幼猪皮肤红斑疹病的研究

The research of young pig's skin erythema papule disease

１９９０年以来在宁安市发生一种猪的慢性皮肤病，发病年龄主要是１０月龄以内的幼猪，感染率为２０％～３０％。临床使用抗生素类和治癞灵等治疗无效．死亡率低，但严重影响生长，饲料报酬低．经研究，查到病原是猪穿孔螨（Ｓａｒｃｏｐｔｅｓｓｃａｂｉｅｉｖａｒｓｕｉｓ）引起的慢性皮肤病型或过敏型皮炎。

Since 1990s,it happens a Kind of chronic bermatosis of pigs in the area under. Ningan's jurisbition,the age of the disease mainly comes on 10～month～old young pigs,infectious rate is 20%～30%,It is no use with antibiotic etc in clinical treatment. The disease's dead rale is low, but it extremcly effects pig's growth,and the repayment of feed ib low. It makes heavy economic losses. After research, it is found that pathogen is chronic dermatosis or allergic dermatitis caused by Sarcoptes scabiei var, suis.The clinical manifestatkin isn skin slin haemorrhage. erythema, papule, skin thicking, forming fold, crack and erosion, itches cluring whole disease course,the rate of feed changing into meat and growth are effected greatly,and some pigs become pygmy pigs,lose edible value and are eliminated. Pathology change is genend atrophy and papilla layer of skin layer being damaged heavily. In clinical trealmcnt,trealment,dipterex has definite effectiveness,and the best effectiveness is SA capsule.