Foals and weanlings (typically) Weight loss or failure to thrive and diarrhea Hypoproteinemia/hypoalbuminemia Transabdominal ultrasonography Fecal polymerase chain reaction Serum antibody titers Biopsy
Cecum
Cecal impaction (secondary to muscular hypertrophy)8
Cecocecal or cecocolic intussusception Neoplasia Palpation per rectum
Palpation per rectum Transabdominal ultrasonography Exploratory laparotomy See small intestine