Dwyer C J, Downing G M, Gabor L J
Smithton Veterinary Service, PO Box 23, Smithton, Tasmania, 7330.
Aust Vet J. 2003 Jun;81(6):332-5. doi: 10.1111/j.1751-0813.2003.tb11506.x.
Neonatal calves from a seasonal dairy herd in North Western Tasmania were presented for veterinary care due to mortalities and bleeding from multiple orifices. Necropsy examination revealed free blood throughout the parenchymatous organs, body cavities and connective tissues. There was no history of anticoagulant exposure, however, high quantities of dicoumarol were found in samples from hay fed to recently calved cows. No Australian cases of dicoumarol toxicity in neonatal calves have been previously documented, and dicoumarol toxicity in adult cattle would appear to be less common than in colder farming regions of the Northern Hemisphere.
来自塔斯马尼亚岛西北部一个季节性奶牛场的新生犊牛因死亡和多处孔窍出血而接受兽医治疗。尸检发现实质器官、体腔和结缔组织内均有游离血液。没有接触抗凝剂的病史，然而，在喂给刚产犊母牛的干草样本中发现了大量双香豆素。此前澳大利亚没有新生犊牛双香豆素中毒的病例记录，而且成年牛双香豆素中毒似乎比北半球较寒冷养殖地区更为少见。
