类丹毒是一种常见的急性感染性皮肤病。病原菌为红斑丹毒丝菌,不形成芽胞,革兰氏染色阳性。猪最易感染而发生猪丹毒,很多猪为带菌者。牛、马、骆驼、鸭、鸡、鸽、鱼类均能传染本病。当人体表有伤口时,接触上述病原菌即可受染。临床表现:临床分为局限型、弥漫型和败血症型。其中以局限型最为常见,多于伤后1～3日患部出现疼痛,继则发生肿胀和红斑,一周后病损渐向四周扩大。其特点为:①局部可见紫红色、边缘清楚略隆 Erysipelas is a common acute infectious skin disease. The pathogen is erythrodermic bacteria, does not form spores, Gram stain positive. Pigs are most susceptible to swine erysipelas, and many pigs are carriers. Cattle, horses, camels, ducks, chickens, pigeons and fish all can transmit this disease. When the human body has a wound, contact with the pathogen can be infected. Clinical manifestations: Clinical divided into localized, diffuse and sepsis type. One of the most common limitations, more than 1 to 3 days after injury pain in the affected area, followed by swelling and erythema occurred, one week later lesions gradually expanded. Its features are: ① locally visible purple, slightly clear edge of the edge