Velvet fungal disease is caused by some fungal infection caused by a deer antler velvet disease. Epidemiology Bucks illness as the main source of infection. Mainly by the disease of deer in direct contact with the health of deer, so deer horn abrasion and infection occurs. May also be kept by the breeder or indirect contact with velvet skin transmission equipment. Bucks infection only, other horned animals, no infection. The disease can occur throughout the year, but in June ~ July antler growth season multiple. High temperature, humidity, insects and more easily induced damage velvet there. Clinical symptoms and pathological changes The velvet itching, skin and dried plum-shaped or rounded with small blisters, ulcers and crusting as the features. Disease of deer spirit, appetite and nutritional status was normal. Disease antler itching, and gently touch the other deer with velvet, and soon appeared on the Velvet skin plum opening of varying size and shape like lesions begin as small round, neat edges and the formation of small blisters pimples and small blisters gradually expanded and ulcerated, and then scab. Late in the disease, can form large diffuse dry scab. Scab parts of the crusts removed, see the bottom in red, black (leather upper), wipe the bottom, there purple leather. Velvet skin thickening of the lesion site. Velvet lesions occurred in the middle, mouth first rare, dried roots no lesions. Disease spread only to the dermis, can not spread to the subcutaneous tissue. No other parts of the body surface deer infected with disease. Dark gray velvet disease lesions after processing traces. The disease has no effect on growth rate and dried. Diagnosis Based on clinical symptoms and pathological changes can make a preliminary diagnosis, confirmed laboratory diagnosis should be further done. Laboratory diagnosis Check pathogen Microscopy, Shabao Lao's culture medium (on colony characteristics, mycelium and spores were identified). Diseased Collection The deer Baoding good, with 70% alcohol disinfection of dried skin lesions, then surgery Daogua take crust, dried skin to be seized. Prevention Improve feeding and management, good hygiene, to prevent deer crowded, to prevent accumulation of water, do regular disinfection. Found that immediate isolation and treatment of this disease, contaminated shelter, feeding trough and utensils should be disinfected.

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