Search
Now showing items 351-360 of 414
Sex Reversal, Growth And Aspects Of The Biology Of Oreochromis Niloticus (L.)
(University of Nairobi, 1992)
Some aspects of the reproductive biology, sex
reversal and growth of sex-reversed O. niloticus are
reported.
typical
O. niloticus displays reproductive behaviour
of oreochromine tilapias. The male is
territorial and ...
Comparison Of The Efficacy Of Melia Volkensii (Gurke) Azadirachtin, Pyrethrum Plant Extracts, Cubex And Steladoner On Cattle Ticks, rhipicephalus Appendiculatus And Boophilus Decoloratus
(University of Nairobi, 1996)
The objectives of this study were to determine the toxicity of
M. volkensii plant extract on the larvae, nymphae and adult
Rhipicephalus appendiculatus ticks and to compare the effects with
those of the ticks treated ...
Studies On Distribution Of Organochlorine Pesticide Residues In A Tropical Marine Environment Along The Kenyan Coast
(University of Nairobi, 1998)
A Study was conducted in which samples of seawater, seaweed, sediment and fish
were collected from four sites: Sabaki, Kilifi, Ramisi and Mombasa along the Kenya
coast between 1996 and 1997. The samples were: subjected ...
Effects Of Ricinus Communis Linneaus (euphorbiaceae) Extracts On Leishmania Major Promastigotes And On Infected Balb/c Mice
(University of Nairobi, 1998)
The effect of castor oil plant seed oil fractionally extracted with diethyl-ether
and the aqueous extracts of its leaves was tested in vitro on Leishmania major
(Yorkimov and Schokor, 1913) promastigotes and in vivo on ...
Podborer insect pests attacking pigeonpea, cajanus cajan (L) millsp, at flowering and post-flowering stages and their impact on yield in Kenya
(1993)
The pigeonpea Cajanus cajan (L.) Millsp, is one
of the major pulse crops farmed in Kenya particularly
in arid and semi-arid areas. It is important for its
nutritive value to people because of its high protein
content.
One ...
Ecological study of herpetofauna in the Arabuko-Sokoke and Gede coastal forests of Kenya
(1993)
The herpetofauna of the two coastal forests (Arabuko-
Sokoke and Gede) of Kenya, were sampled using three methods
namely: Quadrat, Time constraint and Opportunistic methods.
During the study, 2,201 individuals were ...
The determination of the relationship between the pyrethrins and the yellow pigmentation in pyrethrum flowers
(1994)
Pyrethrum (Chrysanthemum cinerariaefolium Vis) is the
source ofthe colourlesssixcloselyrelated insecticidalester
compounds collectively referred to as "Pyrethrins". The
pyrethrum flower isyellow at itscentral part ...