Bio-ecological Studies Of Mango Weevil, Sternochetus Mangiferae F. In The Coast Of Kenya (Coleoptera: Curculionidae)

Laboratory investigations were carried out on pre-oviposition, oviposition and the life history of mango weevil Sternochetus mangiferae Fab. from egg stage to adult emergency. Effect of feeding on longevity of male and female adult weevils was also studied. The experiments were conducted at 30+1°C and 73 per cent relative humidity Field experiments were conducted to investigate susceptibility of Apple, Ngowe and Boribo cultivars to mango weevil.

Constraints to Dairy Heifer Calf Rearing in Small Holder Farms in Murang\'a District Kenya

Factors associated with growth and weight gains were examined in a prospective observational study that was conducted in 5 cohorts of female calves. A total of 225 calves on 1888 smallholder dairy farms were observed a period of one and a half years. The calves were distributed in 5 agro-ecological zones (AEZ) –grazing strata namely: Upper Midlands (UM)1, zerograzing, UM1 open-grazing, UM2, UM4 zero grazing and UM 4 open grazing. The calves were recruited within the first year of study that was conducted between March 1995 and August 1996.

Factors influencing Mango value addition in Kenya: A case of group projects in Makueni County

The economies of sub-Saharan African countries, which remain predominantly rural, are based on agricultural production systems. Food security, a major objective in the development programmes of African countries, has been put at risk by poor performance in the field of agriculture. Mango fruit as a substitute of food in Kenya is widely grown. The researcher's objective was to establish the factors influencing mango value addition. This research was conducted via a descriptive research design which generally describes the characteristics of a particular situation, event or case.

Ripening of Kenyan Mangoes of the Ngowe variety during Storage at Ambient Temperatures in different Packages

Firm mature green Kenyan mangoes of the Ngowe variety were stored at ambient temperatures (22.2 ± 1.3 OC) in perforated fibreboard cartons, and in sealed non perforated polyethylene bags (gauge 150) with and without potassium pennanganate inserts. Initially, then after three days and thereafter after every two days during storage, the fruits were analyzed for flesh firmness as the reference ripening index, also for pH, total titratable acidity, total soluble solids (as oBrix) total carotenoids, flesh colour, ascorbic acid and weight loss.

Effect of Breed, Month of the Year and Age of Bulls on Semen Quality of Bos Taurus Bulls in a Tropical Environment

Ejaculates from 48 bulls comprising equal numbers of Aryshire, Fresian, Guernsey and Jersey breeds at an artificial insemination station in Kenya were analysed. The effect of age, breed and month of the year on semen volume, spermatozoa concentration and motility were studied.

The second ejaculate volumes, concentrations and motility were significantly higher (p<0.01) than the first ones.

Invitation to Mango Processing Consultative Workshop

University of Nairobi (University of Nairobi, 2015)
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MANGO PROCESSING CONSULTATIVE WORKSHOP – 5th June, 2015 TIME ACTIVITY RESPONSIBILITY 8.30 - 9.00 am Arrival and Registration University of Nairobi Team 9.00 – 9.10 am Introductions All 9.10 – 9.30 am Welcome remarks and official opening

Commercial Pectolytic enzymes in Production of Mango Juice Concentrate

The jelling phenomenon of extracted mango pulp at elevated temperatures limits the production of mango juice concentrate with high solids content by evaporation. To overcome this problem, the mango pulp was divided Into two portions and treated separately with liquefying and macerating enzymes. It was then possible to concentrate the lower viscosity product of the liquefying enzyme to approximately 600 Brlx before blending with the single strength macerated pulp.

Energy Conservation in Milk Processing Plants

Milk processing plants utilise both fossil fuel energy and electrical energy. In recent years, there has been considerable interest in efficient utilisation of energy in these plants. The reasons for this include the need to reduce energy cost in individual plants, the energy import bill for energy importing countries, the rate of depletion of non-renewable energy resources and the adverse environmental impact associated with energy use.

Invasion and Colonisation of Maize plant Rhizosphere by two Plant Growth Promoting Rhizobacteria

Financial implications of rearing sheep and goats under natural trypanosomosis challenge at Galana ranch, Kenya.

A study to compare the profitability of rearing sheep and goats under natural trypanosomosis challenge was carried out on Galana ranch in south-eastern Kenya between July 1996 and October 1997. Seventy-nine male weaner sheep and 79 male weaner goats were monitored monthly for weight changes and fortnightly for trypanosomosis. The animals of each species were divided into two groups. Group 1 was an untreated control, while group 2 was treated with isometamidium chloride (Samorin) at 0.5 mg/kg body weight every 3 months.


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