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, ...

Spores of two entomogenous fungi, Beauveria bassiana and Metarhizium anisopliae, were mixed with sterile sand at two different concentrations (1.0 and 0.5 g/liter) and larvae of tsetse flies Glossina morsitans morsitans ...

Since the first report of tick parasitoids by Howard (1907), sevens pecies belonging to the genus Ixodiphagus have been described. Apart from a few parasitoid releases in the USA and Europe in the first third of the century, ...

A water soluble extract of M. discoidea, an African indigenous plant induced high mortalities in nymphs of both Rhipicephalus appendiculatus, and Amblyomma variegatum and in adult R. appendiculatus, but not in adult A. ...

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 ...

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 ...

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 ...