*Faecal analysis should be carried out to rule out parasitic causes such as hookworms, whipworms and ''Giardia''.
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*Faecal analysis should be carried out to rule out parasitic causes such as [[Small Animals #Nematodes of Dogs - the HOOKWORMS |hookworms]], whipworms and ''Giardia''.
*Serum folate level decreases with proximal small intestinal inflammation.
*Serum folate level decreases with proximal small intestinal inflammation.
*Serum cobalamin level decreases with distal small intestinal inflammation.
*Serum cobalamin level decreases with distal small intestinal inflammation.