Canadian Angus Association - Genetic Defects: Protoporphyria

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Canadian Angus Association
#142, 6715 - 8th Street NE
Calgary, Alberta T2E 7H7
(403) 571-3580

Protoporphyria (PR)

Animals affected with Protoporphyria (PR) are sensitive to sunlight and develop scabs and open sores when exposed to sunlight. The liver is also affected and the animals may suffer from seizures. PR is inherited as a simple recessive trait.