猪皮肤疾病的鉴别诊断.ppt

Old lesions on recovered pig showing banding growing out of hoof. 第63页，共107页，编辑于2022年，星期一 Swine vesicular disease. Snout vesicular lesion. 第64页，共107页，编辑于2022年，星期一 Vesicular lesions on snout. 第65页，共107页，编辑于2022年，星期一 Recently ruptured blister on rim of snout. 第66页，共107页，编辑于2022年，星期一 Recently ruptured blister on foot. 第67页，共107页，编辑于2022年，星期一 Separation of horn following rupture of blister. 第68页，共107页，编辑于2022年，星期一 Ruptured vesicle on snout and tongue. 第69页，共107页，编辑于2022年，星期一 Lesions on coronary band, bulb of heel and supernumerary digit. 第70页，共107页，编辑于2022年，星期一 Recently ruptured vesicle on interdigital space. 第71页，共107页，编辑于2022年，星期一 Ruptured vesicles on coronary band. Separation of bands. 第72页，共107页，编辑于2022年，星期一 Vesicular exanthema of swine (VES) An acute, contagious, viral disease of swine manifested by the formation of vesicles. Vesicular exanthema is indistinguishable from the other swine diseases such as FMD, VS and SVD. 第73页，共107页，编辑于2022年，星期一 Antemortem findings: Incubation: 2–4 days Large number of hogs are affected. Heavy mortality in suckling pigs Blotchy rash in unpigmented skin (exanthema) Vesicles on the snout and in the mouth. Ruptured vesicles result in erosions Loss of weight Walking on their knees (Fig. 122) and lameness Squealing when forced to move Postmortem findings : Vesicles on mucous membranes and skin 第74页，共107页，编辑于2022年，星期一 Vesicular exanthema. Pig walking on knees due to pain from the vesicular lesion on the feet. 第75页，共107页，编辑于2022年，星期一 第31页，共107页，编辑于2022年，星期一 螺旋体病leptospirosis Leptospirosis is a disease of domestic animals caused by bacteria belonging to the genus Leptospira. These organisms have a world wide distribution and cause economic loss primarily through reproductive wastage. Losses are greatest in animal populations kept under the intensive farming systems found in the developed world. Specific strains are maintained by different domestic animal hosts, e.g. serovar hardjo is maintained by cattle and serovar bratislava is ma