Browsing School of Agriculture and Food Security by Title
Now showing items 292-311 of 427
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New evaluation of Alternaria brassicicola isolates against Striga hermonthica seeds emergence on maize in Kenya
(JRWS, 2021)Striga hermonthica (Del.) Benth is also known as witchweed, is a highly noxious parasite of cereal in Sub- Saharan Africa leading to enormous economic losses of above 7 billion US$ yearly. Some of the suggested control ... -
Next priorities for intervention in Kenya: Results from a cohort study of drug use, HIV and HCV patterns in five urban areas
(University Of Nairobi, 2006)In Kenya, alcohol, cigarettes, Khat (miraa) and cannabis sativa, have remained the most popular abused substance and have been linked to increasing rates of HIV/HCV . This study’s objective was to identify the types, ... -
Nile tilapia (Oreochromis niloticus Linnaeus, 1758) culture in Kenya: Emerging production technologies and socio-economic impacts on local livelihoods
(Wiley online library, 2022)Nile tilapia (Oreochromis niloticus) is one of the most farmed fish globally, with a significant contribution improving local livelihoods, especially in developing countries. Nile tilapia was first cultured in Kenya in ... -
NITROGEN SOURCES AND THEIR EFFECTS ON NITROUS OXIDE EMISSION AND MAIZE YIELD IN WESTERN KENYA.
(2019-09-01)This study assessed the effect of applying inorganic or organic sources of nitrogen, or their combination, on N2O emission, maize yield and Nitrogen Use Efficiency (NUE) at Nyakach, a lowland and Soin, a highland in western ... -
Non-genetic sources of variation and temporal variability in growth and feed efficiency traits among phylogenetically distinct clusters of indigenous chicken in Kenya
(Springer Netherlands, 2016-12-01)This study aims to investigate the influence of non-genetic factors on feed efficiency in indigenous chicken. Residual feed intake (RFI), residual gain (RG) and residual intake and gain (RIG) were used as measures of ... -
NON-GENETIC SOURCES OF VARIATION IN LACTATION CURVE TRAITS OF DAIRY CATTLE IN KENYA
(2010)Lactation curves are a graphical representation of the milk production profile of a cow from parturition to drying up. They provide information about the productivity of the cow and offer a means of explaining features ... -
Non-host resistance to the finger millet blast pathogen Magnaporthe oryzae is modulated by a resistance response to PWL1 and PWL2 in Eragrostis curvula but not in related Chloridoid species
(2023-05-28)Magnaporthe oryzae, a devastating pathogen of finger millet (Eleusine coracana), secretes effector molecules during infection to manipulate host immunity. This study determined the presence of avirulence effector genes ... -
Novel sources of resistance to blast disease in finger millet
(2020)Finger millet (Eleusine coracana (L.) Gaertn. subsp. coracana) is the most important millet in eastern Africa and perhaps the oldest domesticated cereal grain in Africa. One of the major factors limiting finger millet ... -
Nutritional composition, in vitro gas production and in sacco degradability of processed Croton megalocarpus nuts for ruminant feeding
(Online Journal of Animal and Feed Research, 2021)This study was conducted to evaluate the effects of processed croton nut on chemical composition, in vitro gas production and in sacco degradability. Four forms of croton nut namely: whole nut (WN), peeled nut (PN), ... -
Nutritional Value of German Cockroach Meal (Blattela germanica) as a SuperPRO Feed
(Asian Journal of Research in Animal and Veterinary Sciences, 2022-09-22)Evaluating animal feedstuff is a crucial aspect of animal nutrition and formulation. It provides basic nutritional value information on the quality of conventional feedstuffs and enriches the database with novel feedstuffs. ... -
Nutritive Value and Availability of Commonly Used Feed Ingredients for Farmed Nile Tilapia (Oreochromis Niloticus L.) and African Catfish (Clarias Gariepinus, Burchell) in Kenya, Rwanda and Tanzania
(AJFAND, 2012)Commonly utilized feed ingredients for culture of Nile tilapia (Oreochromis niloticus) and African catfish (Clarias gariepinus) from Kenya, Tanzania and Rwanda were collected over a period of six months (January - June ... -
The occurrence of the brine shrimp, Artemia franciscana (Kellog 1906) in Kenya and the potential economic impacts among Kenyan coastal communities
(Kenya Marine and Fisheries Research Institute, Kegati Aquaculture Research Station, 2014)The occurrence of Artemia populations in Kenyan coast is a noble happening. However, much information is lacking concerning its exploitation for Larviculture. This paper reviews inoculation of Artemia in the Kenyan coast ... -
An overview of current status of Kenyan fish feed industry and feed management practices, challenges and opportunities
(Kenya Marine & Fisheries Research Institute, National Aquaculture Research Development & Training Center (NARDTC, 2014)The profitability of commercial fish farming operation is of paramount importance to all farmers. However, farmers must have access to well-balanced and cost effective feeds coupled with optimal on-farm feed management ... -
An overview of Kenyan aquaculture: Current status, challenges, and opportunities for future development
(Munguti Jonathan Mbonge; Kim Jeong-Dae; Ogello Erick Ochieng, 2014-03-31)The Kenyan aquaculture sector is broadly categorized into freshwater aquaculture and mariculture. Whereas freshwater aquaculture has recorded significant progress over the last decade, the mariculture sector has yet to be ... -
Parasitic loads in the genetically improved (F7) Nile tilapia Oreochromis niloticus (L.) cultured in fish farms in Busia and Siaya Counties, Kenya: indicators of increased resistance and efficiencies of synergistic technologies adoptions
(Research square, 2022)In Kenya, breeding programmes whose source of genetic material is local water bodies are at inception with the National Aquaculture Research Center, Sagana being the Nile tilapia and African catfish breeding nucleus. Fish ... -
A participatory approach to the evaluation of the efficiency of animal recording practices based on institutional analysis and development framework
(Cambridge University Press, 2011-02-01)Animal recording is an interactive process that involves several practices. The efficiency of the process is essential to ensure the utility of outcomes necessary for sustainable participation. Most evaluation approaches ... -
Participatory consumer evaluation of twelve sweetpotato varieties in Kenya
(African Journals OnLine (AJOL), 2010)Eleven improved sweetpotato varieties; “Kemb10, SPK004, Mugande, Namaswakhe, K117, Polista, Bungoma, Odinga, 292-H-12, Zapallo” and “Nyathi Odiewo (improved) ”, were tested against four popular farmer varieties; “Nyathi ... -
Participatory epidemiological assessment of factors that limit indigenous chicken productivity under free range system in south western Kenya
(Livestock Research for Rural Development P, 2016)This study used participatory epidemiology (PE) tools and laboratory investigations to assess the factor(s) that limit the productivity of the free-ranged indigenous chickens in south western Kenya. The study was conducted ... -
Participatory epidemiological assessment of factors that limit indigenous chicken productivity under free range system in south western Kenya
(Livestock Research for Rural Development, 2016-10-01)This study used participatory epidemiology (PE) tools and laboratory investigations to assess the factor(s) that limit the productivity of the free-ranged indigenous chickens in south western Kenya. The study was conducted ... -
Participatory evaluation of integrated pest and soil fertility management options using ordered categorical data analysis
(Elsevier, 2010-06-01)Maize is becoming the major food crop around Lake Victoria. Major constraints to its production are Striga, stem borer, and declining soil fertility. Innovative integrated technologies have been developed: the ‘push–pull’ ...