Carolyne Musyoki Minoo, Ngugi CC, Oyoo-Okoth E, Muthumbi A, Sigana D, Mulwa R, Chemoiwa EJ.  2016.  Monitoring the effects of aquaculture effluents on benthic macroinvertebrate populations and functional feeding responses in a tropical highland headwater stream (Kenya). Aquatic ecosystem health & management. 19(4):431-440.


Kivengea, GM, Mtiba MJ, Sigana DO, Muthumbi AW.  2014.  Reproductive biology of common octopus Octopus vulgaris (Cuvier, 1797), on the Kenyan South coast. Western Indian Ocean Journal of Marine Science. 13(1):47-56.



Sigana, DOA.  2010.  The biology of the mullets (Pisces: Mugilidae) from Kilifi, a tropical mangrove creek on the Kenya coast. (Kenneth M. Mavuti, Renison K. Ruwa, Eds.)., Nairobi: University of Nairobi


O., SD, M. MK, K. RR.  2009.  Fish species composition and distribution in Kilifi creek. Advances in Coastal Ecology. :15-27., Mombasa: African Studies Centre


Sigana, DA, Mavuti KM, Ruwa RK.  2006.  The influence of environmental parameters on fish fauna of the Bahari ya Wali, Kilifi creek, Kenya.. 1st National Biological Postgraduate students conference. :42-47., AVU Hall Kenyatta University: Kenyatta University Department of Biological Sciences Abstract

isolated from preterm neonates during the outbreak of gastroenteritis in hospital in Nairobi, Kenya, were resistance to trimethoprin-sulfathoxaxole, Chloramphenicol, oxytetracycline and ampicilin, but only a few strains were resistant to cefazolin, cefamandole, cefataximine, amikacin and nalidixic acid. Fourteen different antimicrobial resistance patterns were observed in the 229 strains of E.coli analyzed. Eighty-two percent of the EPEC strains belonged to two resistance patterns. There was no consistent relationship between palsmid profile group and antimicrobial resistance pattern, although one resistance pattern was more frequently observed in EAF-positive strins belonging to the dominant plasmid profile group. Nine percent of the EPEC strins were resistant to gentamicin compared to 37% in the non-EPEC group. No correlation was observed between administration of gentamicin and percentage of resistant strains isolated. None of the nine neonates receiving gentamicin died during the outbreak. Gentamicin resistance was observed in E.coli strains from six out of these nine neonates. Five out of fourteen neonates who received other antimicrobials, or no antibiotic at all, died.

Key words: Enteropathogenic Escherichia Coli; antimicrobial resistance;


Sigana, DA.  2002.  The Breeding cycle of Thalamita crenata Latreille, 1829 at Gazi Creek (Maftaha Bay), Kenya.. Western Indian Ocean Journal of Marine Science. 1(2):145-153., Zanzibar Tanzania: WIOMSA Book SeriesWebsite
Sigana, DAO.  2002.  The breeding cycle of Scylla serrata (Forskal, 1755) at Ramisi River estuary, Kenya.. Wetlands Ecology and Management. 10(3):257-263.: Nyenze E, Ilako D, Kimani KWebsite


Sigana, DA.  2001.  The Reproductive biology of Thalamita crenata Latreille at Gazi Bay in Kenya., 1 July. Marine Science Development in Tanzania and Eastern Africa. , Zanzibar Tanzania: Nyenze E, Ilako D, Kimani K


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