问题
—匹母马常年厌食,腹部膨隆似桶状,大便减少,仅能排出少量的浆液性或带血丝的黏液性粪便,偶尔出现腹泻,这种疾病可能是()
A.肠套叠
B.肠道异物
C.巨结肠
D.便秘
E.很难确诊
请帮忙给出正确答案和分析,谢谢!
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