Now showing items 1-4 of 4
Acquisition of resistance to the tick Amblyomma variegatum in Boran cattle, Bos indicus and the effects of Trypanosoma congolense and Babesia bigemina on host resistance
(University of Nairobi., 1996-04)
Resistance was induced in cattle to the tick Amblyomma variegatum by five consecutive infestations with nymphs and adults. Using the principal component analysis (PCA), it was found that percentage of adults engorged, ...
Repellence of the tickRhipicephalus appendiculatus by the grassMelinis minutiflora
(Uniiversity of Nairobi., 1995-11)
In a study to develop anti-tick pastures, the climbing behaviour ofRhipicephalus appendiculatus onMelinis minutiflora (molasses grass) was investigated. Experiments were done with cut green stems of grass, grass dried in ...
Experimental infections of the tick Rhipicephalus appendiculatus with entomopathogenic fungi, Beauveria bassiana and Metarhizium anisopliae, and natural infections of some ticks with bacteria and fungi
(University of Nairobi., 1995-09)
Two strains of the entomogenous fungus, Beauveria bassiana, were found to be pathogenic to all stages of the tick Rhipicephalus appendiculatus in the laboratory. A mortality of up to 73 percent of unfed adults was recorded, ...