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某农村养猪户送来3月龄左右病猪2只，外观可见腹部皮肤有紫斑，四肢末端皮肤有黑色结痂。具主述该猪病程有20d左右，消瘦，体温40.0℃左右，食欲时好时坏，便秘和腹泻交替发生，耳、腹部、背部等处皮肤有出血斑块，经抗生素治疗效果不明显该病可能是（ ）A、猪瘟 B、仔猪副伤寒 C、猪丹毒 D、猪肺疫 E、猪高热病 死亡后剖检可能出现（ ）A、脾肿大，坚硬如橡皮 B、回盲瓣出现纽扣状溃疡 C、肝肿大 D、肾脏有白色坏死灶 E、膀胱黏膜有小点出血 病料应采集（ ）A、脾脏 B、肝脏 C、肺脏 D、肠黏膜 E、膀胱 快速诊断需进行（ ）A、病理剖检诊断 B、实验室诊断 C、R诊断 D、免疫学诊断 E、临床诊断 预防常用（ ）A、仔猪副伤寒弱毒冻干苗 B、猪丹毒弱毒苗 C、猪肺疫弱毒苗 D、猪瘟兔化弱毒脾淋苗 E、高致病性蓝耳病灭活苗 正常免疫接种的剂量是（ ）A、1头份 B、2头份 C、4头份 D、8头份 E、20头份 免疫程序是（ ）A、60日龄一次 B、20日龄一次 C、20、60日龄各一次 D、每年春季一次 E、每年春秋各一次
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