*Faecal analysis should be carried out to rule out parasitic causes such as [[Small Animals #Nematodes of Dogs - the HOOKWORMS |hookworms]], whipworms and ''Giardia''.
+
*Faecal analysis should be carried out to rule out parasitic causes such as [[Small Animals #Nematodes of Dogs - the HOOKWORMS |hookworms]], [[Small Animals # Nematodes of Dogs - the WHIPWORM| 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.