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Now showing items 11-20 of 63
The kinetics of haemopoietic differentiation assessed by in vitro bone marrow culture in endotoxin-treated and in anaemic calves
(University of Nairobi., 1980-07)
Marrow aspirates from calves injected with Pseudomonas aeruginosa endotoxin showed an increased number of granulocyte/macrophage progenitor cells, and a reduced number of erythroid progenitor cells. On the other hand, ...
Depression of ovarian function and plasma progesterone and estradiol-17 beta in female goats chronically infected with Trypanosoma congolense
(University of Nairobi., 1988-04)
Adult normocyclic female goats experimentally infected with Trypanosoma congolense developed irregular and shorter estrous cycles before complete cessation at the fourth cycle post-infection. This was followed within a ...
Mortality in adult tsetse, Glossina morsitans morsitans, caused by entomopathogenic bacteria
(University of Nairobi., 1989-07)
Mortality in adult tsetse, Glossina morsitans morsitans, caused by Pseudomonas aeruginosa, Serratia marcescens, Bacillus sphaericus, Bacillus cereus, Bacillus thuringiensis H-14, B. thuringiensis 1, B. thuringiensis 5, B. ...
Studies On The Development And Survival Of Rhiphicephalus Pulchellus And Amblyomma Gemma Under Field Condition In Ethiopia
(University of Nairobi., 2001)
Protection of Metarhizium anisopliae conidia from ultra-violet radiation and their pathogenicity to Rhipicephalus evertsi evertsi ticks
(University of Nairobi., 2008-12)
Metarhizium anisopliae conidia were formulated in water or in olive oil containing 3% commercial sunscreens (Everysun or E45 Sun Block 50) and exposed to an artificial UV source for up to 5 hours. Survival of conidia after ...
Non-chemical agents and factors capable of regulating tick populations in nature: A mini review
(University of Nairobi., 1992-08)
Ticks have always been a major obstacle to livestock production due to the devastating diseases which they transmit especially in the tropics. The control of ticks which has relied heavily on the use of acaricides is now ...
Comparison of resistance in three breeds of cattle against African ixodid ticks.
(University of Nairobi., 1996-04)
Tick resistance in three breeds of cattle, two indigenous breeds (Arssi and Boran) and one Boran x Friesian cross-bread, were compared following natural tick infestations at Abernossa ranch in Ethiopia. The local Arssi ...
Performance of a prototype baited-trap in attracting and infecting the tick Amblyomma variegatum (Acari: Ixodidae) in field experiments
(University of Nairobi., 2006)
Investigations were commenced to study the potential use of the fungi, Beauveria bassiana, Metarhizium anisopliae, and the attraction-aggregation-attachment pheromone (AAAP) for the control of Ambloyomma variegatum as an ...