenous Vegetables: Comparison between Rural and Urban Dwellers. International Journal of Vegetable Science, 23(4): 346-361.

Arinaitwe, S., Mshenga P. M and Ayuya O. I. (2017). Analysis of risk attitudes and social capital in pineapple marketing: The case of small-scale farmers in Luwero district, Uganda. African Journal of Rural Development, 2 (2): 235-246.

Gido E.O., Ayuya O.I., Owuor, G. and Bokelman, W. (2017). Consumption intensity of leafy African indigenous vegetables: towards enhancing nutritional security in rural and urban dwellers in Kenya. Agricultural and Food Economics, 5:14.

Mungai, N.W., Ambula, M., Chege, N.W., Mberia, P., Ombati M.J., Opiyo M.A., Bebe O.B, Ayuya I.O. and Wambua T. (2016). Experiential learning for agricultural students in institutions of higher learning: The case of Egerton University. African Journal of Rural Development, 1(3): 229 – 237.

Gido E.O., Ayuya O.I., Bett, H.K., Owuor, G. and Bokelman, W. (2016). Consumer’s choice of retail outlets for African indigenous vegetables: Empirical evidence among rural and urban households in Kenya. Cogent Food & Agriculture, 2: 1248523.

Nyongesa J.M., Bett, H.K., Lagat, J.K. and Ayuya, O.I. (2016). Estimating farmers’ stated willingness to accept pay for ecosystem services: case of Lake Naivasha watershed Payment for Ecosystem Services scheme-Kenya. Ecological Processes, 5:15.

Ayuya, O.I., Gido, O.E, Bett, H.K., Lagat, J.K. Kahi, A.K and Bauer, S. (2015). Effect of Certified Organic Production Systems on Poverty among Smallholder Farmers: Empirical Evidence from Kenya. World Development, 67: 27–37.

Gido, O.E., Sibiko, K.W., Ayuya, I.O. and Mwangi, J.K. (2014). Demand for Agricultural Extension Services among Small-Scale Maize Farmers: A Micro-Level Evidence from Kenya.  The Journal of Agricultural Education and Extension, 1: 1-16.

Sibiko, K.W., Ayuya, I.O., Gido,O.E. and Mwangi, J.K. (2013). Analysis of the determinants of productivity and technical efficiency among smallholder common bean farmers in Eastern Uganda. Journal of Economics and Sustainable Development: Vol.4, No.13, 2013.

Gido, O.E., Sibiko, K.W. and Ayuya, O.I. (2012). Determinants of Producer Group Participation and Input Access: A Case of Small-scale Maize Farmers in Bungoma Central District, Kenya. Journal of Agriculture and Rural Development (JARD). Vol: 9: (1990-3375).pp. 9 – 21.

Ayuya, O.I., Waluse, S.K. and Gido, O.E. (2012). Small-scale Farmers’ Choice of Organic Soil Management Practices in Kenya: Multinomial Logit analysis. Current Research Journal of Social Sciences. 4(4): 314-322, 2012.

Ayuya, O.I., Lagat, J.K. and Mironga, J.M. (2011). Factors Influencing Potential Acceptance and Adoption of Clean Development Mechanism Projects: Case of Carbon Trade Tree Project among Small Scale Farmers in Njoro District, Kenya. Research Journal of Environmental and Earth Sciences, 3(3): 275-285.

Ayuya O. I., Lagat J.K., Mironga J.M., Mutai, B.K. (2011). Socioeconomic Factors Affecting Farmers Awareness of Clean Development Mechanism Projects: Case of Smallholder Forest Carbon Projects. Current Research Journal of Social Sciences 3(3): 213-218, 2011.


  1. Josephine Cherotich. MSc (Egerton University).               Role of Financial Knowledge on Extent of Credit Access and Performance of Women Farm Entrepreneurs in Kericho County, Kenya. Graduated in 2018.
  2. Mohamadou Soumaila Konte. MSc (Egerton University). Role of Entrepreneurial Behavior on Farm Performance among Small-scale Commercial Orientated Farmers: Case of Niono Zone, Mali. Graduated in 2018.

  3. Carolyne Nafula Kisaka. MSc (Egerton University). Evaluation of Consumers Acceptance and Hedonic Price Analysis of Edible Winged Termites (Macroterms Subhylanus) in Kimilili Sub County. Graduated in 2018.

  4. Charity Masole. MSc (Egerton University). Economic Losses and Ex-post response to Foot and Mouth Disease Outbreak among Smallholder Beef Farmers in North East District, Botswana. Graduated in 2018.

  5. Abdoulaye Nientao MSc (Egerton University). Resource Optimization in Crop-Livestock Integrated Production System among Small-scale Cotton Farmers in Southern Mali. Graduated in 2018.

  6. Renovat Muhire, MSc (Egerton University). Agricultural Exports Response to Exchange Rate Fluctuation in Rwanda: Case of Coffee and Tea. Graduated in 2018.

  7. Ayouba Coulibally, MSc (Egerton University). Effect of Zai Pit and Half Moon Technologies on Small-scale Farmers Income in Kita District, Mali. Graduated in 2018.

  8. Godfrey Asiaya; MSc (Egerton University).  Evaluation of Response to Impact of Climate Change on Selected Crop and Livestock Smallholder Farmers in Laikipia West Sub-County, Kenya. Graduated in 2018.

  9. Dickson Okello; MSc (Egerton University). Effect of Information and Communication Technologies Use on Performance of Agri-Enterprises: Case of Smallholder Pineapple Farmers in Kiambu County, Kenya.  Graduated in 2017.

  10. Bright Wekesa; MSc (Egerton University). Economics of Climate Smart Agriculture: Case of Small-scale Farmers in Teso North Sub-County, Kenya.  Graduated in 2017.

  11. Mbudzya Joseph Jabu (Msc. Egerton University). Effect of Agricultural Land Rental Market Participation on Household Income among Smallscale Maize Farmers in Kwale County, Kenya. Graduated in 2017.

  12. Shammah Arinaitwe (Msc. Egerton University). Role of Risk Attitude and Social Networks in Pineapple Marketing among Small-scale farmers in Luwero District, Uganda. Graduated in 2016.

  13. Denis Momanyi; MSc (Egerton University).  Analysis of Smallholders Marketing Behaviour of African Indigenous Leafy Vegetables in Nyamira County, Kenya. Graduated in 2015.


Student Name: Ildephonse Musafili

Thesis Title: Gender Preferences, Soil and Water Conservation Investments and Farm Household Income: Empirical Evidence from Northern Rwanda

University: Egerton University 

Status: Ongoing 

Student Name: Oyugi Johana Nyanjong’

Thesis Title: Agricultural Information Networks and Farm Performance: Case of Formal and Informal Smallholder Dairy Farmer Information Networks in Nakuru County, Kenya

University: Egerton University 

Status: Ongoing 


Member of "African Growth and Development Policy (AGRODEP) Modelling Consortium".

Member of the African Association of Agricultural Economists (AAAE).

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