Retinopathy and optic neuropathy following closantel treatment of ewes

James Crilly, Jorge Del-Pozo, Philip Scott, David Wilson, Isabelle Truyers, Neil Sargison

Research output: Contribution to journalArticlepeer-review

Abstract

An outbreak of sudden onset blindness subsequent to dosing with oral closantel affecting 1 per cent of a six hundred ewe flock was investigated. Clinical examination and histopathology both revealed features fully consistent with closantel toxicity despite the maximum dose received by the affected sheep not exceeding 14.5 mg/kg (recommended dose rate 10 mg/kg). The interval between dosing and the onset of clinical signs had been recorded accurately (minimum interval eight days) and was found to be longer than in previous reports.
Original languageEnglish
Number of pages6
Journal Vet Record Case Reports
Volume2
Issue number1
DOIs
Publication statusPublished - Jan 2014

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