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单词 heartwater
释义 heartwater Vet.|ˈhɑːtˌwɔːtə(r)|
[f. heart n. + water n.: so called from the characteristic accumulation of straw-coloured fluid in the pericardium of the heart.]
A febrile disease of sheep, goats and cattle, caused by the virus Rickettsia (= Cowdria) ruminantium, transmitted by the bont tick (or other closely related ticks), and occurring in various parts of Africa, esp. South Africa, and in Madagascar.
1882S. Heckford Lady Trader in Transvaal xiv. 134 The Nell family..swore it had died of what they call here ‘heart-water’.1896R. Wallace Farm. Ind. Cape Col. xx. 380 Heart-water in sheep is another obscure disease of a specific nature, which seems to be unknown in other sheep countries.1905Rep. Brit. Assoc. 282 An old-time supposition that A[mblyomma] hebræum was associated with a disease called ‘heartwater’, which had practically put a stop to the farming of sheep and angora goats in several south-eastern districts.1930Discovery Aug. 265/2 Heartwater in sheep was..caused by the bite of a tick, Amblyomma hebraeum.1949Cape Argus 11 Aug. 3/6 They dealt with heartwater..in the Union.
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更新时间:2024/12/22 16:34:21