Suspected Lythrum hyssopifolia (lesser loosestrife) poisoning of cattle

Jimmy N. Tran, Pi Jie Yang, Anthony G. Morton, Andrew A. Todd, John G. Boulton, Adrian W. Philbey

Research output: Contribution to journalArticlepeer-review

Abstract

Case reportMorbidity and mortality in two herds of cattle in southern New South Wales were associated with ingestion of lesser or hyssop loosestrife (Lythrum hyssopifolia). Clinical signs in adult cows included depression, listlessness, inappetence, anorexia and recumbency. Deaths occurred in 16/48 (33.3%) and 4/60 (6.7%) adult cows, but calves in both herds were unaffected. Elevated concentrations of urea and creatinine were present in the serum of one clinically affected cow and an elevated concentration of urea was detected in the aqueous humour of one cow that died. On histopathological examination, there was severe, acute necrosis of the proximal convoluted tubular epithelial cells in the kidneys of both affected cattle examined.

ConclusionThere is strong evidence that lesser loosestrife is nephrotoxic for cattle.
Original languageEnglish
Pages (from-to)474-476
Number of pages3
JournalAustralian veterinary journal
Volume91
Issue number11
DOIs
Publication statusPublished - Nov 2013

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