| 单词 | udn |
| 释义 | > as lemmasUDN UDN n. Veterinary Medicine ulcerative dermal necrosis, a disease of fish. ΘΚΠ the world > health and disease > ill health > animal disease or disorder > disorders of fish > [noun] fungus1880 salmon disease1880 furunculosis1912 white spot1928 columnaris1945 whirling disease1961 UDN1968 1968 Carbery & Strickland in Irish Veterinary Jrnl. XXII. 171/2 This paper describes the symptoms, gross and microscopic lesions, epizootiology and bacteriology of UDN. 1972 Trout & Salmon Feb. 9/1 The effects on spawning stocks of UDN..are dangers just as significant. < as lemmas |
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