dunsiekte, noun

deng sik, din sikteShow more Also deng sik, din sikte, dinziekte, dunziekte.
Afrikaans, South African DutchShow more Afrikaans (earlier South African Dutch), dun thin + siekte sickness.
1. Pathology. Either of two diseases of livestock: a. dunkop. b. Seneciosis, chronic poisoning caused by the ingestion of any of several species of Senecio (family Asteraceae), affecting the liver of the animal; domsiekte sense b.
Called ‘dunsiekte’ especially in horses, Seneciosis is more usually known as Molteno disease (see Molteno sense a) in cattle.
1893 F.C. Selous Trav. & Adventure 4These two forms of horse sickness are known as ‘din ziekte’ and the ‘dik-kop ziekte’ (Thin sickness and thick head sickness).
1898 G. Nicholson 50 Yrs 207The horses sold as ‘salted’, or acclimatised, have perhaps survived an attack of the milder form of the disease, locally known as the ‘din sikte’.
1899 Natal Agric. Jrnl 31 Mar. 4Stock maladies are well known to the English pastoralist under their Dutch or South African Dutch names — ‘dunziekte’, literally thin-sickness in horses.
c1913 W. Van Heusden Treatment of Horses, Cattle, Sheep & Poultry 144Sheep and Goats. Dinziekte (Chronic Diarrhoea).
1916 Farmer’s Weekly 20 Dec. 1537Lately donkeys got what can best be described as ‘dunziekte’.
1929 J. Stevenson-Hamilton Low-Veld 19Horse sickness is of two types: deng sik, in which the lungs are primarily affected, and the animal is choked to death by masses of frothy mucus coughed up therefrom; secondly, dikkop, when the head swells up, and the horse dies of heart pressure.
1934 C.P. Swart Supplement to Pettman. 47Dunsiekte,..The common name of chronic Senecio poisoning. The horse, after having ingested large quantities of the Senecio plant, becomes listless, stands with closed eyes, breathes with difficulty, loses its appetite and becomes emaciated (hence the name) and succumbs in a subconscious state within from three to ten days.
1940 F.B. Young City of Gold 195Then horse sickness appeared in its most fatal form: the variety known as deng sik.
1966 C.A. Smith Common Names 207The species (sc. Senecio retrorsus) is apparently one of the causes of dunsiekte, also called Stomach Staggers in horses, and Molteno Disease in cattle and sheep.
1972 N. Sapeika in Std Encycl. of Sn Afr. VII. 296Ingestion of certain Senecio plants has long been known to cause liver damage, which may result in death in cattle and horses (Molteno sickness, dunsiekte).
1988 [see Molteno sense a].
2. combination
dunsiektebossie /-ˈbɔsi/ [Afrikaans, bossie (bos bush + -ie)], Molteno disease plant (see Molteno sense b).
1973 F.J. Veldman in Std Encycl. of Sn Afr. VIII. 608Senecio retrorsus (dunsiektebossie) — South-Eastern and Eastern Cape.
Seneciosis, chronic poisoning caused by the ingestion of any of several species of Senecio (family Asteraceae), affecting the liver of the animal; domsiekteb.
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