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Discusses factors affecting morbidity and mortality of the Ethiopian highland sheep both on-farm and on-station at Debre Berhan between 1989 and 1990. Primary causes of infections origin resulted in high proportional morbidity (88.4 percent on-farm) and mortality (72.9 percent on-farm and 71.8 pe...
Background Although vector control strategies, such as insecticide-treated bed nets (ITNs) and indoor residual spraying (IRS) have been effective in Kenya the transmission of malaria continues to afflict western Kenya. This residual transmission is driven in part by Anopheles arabiensis, known fo...
Brief mention of research into the infestation of cowpeas by Striga gesnerioides conducted by staff of the Botany Department of the University of Nigeria at Nsukka is followed by more extensive discussion of work on this host-parasite relationship conducted at the Institute of Agricultural Resear...
Seeds of Striga asiatica and S. hermonthica were separated from soil using a wet sieve method with a 2.5 smallcap˜M sucrose flotation solution and 250- and 150-µm mesh screens. In 34 fields, the av. and range of seeds/100 g of soil were 8.2 and 0-75, resp. Seeds were recovered from 28 of the 34 f...
An in vitro growth system was used to determine the virulence of two samples of Striga gesnerioides from Zakpota in southern Benin. Cowpea variety B301, previously considered resistant to all races of S. gesnerioides, was susceptible to both samples of the parasite. Two other cowpea varieties, 58...
Immunity to East Coast fever, a parasitic disease of cattle, is partially attributable to a cell-mediated immune response directed at cells infected with the schizont stage of the parasite. This response is in the form of cytotoxic T cells which can be measured in vitro after stimulating peripher...
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