猪皮肤疾病的鉴别诊断.pptxVIP

猪皮肤疾病的鉴别诊断;;;猪的皮肤病病因;细菌性：渗出性皮炎、链球菌病、耳坏死、螺旋体病、面部坏死、脓肿、丹毒、巴氏杆菌病、乳腺炎、水肿病、炭疽、恶性水肿;环境性：晒斑、光敏反应、皮肤坏死、黏液囊炎、硬皮病、跛行及脚病变;皮肤病的鉴别诊断;;耳部;背部;肩部;腹部;腹部;后腹部及肋腹部;后腹部;腿（肢）;肢远端、冠状带、脚;渗出性皮炎 ( ExudativeEpidermitis or Greasy pig disease) Exudative epidermitis is a generalized dermatitis that occurs in 5- to 60-day-old pigs and is characterized by sudden onset, with morbidity of 10-90% and mortality of 5-90%. The acute form usually affects suckling piglets, whereas a chronic form is more commonly seen in weaner pigs. It has been reported from most swine-producing areas of the world. ;渗出性皮炎;The generalised form. ;A localised lesion of greasy pig disease. ;;;;链球菌病;链球菌病;;螺旋体病leptospirosis;;;丹毒;Erysipelothrix rhusiopathiae;;Columbia agar, 48h, aerobně. ;Antemortem findings: High morbidity Fever in acute stages Conjunctivitis and vomiting in some cases Bright and alert, squealing in pain on movement Pig is lethargic and stops eating Raised red and edematous rhomboid wheals (acute and chronic forms) Sloughing of skin in the area of the rhomboid lesion Swollen joints and lameness (chronic stage) Sudden death in excited animals ;急性型 Acute type (麻疹型) :全身皮膚に形成された菱形丘疹 ;;;;;Swine erysipelas. Diamond shaped skin lesions.;慢性型 Chronic type( 関節炎型):関節炎のため起立困難を呈する豚 ;Erysipelas rhomboid lesions on a dolphin skin ;;Resolving cellulitis caused by Erysipelothrix rhusiopathiae following treatment with doxycycline and ciprofloxacin. ;Vesicular stomatitis;Antemortem findings : Incubation 2 – 4 days Fever Lesion on the tongue (Fig.) and snout Lesion in the interdigital space or coronary band Refusal of food but acceptance of water Weight loss Lameness and exungulation ;Vesicular stomatitis virus, purified from an infected cell culture. This is an important pathogenic virus of cattle, causing fever and vesicles in the mouth and on the feet. Negatively stained virions: note that they are clearly bullet shaped just like rabies virus. Magnification approximately x40,000. ;Vesicular stomatitis. Detachment