Articles

Prof. Charles Ngugi

Position: Full Professor
Department: Agricultural Resource Management
Contact Address: P.O. Box 43844 Nairobi 00100
Tel: 254 723 55 77 60
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Published Books and Book Chapters (4):
Ngugi, C. C.; Bowman, J. and Omolo, B., 2007. A New Guide to Fish Farming in Kenya. Published by Aquaculture Collaborative Research Support Programme. Printed by Pro Printer, Corvallis, Oregon. ISBN 978-0-9798658-0-0. 100 Pages.

Mboya, D.O., Manyala, J.O., and Ngugi, C.C., 2005. Fish Introductions and their Impact on the Biodiversity and the Fisheries of Lake Victoria. pgs 505-517. In: Knowledge and experiences gained from Managing Lake Victoria Ecosystem. Colour Print (T) Ltd, Dar es Salaam, Tanzania. ISBN 9987- 8976-5-7.

Macharia, S.K., Ngugi C.C. and Rasowo J. 2005. Comparative study of hatching rates of African catfish Clarias gariepinus (Burchell, 1822) eggs on difference substrates No. 2, pgs 467-478. In: Knowledge and experiences gained from managing Lake Victoria Ecosystem. Colour Print (T) Ltd, Dar es Salaam, Tanzania. ISBN 9987- 8976-5-7.

Ngugi, C.C., and Manyala, J.O., 2004. Review of Aquaculture Extension Service in Kenya. In: Pouomogne, V., and Brummett, R. E. (Eds.). Aquaculture Extension in Sub- Saharan in Africa FAO Fisheries Circular No. 1002 FIRI/C1002 (en) 55p. ISSN 0429-9329.

Recent Peer Reviewed Journal Papers and Publications :

Kwamena K. Quagrainie, Charles C. Ngugi, and Stephen Amisah. 2010. Analysis of the use of Credit facilities by small – scale fish farmers in Kenya. Aquaculture International Vol.18: 393-402.

Boit, C. Victoria, Ngugi, C. Charles, Bowman James, Oyoo, E. Okoth, Rasowo, J., James, M. Bundi and L., Cherop. 2010. Growth performance, survival feed utilization and nutrient utilization of African catfish (Clarias gariepinus) larvae co-fed Artemia and micro-diet containing freshwater atyid shrimp (Caridina
nilotica) during weaning. Aquaculture Nutrition Early View Doi: 10.1111/j.1365-2095.00737.x

Chrisphine S. Nyamweya, Chrisestom M. Mlewa, Charles C. Ngugi, and Boaz Kaunda-Arara. 2010. Daily growth of the young of the year of the Baringo tilapia, Oreochromis niloticus baringoensis (Linnaeus, 1758). African Zoology 45(1) April 2010.

Elijah O. Okoth, Charles, C. Ngugi, and Victoria C. Boit 2010. Assessment of Physiological and biochemical response of Nile tilapia (Oreochromis niloticus) exposed to aqueous extracts of neem (Azadirachta indica). Journal of applied Aquaculture. Under Review - Accepted for publication

Cherop Leah, Oyoo E. Okoth, Charles C. Ngugi, Joseph Rasowo, Manyala O. Julius.2010. Survival and physiological response of Nile tilapia (Oreochromis niloticus Linn. 1858) fingerlings under varying common salt (NaCl) salinity during a 24 h transport in a tropical region. Aquaculture Research ID AREOA-
10-Mar-193 - Accepted with Revision

Mokoro Anne, Oyoo-Okoth Elijah, Ngugi Charles and Njiru James 2010. Effect of initial cage density and feed supply rate in cage-cum–pond integrated system on growth performance, economic benefits and water quality in Nile tilapia (Oreochromis niloticus) culture -Aquaculture Research ARE-OA-10-Feb-086 2009

Ngugi, C.C., Manyala, J. O., Njiru, M., and Mlewa, M. 2009. Some Aspects of the Biology of the Stargazer Mountain Catfish, Amphilius uranoscopus (Pfeffer); Silurifomes: Amphiliidae) indigenous to Kenya Streams. African Journal of Ecology Vol. 47, 606-613.

Ngugi C. C. 2009: Kenyan University Moves Aquaculture Industry Forward. Fish Farming International. April 2009: Vol. 36, No 4: 32-33.

Ivano Neira, Carole R. Engle, and Charles Ngugi. 2009. Economic and Risk Analysis of Tilapia Production in Kenya. Journal of Applied Aquaculture, 21: (2)73-95

Kwamena K. Quagrainie, Stephen Amisah, and Charles C. Ngugi. 2009. Determinant of aquaculture information sources for Ghana small-scale fish famers. Aquaculture Research: Vol. 40, 1516-1522

Oyoo, E., Muchiri, M., Shivoga, W. A., Miller, S.N., Rasowo, J. and Ngugi, C. C., 2009. Spatial, seasonal and variations in phytoplankton community structure in alkaline-saline Lake Nakuru, Kenya. Lakes and Reservoirs: Research and Management Vol. 14:57-69.

Nzeve, J.K., Ngugi, C. C. and Bowman J.R.2009. Growth and Survival of African Catfish Clarias gariepinus Larvae reared on Artemia salina nauplii, Freshwater Rotifers, and Freeze-dried Cyclops. In press: Journal of East African Resources Management JEARNARM.

Mlewa, M. C., Ogola, D. W. and Ngugi, C.C. 2009. Aspects of the biology of marbled lungfish (Protopterus ethiopicus) raised in earthen ponds at the Chepkoilel fish farm, Kenya. In press: Journal of East African Resources Management JEARNARM. 2008

Maria Célia Portella and Charles C. Ngugi 2008. Aqüicultura na África O Projeto Interegional de Intercâmbio de Tecnologia sobre Produção de Tilápias e outros Ciclídeos. Panorama da AQÜICULTURA, Janeiro/Fevereiro, Vol.18 No 105, 50-55. ISSN 1519-1141.

Rasowo, J., Ngugi, C. C., and Macharia, S. K. 2008. Comparative study of growth performance of African Catfish (Clarias gariepinus, Burchell) fingerlings fed diets based on freshwater Atyid shrimp meal, dagaa fishmeal ,and soyabean meal protein sources. East Africa Journal of Pure and Applied Science, Vol. 1 Issue
No.1: 1-6p, ISSN No. 2070 0903.

Njiru, M., Kazungu, J., Ngugi, C.C., Gichuki, J., and Muhoozi, L.2008. An Overview of the Current Status of Lake Victoria Fishery: Opportunities, Challenges and Management Strategies. Lakes and Reservoirs: Research and Management 2008 Vol. 13:1-12.

Ojuok, J.E., Njiru M., Mugo J., Morara G., Wakwabi E., Ngugi, C. 2008. Increase Dominance of Common Carp, Cyprinus carpio L: The boom or the bane of Lake Naivasha Fisheries? African Journal of Ecology Vol.No.46 (Sep 2008, Issue 3):445-448.

Njiru, M., Getabu, A., Jembe, J., Ngugi, C., Owili, M., and Knaap, M. Van. 2008.Management of Nile tilapia, Oreochromis niloticus (L), fishery in Kenya portion of Lake Victoria, in light of changes in its life history and ecology.Lakes and Reservoirs: Research and Management.Vol.13: 117- 124

Papers in Reviewed Conference Proceedings (4):
Njiru M., Ojuok, J.E., Ngugi, C., Morara, G., and Mugo J., 2008. Does seasonal closure have effect on fishery: the case of Common Carp, Cyprinus carpio L in Lake Naivasha Kenya. Proceedings of Taal

2007. Sengupta M and Dalwani R (Editors). The 12th world Lake Conference: 137-140. Quansah, J.E, Rochon, G.L., Amisah, S. Muchiri, M. Ngugi, C., and Quagrainie, K.K. 2007. Remote Sensing applications for sustainable Aquaculture in Africa. Geosciences and Remote Sensing: IEEE 2007: 1255-1259.

Muchiri, M., Ngugi, C. and Hickley, P. 2004. A Community Project for Aquaculture in Kenya. A Paper presented at the Institute of Fisheries Management Annual Conference 7th-9th September 2004, Cardiff University, UK Conference Proceedings on Sustainable Fisheries 2004 pages 15-23.

Ngugi, C.C., Amadiva, J., Veverica, K.L., Bowman, J., Imende, S., Nyandat, B., and Matolla, G.K., 2003. On - Farm Trials in Kenya Change Attitudes of Fish Farmers and Extensionists. Samaki News Vol. II No. 1 July 2003.

Papers Presented in International Conferences (21):
Charles Ngugi and Kwamena Quagrainie 2010. Efficient Pond Design Strategies for a Variety of Environments. World Aquaculture Conference, San Diego, California 1-5 March 2010. Oral Presentation.

Judith Amadiva and Charles Ngugi 2010. Marketing farmed fish in Kenya: Opportunities and Challenges. World Aquaculture Conference, San Diego, California 1-5 March 2010. Oral Presentation.

Maria Celia Portella, Hillary Egna, James Bowman, Remedios Bolivar, Wilfrido Contreras, Laurens De Wet, Khalid Salie Charles Ngugi and Nguyen Thanh Phuong 2010. Transferring Cichlid Culture Technologies to Brazil: Yang Yi’s Legacy. World Aquaculture Conference, San Diego, California 1-5 March 2010. Oral Presentation.

James Bowman, Lisa Reifke, Hery Coulibaly, Charles Ngugi, Yang Yi, Liping Liu, Nancy Gitonga, Peter Nzungi and Hillary Egna 2010. Towards the Development of Sustainable freshwater Aquaculture and Fisheries Management Practices in Mali: Collaborative work under the Aquafish CRSP. World Aquaculture Conference, San Diego, California 1-5 March 2010. Poster Presentation.

Ngugi, C.C. and Quagrainie Kwamena. 2009. Catfish (Clarias gariepinus) fingerlings as bait for Lake Victoria Commercial fisheries. Presented at the Aquaculture America Conference 2009, Seattle, Washington, USA. 15-18, 2009.

Ngugi, C.C. and Bowman, J.R. 2008. Contributions of the Aquaculture Collaborative Research Support Program to the Development of Fish Farming in Kenya. Presented at the World Aquaculture Society Conference, Busan, Korea, May 19-23, 2008.

Quagrainie, K. Ngugi, C.C., and Makambo, J. 2008. The use of Credit in fish Production in Kenya. Presented at the World Aquaculture Society Conference, Busan, Korea, May 19-23, 2008.

Njiru M., Ojuok, J.E., Ngugi, C., Morara, G., and Mugo J., 2008. Does seasonal closure have effect on fishery: the case of Common Carp, Cyprinus carpio L in Lake Naivasha Kenya. Proceedings of Taal 2007.

Sengupta M and Dalwani R (Editors). The 12th world Lake Conference: 137-140.

Ngugi, C.C., Nyanchiri, E., Rasowo, J., and Bowman, J. 2007. Stocking ratios of tilapia, Oreochromis niloticus and African Catfish, Clarias gariepinus, and their effects on yield and profitability in earthen ponds. Presented at the World Aquaculture Society Conference (WAS, AQUA 2007), San Antonio, Texas,
USA, February 26- March 2, 2007.

Boit, V.C., Ngugi, C.C., and Bowman, J.R. 2006. Effects of three Feeding Regimes and two Light Regimes on the Growth and Survival of African Catfish Clarias gariepinus fry in Aquaria. Presented at the World Aquaculture Conference (WAS, AQUA 2006) Florence, Italy, May 9-13, 2006

Muchiri, M., Ngugi, C.C. and Hickley. P. 2006. A community oriented research and Training Project in Kenya .Presented at the World Aquaculture Conference (WAS, AQUA 2006)) Florence, Italy, May 9-13, 2006.

Kaliba, A. Quagrainie, K. Ngugi, C.C., Osewe, K.O., Senkondo, E. Mnembuka, B., Amisha, S., and Makambo, J. 2006. A CGE Analysis of the Potential Economic Impacts of Aquaculture Promotion in Sub- Saharan Africa. Presented at the world Aquaculture Conference (WAS, AQUA 2006) Florence, Italy, May
9-13, 2006

Quagrainie, K., Kaliba, A., Osewe, K., Senkondo, E., Amisha, S., Fosu, A., Ngugi, C.C., and Makambo, J. 2006. Economic Analysis of Nile tilapia Oreochromis niloticus Production in Tanzania, Kenya and Ghana..Presented at the World Aquaculture Conference (WAS, AQUA 2006)Florence, Italy, May 9-13

Ngugi, C.C., Nyanchiri, E., Rasowo, J., and Bowman, J. 2006. The effect of Different Stocking Ratios on Yields of Tilapia Oreochromis niloticus and the African Catfish Clarias gariepinus in Fertilized Earthen Ponds. Presented at the World Aquaculture Conference (WAS, AQUA 2006) Florence, Italy, May 9-13, 2006.

Aloo, P.O., and Ngugi, C.C. 2005. Participatory Approach the key to Aquaculture Development in Kenya. Presented at the 7th Conference of the Aquaculture Association of Southern Africa September 2005, Rhodes University, Grahamstown, South Africa.

Ngugi, C.C., Bowman, J.M. and Veverica, K.L. 2005. Factors Influencing Growth and Survival of African Catfish Clarias Gariepinus Juveniles and Their Implications for Aquaculture Development in Kenya. Presented at the 7th Conference of the Aquaculture Association of Southern Africa September 2005,
Rhodes University, Grahamstown, South Africa.

Muchiri, M., Ngugi, C. and Hickley, P. 2004. A Community Project for Aquaculture in Kenya. A Paper presented at the Institute of Fisheries Management Annual Conference 7th-9th September 2004, Cardiff University, UK Conference Proceedings on Sustainable Fisheries 2004 pages 15-23.

Ngugi, C. C., Nzeve, J.K. and Bowman J.R., 2004. Growth and Survival of African Catfish Clarias gariepinus Larvae fed Artemia Nauplii, Freshwater Rotifers and whole, freeze-dried Cyclops in indoor

Tanks. Paper presented at the World Aquaculture Conference (WAS, AQUA 2004) Hawaii, Honolulu,
USA, March 2004.

Engle, C. Neria, I. Quagrainie, K., Ngugi, C., and Muchiri, M., 2004. Economic Analysis of Fish Farming in Kenya. Paper presented at the World Aquaculture Conference (WAS, AQUA 2004) Hawaii, Honolulu, USA, March 2004.

Ngugi, C. C., Amadiva, J., Veverica, K. L., Bowman, J., Imende, S., Nyandat, B., and Matolla, G. K., 2003. Yield Verification Trials in Western Kenya Change Attitudes of Farmers and Extensionists. Paper presented at the World Aquaculture Conference (WAS, AQUA AMERICA 2003) Held in Louisville, Kentucky, USA, Feb 2003.

Ngugi, C.C., and Green, J.M., 1998. Current Status of Salmonid Fishes in Rivers on the Southwestern Slopes of Mount Kenya. In International Symposium and Workshop on Management and Ecology of River Fisheries. Hull International Fisheries Institute, University of Hull, England, April 1998, 53p. Papers Presented in Regional Conferences (6):

Mugo, J.B., Ngugi, C. C., Bowman, R. J., and Manyala, O. J., 2008. Effect of varying dietary crude protein levels on reproductive performance of Nile tilapia (Oreochromis niloticus, linn.) reared in earthen ponds. ISTA Conference, October 11-15 2008, Cairo, Egypt.

Rasowo, J., Ngugi, C.C., and Macharia, S.K., 2006. Evaluation of Caridina (P. Roux, L 933) (Decapoda: Atyidae) as feed for the African Catfish fish Clarias gariepinus. Moi University 2nd Annual International Conference, Science and Socio- Economic for sustainable Development: Challenges and Opportunities in the 21st Century. 29th August – 2nd September 2006, Moi University, Kenya.

Rasowo, J., Oyoo E. O., Mugo, J. B. and Ngugi, C. C., 2006. Effects of different Antifungal Treatments on the Hatching rate of Catfish Clarias gariepinus eggs. Moi University 2nd Annual International Conference, Science and Socio- Economic for sustainable Development: Challenges and Opportunities in the 21st
Century. 29th August – 2nd September 2006, Moi University, Kenya.

Mwatete, M. C., Ogola, D. W., and Ngugi, C.C., 2005. Towards the recruitment of marbled lungfish (Protopterus ethiopicus) in aquaculture in the lake Victoria basin: some preliminary results of culture trials at the Chepkoilel fish farm, Kenya. 2nd National Scientific Conference, Lake Victoria Environmental Management Project. 17th to 19th October 2005. Tom Mboya College, Kisumu, Kenya.

Nyanchiri, E. M., Ngugi, C.C., and Rasowo J. 2005. The effect of different combination ratios on yields of tilapia (Oreochromis niloticus) and African catfish (Clarias gariepinus) in fertilized earthen ponds. 2nd National Scientific Conference, LVEMP. 17th to 19th October 2005. Tom Mboya College, Kisumu, Kenya.

Macharia, S.K., Ngugi, C.C., and Rasowo, J. 2005. Hatching rates of African catfish (Clarias gariepinus, Burchell, 1822) eggs on different substrates. 2nd National Scientific Conference, LVEMP. 17th to 19th October 2005. Tom Mboya College, Kisumu, Kenya.
Recent Papers in Technical Reports (7):

Ngugi C. C., and Manyala, J. O. 2009. Assessment of National Aquaculture Policies and Programmes in Kenya. EC FP7 Project Number: 213143. Sustainable Aquaculture Research Networks in Sub Saharan Africa (SARNISSA) 69p:

Ngugi, C.C., Omolo, B. and Bowman, J. 2008. Development of an Aquaculture Handbook for extension workers and trainers of extension in Sub-Saharan Africa. In: Egna, H. Morrison, L. A. and Reifke, L. (Editors), Twenty-Fifth Annual Technical Report. AquaFish CRSP, Oregon State University, Corvallis, Oregon Vol. II. 83-86.

Quagrainie K., Kaliba, A., Osewe, K., Ngugi, C.C., Mnembuka, B., and Senkondo, E. 2008. Farmers Training in Tanzania. In: Egna, H. Morrison, L. A. and Reifke, L. (Editors), Twenty-Fifth Annual Technical Report. AquaFish CRSP, Oregon State University, Corvallis, Oregon Vol. II. 18-23.

Ngugi, C.C., and Bowman, J. 2008a. Aquaculture Training of trainers and regionalization of Aquaculture training activities. In: Egna, H. Morrison, L. A. and Reifke, L. (Editors), Twenty-Fifth Annual Technica Report. AquaFish CRSP, Oregon State University, Corvallis, Oregon Vol. II. 144-157.

Ngugi, C.C., and Bowman, J. 2008b. Aquaculture Training for Kenyan extension workers, Fish farmers, and University students. In: Egna, H. Morrison, L. A. and Reifke, L. (Editors), Twenty-Fifth Annual Technical Report. AquaFish CRSP, Oregon State University, Corvallis, Oregon Vol. II. 128-139.

Ngugi, C.C., Omolo, B. and Bowman, J. 2008a. Studies on strategies for increasing the growth and survival of African catfish (Clarias gariepinus) juveniles reared for stocking or for use as Bait. In:

Egna, H. Morrison, L. A. and Reifke, L. (Editors), Twenty-Fifth Annual Technical Report. AquaFish CRSP, Oregon State University, Corvallis, Oregon Vol. II. 194-200.

Ngugi, C.C., Omolo, B. and Bowman, J. 2008b. Kenya Capacity Building: student Research and Thesis Support. In: Egna, H. Morrison, L. A. and Reifke, L. (Editors), Twenty-Fifth Annual Technical Report. AquaFish CRSP, Oregon State University, Corvallis, Oregon Vol. II. 229-233.

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