Suspected selenium poisoning in a horse

Author: Dewes HF   Lowe MD  

Publisher: Taylor & Francis Ltd

ISSN: 1176-0710

Source: New Zealand Veterinary Journal, Vol.35, Iss.4, 1987-04, pp. : 53-54

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Abstract

A case of selenium poisoning was suspected following the administration of 325μmol selenium a day as sodium selenate (25mg Se) for five consecutive days. The main signs were confined to changes in the integument which were loss of hair from the mane and tail, disintegration of the skin of the anus, lips, prepuce and scrotum, and separation of the hooves from the coronary corium. Periodic analyses of blood, hair and hoof parings from the sole correlated strongly with blood and identified horn and hair as important additional routes of excretion.