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Now showing items 51-56 of 56
Some aspects of sexual receptivity and refractory behaviour in female Glossina morsitans morsitans Westwood
(University of Nairobi., 1993-12)
Sexual receptivity was investigated in female Ghssina morsitans morsitans Westwood after mating. The degree of insemination and duration of copulation could affect sexual receptivity when females mate with immature males. ...
Mortalities induced by entomopathogenic fungus Metarhizium anisopliae to different ticks of economic importance using two formulations
(2011)
The objective of this study was to compare the infe
ctivity of
Metarhizium anisopliae
at a
concentration of 1 × 10
8
conidia/ml to developmental stages of
Amblyomma variegatum,
Rhipicephalus appendiculatus
and
...
Prospects for Biological Control of Livestock Ticks,Rhipicephalus appendiculatusandAmblyomma variegatum,Using the Entomogenous FungiBeauveria bassianaandMetarhizium Anisopliae
(Elsevier, 1996-01)
Both Beauveria bassiana and Metarhizium anisopliaeinduced approximately 30% mortalities in adultRhipicephalus appendiculatusfeeding on rabbits whileM. anisopliaeinduced a mortality of 37% in adultAmblyomma variegatum.Both ...
Further observations on survival and fertility of Glossina morsitans morsitans maintained on immunized rabbits
(University of Nairobi., 1984)
A significant increase in mortality was observed in Glossina morsitans morsitans maintained for approx. 45 days on rabbits immunized with tsetse or bovinetrypsin. Tsetse and bovine trypsin were observed to cross-react when ...
Attraction of Amblyomma variegatum (ticks) to the attraction-aggregation-attachment-pheromone with or without carbon dioxide
(University of Nairobi., 2003)
The responses of adult Amblyomma variegatum ticks released from various distances to different doses of the synthetic attraction-aggregation-attachment pheromone (AAAP) (made up of orthonitrophenol, methyl salicylate and ...
Cryopreservation of bovine hemopoietic progenitor cells in liquid nitrogen
(University of Nairobi., 1981-04)
Bovine marrow granulocyte/macrophage and erythroid progenitor cells maintained viability after storage in liquid nitrogen for 2 to 4 weeks. The granulocyte/macrophage progenitor cells maintained 100% viability for 4 weeks, ...