nagana, noun

Forms:
Also ngana.
Origin:
IsiZuluShow more Englished form of isiZulu ulunakane, unakane.
Pathology
An often fatal disease of domestic livestock which is characterized by fevers, lethargy, and oedematous swellings, and caused by the parasite Trypanosoma brucei, which is transmitted by flies of the genus Glossina; fly sense 2 a; tsetse sense 2 a. Also attributive.
1895 D. Bruce (title)Preliminary report on the tsetse fly-disease, or nagana, in Zululand.
1896 Nature 16 Apr. 567Nagana pursues a much slower course in cattle than in horses.
1904 Quarterly Review (U.K.) July 120The ‘fly districts’ where nagana disease is rife.
1921 E. Prov. Herald 22 Jan.In the course of a lecture on new aspects of the disease nagana, Dr. Du Toit..said..it had been shown that ordinary flies could transmit the infection...Sir David Bruce’s theory that nagana and sleeping sickness were identical, had to be abandoned.
1923 S. Afr.: Land of Outdoor Life (S.A.R. & H.) 274Since the outbreak of nagana disease, caused by the tsetse-fly, certain species of game have been declared ‘nagana’ game, these being waterbuck, Koodoo, wildebeest, buffalo, zebra and male bushbuck.
c1936 S. & E. Afr. Yr Bk & Guide 760Apart from the question of sleeping sickness, where Glossina morsitans is prevalent, it is rare for any domestic animal to escape death from ‘nagana’.
1946 Cape Times 23 May 6Urgent measures to be taken to combat nagana cattle disease in Natal. The tsetse fly is the culprit.
1963 S.H. Skaife Naturalist Remembers 43As long ago as 1875 Colonel D. Bruce studied the life history of the tsetse fly in Zululand, and proved that this insect is the carrier of nagana.
1965 New Scientist (U.K.) 26 Aug. 504Wild game don’t suffer from nagana, the tsetse-borne trypanosome disease that disastrously affects domestic cattle.
1976 E. Prov. Herald 29 Sept. 15The tsetse fly causes sleeping sickness in man and the dreaded disease, ngana, in cattle and is spread when an infected fly sucks the blood of a host.
1988 T.J. Lindsay Shadow (1990) 35The vehicles passed through the old tsetse fly gates that once indicated the Health Department’s boundary fence preventing flies and infected, but immune, game from entering the unsprayed areas and bringing the menace of sleeping sickness to humans or nagana to cattle.
An often fatal disease of domestic livestock which is characterized by fevers, lethargy, and oedematous swellings, and caused by the parasite Trypanosoma brucei, which is transmitted by flies of the genus Glossina; fly sense 2 a; tsetse sense 2 a. Also attributive.
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18951988