Browsing School of Natural Resources and Environmental Studies by Author "Opiyo, Mary A."
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Dietary administration of probiotics modulates non-specific immunity and gut microbiota of Nile tilapia (Oreochromis niloticus) cultured in low input ponds
Ngugi, Charles C.; Jumbe, James; Opiyo, Mary A.; Charo-Karisa, Harrison (International Journal of Veterinary Science and Medicine, 2019) -
Different levels of probiotics affect growth, survival and body composition of Nile tilapia (Oreochromis niloticus) cultured in low input ponds
Ngugi, Charles C.; Karisa, Harrison Charo; Jumbe, James; Opiyo, Mary A. (Elsevier, 2019)A 7-month experiment was carried out to determine the effects of different levels of probiotics (baker’s yeast (Saccharomyces cerevisiae) and Bacillus subtilis) on Nile tilapia (Oreochromis niloticus) reared in low input ... -
Spawning interactions between hatchery-reared and wild naturalized rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) in high-altitude tropical streams, Kenya
Njue, Justus N.; Ngugi, Charles C.; Mucai, Muchiri; Opiyo, Mary A. (Wiley, 2022-07)Rainbow trout (Oncorhynchus mykiss) is among the most widely translocated fish species in the world. The current study evaluated the spawning interactions between naturalized and wild rainbow trout from two high-altitude ...