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A 3‐year‐old female neutered ferret presented with progressive weight loss was diagnosed with portosystemic shunting based on increased fasting bile acids, rectal ammonia tolerance testing and advanced imaging. Ammonia reference values were determined in 16 healthy ferrets. A congenital extrahepatic spleno‐caval shunt was visualised with ultrasonography and CT angiography of the abdomen. Complete surgical shunt closure by suture ligation was performed, without clinical improvement after surgery. Euthanasia was elected 4 months postoperatively because the clinical condition deteriorated. This is a case report of advanced diagnostics and surgical treatment of a congenital extrahepatic portosystemic shunt in a ferret, demonstrating rectal ammonia tolerance testing and imaging as feasible techniques for the diagnosis. [ABSTRACT FROM AUTHOR]

The article reflects on study conducted on seborrheic rabbits with differential diagnoses, including malnutrition, ectoparasites, and yeast dermatitis. It states that thymic lymphoma in rabbits is associated with exfoliative dermatitis. It further states that the oncological treatment and symptomatic protocols for canine sebaceous adenitis shows clinical signs.