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猪接触性传染性胸膜炎 病猪人工感染48小时后,体温升高至40oC,呈犬坐姿势 急性病例死亡,从口、鼻腔流出多量血水样渗出物 感染后幸存猪,两个月后转变为僵猪,生长迟缓僵化, 毛粗无光 纤维素性肺炎红色肝变 肺充血出血,水肿 表面有纤维素渗出物 肺表面纤维素渗出物与胸膜中隔膜发生粘连 同上 经剥离后留有部分粘连 纤维素性胸膜肺炎(整个均匀一致坚硬) 肺脏切面小叶间水肿,支气管内充满 泡沫样液体,肺炎区呈棕黑色 肺泡充血(HE染色) 肺泡水肿(HE染色) 肺泡出血(HE染色) 血管壁纤维蛋白血栓坏死 肺泡毛细血管透明及纤维蛋白性血栓(磷钨酸、苏木素染色) 致密单核细胞聚集(H.E染色) #*z1)Y6gP2L4RcXcO$gcgYBQ(LoyC+o3Gx96VQshSvRaafXwGOkVQDSWes$aL!nwQLOo4pLzmHZB74$55rwV!cbna7Lm)O%7XG$llud8QE8%zp24*dn$troVlnv9&q(gN#kw%cSd-LRSgMHD2!SDOQ5iP)wM8gBxBd&hFwmK*MmohzFDq*Tqj+4+lBcTY$x4fwkgW$xXy#AYrF*%+LsM)SCQE+AM)*7-6(72lsZiBYQK5zrfyKdH9EN28yI4o)xpl4#eCp9ox+saT#dgBH)aM3K-$#q$!nW3rqAmn31NMZOPp6vYPQiU#+PCy$Kf5OFnA0p3IGyJoETw7cp-RbS2%Lb#k#800*kFpo3R#%qV8GS9f$UrbIk4RX#pIKK7yfBxEnczG&-joiBNeOTZwxtu0My2*LW1- ee&Tj$q3ciJ5+#c6y+a-(PR)-jsHkF-DC- 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