Bio

Prof. J. Chege Biography

Prof. J. Chege is an Associate Professor of Veterinary Parasitology. He has extensively
taught for many years at undergraduate and postgraduate levels and also
supervised many Post graduate students. He has conducted extensive research in
Parasitology. He also supports the Department in diagnostic services in Veterinary
parasitology

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(Last updated: June 23, 2020)

Publications

2020

Achollah, AM, Karanja DN, Ng’ang’a CJ, Bebora LC.  2020.  Causes of organ condemnations in cattle at slaughter and associated financial losses in Siaya County, Kenya.. Journal of Veterinary Medicine and Animal Health. 12:27-35..

2019

Obanda, V, Maingi N, Muchemi G, Ng’ang’a CJ, Angelone S, Archie EA.  2019.  Infection dynamics of gastrointestinal helminths in sympatric non-human primates, livestock and wild ruminants in Kenya. PLoS ONE . 14(6)

2016

Murigu, MM, Nana P, Waruiru RM, Nganga CJ, Ekesi S, Maniania NK.  2016.  Laboratory and field evaluation of entomopathogenic fungi for the control of amitraz-resistant and susceptible strains of Rhipicephalus decoloratus. Veterinary Parasitology. 225:12-18..

2014

Nganga, CJ, Korir DK, Lolokote SS, Liaulo J.  2014.  Varroa destructor, a cause of decreased honey production in Samburu North District, Samburu County Kenya, 5th September. 9th Biennial Scientific Conference and Exhibition of Faculty of Veterinary Medicine. , Nairobi, Kenya
Gakuya, DW, Okoth MO, Muraya J, Nganga CJ, Muthee JK.  2014.  An outbreak of acute helminthosis in a sheep and goat farm in Machakos County, 5th September. 9th Biennial Scientific Conference and Exhibition of Faculty of Veterinary Medicine. , Nairobi, Kenya
Muthee, JK, Gakuya DW, Mbaria JM, Mulei CM, Mugambi JM, Nganga CJ.  2014.  Evaluation of anthelmintic efficacy of selected medicinal plants traditionally used in Loitoktok, Kenya, 4th September. 9th Biennial Scientific Conference and Exhibition of Faculty of Veterinary Medicine. , Nairobi, Kenya
Nganga, CJ, Gakuya DW, Otieno RO, Githinji RW.  2014.  Co-administration of Albendazole and Levamisole to control multiple anthelmintic resistant nematodes in a sheep farm in Kabete Kenya. Bulletin of Animal Health and Production in Africa. 62(3):275-278.1_nganga_et_al._2014.pdfWebsite
Kagira, JM, Kanyari PN, Githigia SM, Maingi N, Chege N.  2014.  Efficacy of Neem and Pawpaw Products against Oesophagostomum Spp Infection in Pigs. Anthelmintics: Clinical Pharmacology, Uses in Veterinary Medicine and Efficacy. , New York: Nova Science Publishers

2013

J. M. Kagira, P. N. Kanyari, N. Maingi, S. M. Githigia, Ng’ang’a C, J.Gachohi..  2013.  Relationship between the Prevalence of Ectoparasites and Associated Risk Factors in Free-Range Pigs in Kenya.. : Hindawi Publishing Corporation3_kagira_et_al_2013.pdf
Obonyo, FO, Maingi N, Githigia SM, Ng’ang’a CJ.  2013.  Farming practices and risk factors for transmission of helminths of free range pigs in Homabay District, Kenya. Livestock Research for Rural Development.. 25Obonyo_et_al_2013.pdf
C. W. Hungu, P. K. Gathumbi, Maingi N, Ng’ang’a CJ.  2013.  Production characteristics and constraints of rabbit farming in Central, Nairobi and Rift-valley provinces in Kenya. Livestock Research for Rural Development. 251_hungu_et_al_2013.pdf

2012

Obonyo, FO, Maingi N, Githigia SM, Nganga CJ.  2012.  Prevalence, intensity and spectrum of helminths of free range pigs in Homabay District, Kenya. Livestock Research for Rural Development. 244_obonyo_et_al_2012.pdf
Kagira, JM, Kanyari PN, Githigia SM, Maingi N, Ng’ang’a JC, Gachohi JM.  2012.  Risk factors associated with occurrence of nematodes in free range pigs in Busia District, Kenya. Trop Anim Health Prod. 44:657-664.5_kagira_et_al_2012.pdf

2011

Karanja, DN, Ngatia TA, Wabacha JK, Bebora LC, Nganga CJ.  2011.  Pathogenic effects associated with natural gastrointestinal helminth infections in pigs in Kenya. Bulletin of Animal Health and Production in Africa. 59:53-59.6_karanja_et_al_2011.pdf

2010

Kagira, JM, Maingi N, Kanyari PWN, Githigia SM, Nganga JC, Gachohi JM.  2010.  Characteristics of pig trade in low income settings in Busia District, Kenya. Tanzanian Veterinary Journal. 27:27-36.10_kagira_et_al_2010_3.pdf
Kagira, JM, Kanyari PWN, Maingi N, Githigia SM, Nganga JC, Karuga JW.  2010.  Characteristics of the smallholder free-range pig production system in western Kenya. Tropical Animal Health and Production. 42:865-873.9_kagira_et_al_2010_2.pdf
Kagira, JM, Githigia SM, Nganga JC, Kanyari PWN, Maingi N, Gachohi JM.  2010.  Prevalence of gastrointestinal protozoa and association with risk factors in free-range pigs in Kenya. Journal of Protozoology. 20:1-9.7._kagira_et_al_2010.pdf
Kagira J.M, Maingi. N, Kanyari. P.W.N, Githigia S.M., J. C. Ng’ang’a, Gachohi. JM.  2010.  Seroprevalence of Cysticercus cellulosae and associated risk factors in free-range pigs in Kenya. Journal of Helminthology. 84:398-403.: ICASTOR Journal of Engineering8_kagira_et_al_2010_1.pdf

2009

Nganga, CJ, Maingi N, Kanyari PWN, Munyua WK.  2009.  The effects of anthelmintic treatments against gastrointestinal nematodes on the performance of breeding ewes and lambs on pastures in semi-arid Kenya. Tropical Animal Health and Production. 41:921-926.11_nganga_et_al_2009.pdf

2008

Nganga, CJ, Gakuya DW, Sabuni AZ, Waruiru RM, Musaa BS.  2008.  Evaluation of the anthelmintic efficacy of Calliandra calothyrus and Leucaena trichandra against multiple anthelmintic resistance nematodes in sheep, 17th September. 6th Biennial Scientific Conference of the Faculty of Veterinary Medicine, University of Nairobi. , Nairobi, Kenya
NGANGA C. J, D.N. Karanja, Mutune. MN.  2008.  The prevalence of gastrointestinal helminth infections in pigs in Kenya. Tropical Animal Health and Production. 40:331-334.: ICASTOR Journal of Engineering12_nganga_et_al_2007.pdfWebsite

2007

D.W. Gakuya, C.J. Ng'ang'a, Karanja DN, J.K.Wabacha, Mutune. MN.  2007.  Multiple anthelmintic resistance on a sheep farm in Kenya and its implication for helminth control. Bulletin of Animal Health and Production in Africa. 55:226-230.13_gakuya_et_al_2007.pdf

2006

Nganga, CJ.  2006.  Multiple anthelmintic resistance on a sheep farm in Kenya and its implication for helminth control, 6th September. 5th Biennial Scientific Conference of the Faculty of Veterinary Medicine, University of Nairobi. , Nairobi, Kenya
Nganga, CJ, Kanyari PWN, Maingi N, Munyua WK.  2006.  The effect of weather on the occurrence and magnitude of periparturient rise in trichostronglyid nematode egg output in Dorper ewes in a semi-arid area of Kajiado District of Kenya. Tropical Animal Health and Production. 38(5):389-395.15_ngangan_et_al_2006.pdfWebsite
Nganga, CJ, Maingi N, Kanyari PWN, Munyua WK.  2006.  Seasonal patterns of gastrointestinal nematode infections in sheep in a semi-arid area of Kajiado District of Kenya. Bulletin of Animal Health and Production in Africa. 54:1-6.: ICASTOR Journal of Engineering14_nganga_et_al_2006.pdf

2005

NGANGA C. J, Maingi, N., Kanyari. PW.N, Munyua WK.  2005.  Epidemiology and control of gastrointestinal nematodes in Dorper lambs in a semi-arid area of Kajiado District of Kenya. The Kenya Veterinarian. 29:64-66.: ICASTOR Journal of Engineering16_nganga_et_al_2005.pdf

2004

Nganga, CJ.  2004.  Epidemiology and control of gastrointestinal nematode infections in Dorper lambs in a semi-arid area of Kajiado District, 3rd November. 4th Biennial Scientific Conference of the Faculty of Veterinary Medicine, University of Nairobi. , Nairobi, Kenya
Ng'ang'a, CJ, Maingi N, Kanyari PWN, Munyua WK.  2004.  Gastrointestinal nematode infections in dorper lambs in a semi-arid area of Kajiado District of Kenya. Bulletin of Animal Health and Production in Africa. 52(3):160-166.20_nganga_et_al_2004_4.pdfWebsite
NGANGA C. J, N. Maingi, N. MUNYUA, Kanyari PWN.  2004.  Epidemiology of gastrointestinal helminths infections in Dorper sheep in a semi-arid area of Kenya. Onderstepoort Journal of Veterinary Research. 71(3):219-226.: ICASTOR Journal of Engineering18_nganga_et_al_2004_2.pdfWebsite
NGANGA C. J, Munyua. W.K, Maingi. N, Kanyari. P.W.N..  2004.  Occurrence of peri-parturient rise in trichostrongylid nematode egg output in Dorper ewes in a semi-arid area of Kajiado District of Kenya. Acta Tropica. 92(3):213-218.: ICASTOR Journal of Engineering17_nganga_et_al_2004_1.pdfWebsite
NGANGA C. J, Maingi. N, Kanyari PWN, Munyua WK.  2004.  Development, Survival and Availability of Gastrointestinal Nematodes of Sheep and Pastures in a Semi-arid Area of Kajiado District of Kenya. Veterinary Research Communications. 28(6):491-501.: ICASTOR Journal of Engineering19_nganga_et_al_2004_3.pdfWebsite

2003

Nganga, CJ.  2003.  Effects of seasons on the occurrence of peri- parturient rise in trichostrongylid nematode egg output in Dorper ewes in a semi-arid area of Kajiado District of Kenya, 21st June. 12th Annual meeting of the ENRECA Livestock Helminths Research Project in Eastern & Southern Africa. , Morogoro, Tanzania

2002

C.J., N'ang'a.  2002.  Epidemiology and control of gastrointestinal helminth infection in sheep in a semi-arid area of Kajiado District of Kenya. Proceedings of the 12th Annual meeting of the ENRECA Livestock 4 Helminths Research Project in Eastern & Southern Africa, Morogoro - Tanzania, 21st - 24th June, 2003.. , Nairobi: University of Nairobiphd_thesis_-_dr._chege.pdf

2001

Nganga, CJ.  2001.  Strategic use of anthelmintics in the control of gastrointestinal nematodes in breeding ewes in a semi-arid area of Kenya, 3rd May. 10th Annual meeting of the ENRECA Livestock Helminths Research Project in Eastern & Southern Africa. , Nairobi, Kenya

1998

Munyua, W k;, C.J. Ng'ang'a, Ngotho JW.  1998.  Efficacy of ivermectin delivered from a sustained-release bolus against gastrointestinal nematodes in field grazing calves in Nyandarua district of Kenya. Veterinary Parasitology. 76(1-2):105-119.: ICASTOR Journal of Engineering21_munya_el_al_1998.pdfWebsite

1996

Kanyari. P.W.N, Munyua. W.K, Ng'ang'a. C.J, J.W. N.  1996.  Epidemiology of bovine Toxocara vitulotum in faecal and milk samples in an endemic district of Kenya. Bulletin of Animal Health and Production in Africa. 44:255-256.: ICASTOR Journal of Engineering22_kanyari_et_al_1996.pdf

1994

Nganga, CJ, Karanja DN, Wandera JG.  1994.  Obstructive urolithiasis in a herd of pigs in Kenya. Bulletin of Animal Health and Production in Africa. 42:77-78.: ICASTOR Journal of Engineering23_nganga_et_al_1994_1.pdf
Ng'ang'a, CJ, Kasigazi S.  1994.  Caprine besnoitiosis: Studies on the experimental intermediate hosts and the role of the domestic cat in transmission. Veterinary Parasitology. 52:207-210.: ICASTOR Journal of Engineering24_nganga_et_al_1994_2.pdfWebsite
Nganga, CJ, Kanyari PW, Munyua WK.  1994.  Isolation of Besnoitia wallacei in Kenya. Veterinary Parasitology. 52:203-206.: ICASTOR Journal of Engineering25_nganga_et_al_1994_3.pdfWebsite
Ng'ang'a, C.J., Munyua, W.K., Kanyari PW.  1994.  Recovery and identification of Besnoitia and other coccidia from cat faeces around Kabete in Kenya, 16 July 1993. Bulletin of Animal Health and Production in Africa. 42:187-191.: ICASTOR Journal of Engineering26_nganga_et_al_1994_4.pdf

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