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Also reported in: mmol/L
BUN represents a smaller fraction of nitrogen excretion in birds compared to mammals (uric acid is the primary end product). Normal levels are reassuring for kidney function.
Low BUN in birds may be seen with low-protein diets or noticeable liver disease. Since birds excrete mostly uric acid, BUN is a secondary kidney marker.
Your veterinarian may evaluate dietary protein intake and liver function.
Avian BUN: 4 mg/dL (Low)BUN represents a smaller fraction of nitrogen excretion in birds compared to mammals (uric acid is the primary end product). Normal levels are reassuring for kidney function.
No action needed.
Avian BUN: 15 mg/dLHigh BUN can indicate dehydration, kidney dysfunction, or a high-protein diet. It is less specific than uric acid for avian kidney disease but provides complementary information.
Ensure fresh water is always available. Your vet will evaluate uric acid and phosphorus levels together with BUN for a complete kidney assessment.
Avian BUN: 30 mg/dL (High)Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.