pig is by scabies mites acariasis scale insect lurks in the skin caused by chronic disease outside the host. the important clinical symptom is itching, cause skin red dot, pustules, scabby, cracks, etc.
i. popular characteristics
early skin appears small erythema papules. it tickles, scratches on the guardrails, walls, etc., and the affected part is rubbed and bleeding, and the hair falls off.
the disease was born in wet and cold winter, especially in high density, crowded and hygienic conditions. pigs of all ages, sexes and breeds can only occur. note differential diagnosis: the disease is easy to be confused with the exudative dermatitis, and the most obvious identification is the itch of the scab.
ii. clinical symptoms:
early skin appears small erythema papules. the inside of the thigh is more serious.
late autumn and early winter and early spring are most susceptible. early skin appears small erythema papules. the inside of the limbs is more serious. causes inflammation of the skin to itch, common debris, the ministry of friction and bleeding, hair removal. the skin is black and white, dry, thickened, rough and wrinkled or cracked, lose elasticity, scab. the play itches, often in the wall, guardrail and so on friction to stop itchy. if not timely treatment, the disease is stagnant, insufficient rest, mental listlessness, wasting away, severe skin damage, can cause the poisoning death of endotoxin. the disease of keratosis is mainly found in adult pigs.
third, the prevention and treatment of
1. prevention: in the same time, the production room should be treated with insecticides. 2. keep the pig clean and dry, change the bedding, and spray the floor and wall with 1% enemy insect solution. the sows were treated with the treatment and then transferred to the delivery house. for weaned pigs, preventive medicine must be taken. the new imported pigs only have to be treated with medication. 6. twice a year, the breeding of pigs (sows and sows) is prevented.
2. treatment: avirin and ivermectin are separated by 7 days and used 3 times. use a refined enemy insect to match 0. 5% water solution, wash the ministry or spray pig body, 5 days later to be treated again. meanwhile, spray the enclosure (wall, ground appliance, etc.) with the solution of the enemy bug solution, 1 time each day before the next day. four times. |
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