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Alveld (photosensitization due to Narthecium ossifragum) in lambs. Review and research results


, : Alveld (photosensitization due to Narthecium ossifragum) in lambs. Review and research results. Norsk Veterinaertidsskrift 89(4): 199-209

Saponin, a constituent of the moorland plant N. ossifragum, has been speculated as being the cause of 'alveld', a disease affecting white and completely black lambs. Symptoms, which develop rapidly (24 hours) in the autumn, include a strong photophobia, locked and irritated eyes, drooping and oedematous ears, and a reduced appetite.

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