(n.) A venomous two-winged African fly (Glossina morsitans) whose bite is very poisonous, and even fatal, to horses and cattle, but harmless to men. It renders extensive districts in which it abounds uninhabitable during certain seasons of the year.
Example Sentences:
(1) One hundred and forty six calving interval records were built up from 64 N'Dama cows maintained for 3.5 years under a high natural tsetse challenge in Zaire.
(2) "Decoding the tsetse fly's DNA is a major scientific breakthrough.
(3) Studies of activity levels indicate that tsetse flies should aggregate in damp situations where the activity levels is minimal, whereas in practice the flies are distributed throughout the whole of gradient.
(4) Injection of tsetse homogenates into teneral G. m. morsitans prior to exposure to trypanosome-infected feed increased T. b. brucei infections in the flies significantly.
(5) Seasonal changes in the mean size of tsetse, Glossina pallidipes Austen, as indicated by wing vein length, were monitored during 1983-86 at Nguruman, southwestern Kenya.
(6) Cultures thus established were infective to rats and tsetse flies.
(7) The acquisition of the variant surface glycoprotein (variable antigen) coat by metacyclic stage Trypanosoma brucei in the salivary glands of the tsetse fly, Glossina morsitans, has been studied in situ by transmission and scanning electron microscopy using monoclonal antibodies raised against metacyclic variable antigen types and complexed with horseradish peroxidase or colloidal gold.
(8) The utility of recombinant DNA probes in the detection of natural trypanosome infection of tsetse flies has been assessed in Lambwe Valley, near the shores of Lake Victoria, Kenya.
(9) The spectrum of the sounds produced by the tsetse fly Glossina morsitans morsitans extends to above 80 kHz and the energy distribution between 20 and 70 kHz is related to behavior.
(10) These laboratory bioassay findings agree with field observations on tsetse responses to certain chemical odours.
(11) Relationships were evaluated between trypanosome infection as measured by antigen detection enzyme immunoassays (antigen ELISA), anaemia as determined by average packed red cell volume (PCV), and animal performance as assessed by daily weight gain in 99 N'Dama cattle in Gabon exposed to natural tsetse challenge at 11.5 months of age and recorded 14 times over a 13 week period.
(12) During an outbreak of Rhodesian sleeping sickness in the Lambwe Valley in 1980 initial tsetse control measures consisted of applications of dieldrin to the periphery of the Ruma National Park.
(13) Through a systematic health education programme, people are actively involved in making and setting traps and in learning about the general characteristics of the tsetse fly and the disease.
(14) monoclonal antibodies), large trypanosome stock collections and the measurement of parameters such as virulence, tsetse transmissibility etc.
(15) Its low cost and the possibility for the farmer to soak themselves the trap with insecticide allow to consider its use for large-scale control of tsetse flies in the forest zones by rural communities.
(16) In the present study, we demonstrate that lymph node cells from cattle infected with T. congolense through tsetse fly challenge were unable to proliferate in vitro following activation with the T-cell mitogen Concanavalin A.
(17) rhodesiense has yielded a lot of information which suggests that these trypanosomes are a sub-set of the stocks circulating in tsetse and non human hosts and that each focus constitutes a separate set of human infective stocks.
(18) Its simple and robust construction makes this trap ideally suitable for the large scale control of tsetse flies.
(19) Light and electron microscope investigations were carried out on the infection with Trypanosoma (Nannomonas) congolense of laboratory-reared tsetse flies Glossina pallidipes.
(20) Tests were also made on 12 lines (clones) of a stabilate of polymorphic trypanosomes isolated from tsetse flies.