jaagsiekte, noun

jachtziekte, jagsiekteShow more Formerly also jachtziekte, jagsiekte, jagtziekte, jagziekte.
Afrikaans, Dutch, Show more Afrikaans, jaag, jag pant, draw quick laboured breaths (from Dutch jagen hunt, pursue) + siekte (Dutch ziekte) disease.
Either of two livestock diseases which cause an increased rate of respiration:
1. Crotalariosis, a disease of horses caused by the ingestion of either of two plants of the genus Crotalaria of the Fabaceae, C. dura or C. globifera.
1899 Natal Agric. Jrnl 31 Mar. 4‘Jachtziekte’ (hunting or galloping sickness) a rapidly fatal ailment of horses.
1930 Outspan 31 Oct. 69‘Gousiekte’ and ‘geel dikkop’ in sheep, ‘staggers’ or ‘rushing disease’ of cattle, ‘jagsiekte’ in horses, and possibly also ‘dunsiekte,’ are all caused by plant poisoning.
1937 Handbk for Farmers (Dept of Agric. & Forestry) 357‘Jaagsiekte’ in horses is caused by the plants Crotalaria dura and C. globifera...the first noticeable symptom is the increase in the rate of respiration (breathing), which may vary from 100 to 120 per minute. A dry cough is present.
1966 C.A. Smith Common Names 257These species (sc. Crotalaria dura and C. globifera) have been incriminated in causing the disease, known as ‘Jaagsiekte’, in horses, whence the vernacular name.
2. A lung disease of sheep.
1905 Cape of G.H. Agric. Jrnl 526In the later stages the poor beast stands with its ribs fixed and flanks heaving, panting for breath, hence the Dutch name jagziekte or droning sickness.
1913 C. Pettman Africanderisms 232Jagziekte, (D. jagen, to hunt; ziekte, sickness.) Chronic catarrhal pneumonia in sheep is thus designated, the panting of the animal making it look as if it had been hunted.
1914 Farmer’s Annual 223There is strong evidence that in certain conditions jagziekte is infectious or contagious, but all attempts to communicate it artificially by innoculation of the blood with inflammatory products from the lungs have failed...Jagtziekte is a pneumonia — that is, an inflammation of the lungs, but of a peculiar character.
[1934 C.P. Swart Supplement to Pettman. 80A herb that causes ‘jaagsiekte’ in sheep i.e. chronic catarrhal pneumonia which causes the affected animal to pant and give it the appearance of having been hunted. The herb, whose botanical name is Crotalaria dura, is found in the Midlands of Natal.]
1976 Mönnig & Veldman Handbk on Stock Diseases 276The cause of jaagsiekte in sheep is as yet unknown, but it is possible that susceptibility to the disease is hereditary. It is characterized by a continuous growth of the tissue of the smallest air passages, which later have the appearance of a tumor invading the lung.
3. combination.
jaagsiektebossie /-ˌbɔsi/ [Afrikaans, bossie (see boschje)], any of several shrubs of the genus Crotalaria of the Fabaceae, especially C. dura and C. globifera.
1930 Farming in S. Afr. Dec. 454 (Swart)The ‘Jaagsiekte-bossie’ (Crotalaria dura) belongs to the same genus as the preceding.
1966 C.A. Smith Common Names 257Jaagsiektebossie, Crotalaria dura, C. globifera..and C. brachycarpa...Shrubs with erect stems from a woody perennial and thickened rootstock.
Crotalariosis, a disease of horses caused by the ingestion of either of two plants of the genus Crotalaria of the Fabaceae, C. dura or C. globifera.
A lung disease of sheep.

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