Browsing by Author "Kagumba, M."
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Item The Effect of Some Climatic Factors on the Incidence of Caprine Pleuropneumonia in the Sultanate of Oman(1992) Litamoi, J.K.; King, G.J.; Njuho, P.M.; Muriu, D.; Kagumba, M.; Muthomi, E.; Kenya Agricultural Research Institute, National Veterinary Research Centre, Muguga, Kenya.Contagious caprine pleuropneumonia (CCPP) is an economically important mycoplasmal disease of goats with a wide geographical distribution. Apart from inducing cold stress, low temperatures may extend the life of disease-causing organisms, increase the tendency of animals to huddle together, thereby decreasing ventilation. These factors in combination can favour an increased level of airborne microbials, thus increasing the chances of disease outbreak. Dry weather on the other hand, which tends to be associated with more light, reduces the risk of spread of disease because of rapid evaporation and more ultraviolet radiation which can lead to the inactivation of disease agents such as mycoplasmas.Item The Efficacy of Lyophilised T 1 Vaccine against Contagious Bovine Pleuropneumonia(1989) Simam, P.K.; Kagumba, M.; Kenya Agricultural Research Institute, Veterinary Research DepartmentThe immunogenicity of Iyphilised T1 broth culture vaccine has been investigated by several workers (1.21. Karst (1972) in Nigeria observed that the Iyophilised T1 vaccine showed a lower efficacy percentage than the "wet" T1 broth culture vaccine but it was nonetheless a safe vaccine to use in cattle (31. In another trial at Muguga(41, the freeze-dried (French) T' vaccine and the T1 broth culture vaccine (Muguga) were found to protect cattle 6 months after primary vaccination. The purpose of this communication is to report the results of a trial carried out to assess the efficacy of Iyophilised T1 vaccine (Muguga) in cattle 2 months after primary vaccinationItem Lyophilisation of T1 Broth Culture Vaccine of Mycoplasma Var. Mycoides(1977) Kagumba, M.; East African Veterinary Research Organisation, Muguga, P.O. Box 32, Kikuyu, Kenya.Sucrose-lactalbumin hydrolysate was suitable for lyophilization of the M. mycoides T1 broth culture vaccine. A loss of only one logarithm of infectivity occurred during freeze-drying. Thereafter the titre remained relatively stable throughout 12 months of storage at either 4 deg C, -20 deg C or -50 deg C. The reconstituted vaccine was kept at room temperature for 3 hours without loss of titre.
