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KMID : 0359319980380020436
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Korean Journal of Veterinary Research
1998 Volume.38 No. 2 p.436 ~ p.440
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Photosensitization due to the ingestion of Japanese millet ( Echinochloa crusgalli ) in a Holstein calf
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Abstract
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Photosensitization occurred in a 4-month old Holstein calf soon after going onto the pasture lush with green Japanese millet(Echinochloa crusgalli). Skin lesions were restricted to the unpigmented white area of skin. They were most pronounced on the dorsum of the body, diminishing in degree down the sides and were absent from the ventral part. The demarcation between lesions and normal skin was clearcut. There were edema, exudation and sloughing of affected skin on the left gluteal region, and erythema, edema and scab on right scapular region. Interception of the light, discontinuance of Japanese millet ingestion, and the administration of antihistamine and penicillin made the calf rapid recovery. This disease was considered photosensitization due to chlorphyll in ingested Japanese millet.
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