One or more of the following: 1.0 mL serum or plasma in non-additive tube; 3.0 mL urine in urine transport tube; 5 grams fresh liver or 50 mg fresh liver biopsy (approx. 3 Tru-Cut samples) in leak-proof container; 500 grams feed in leak-proof container. For birds: 0.3 mL serum or plasma (in non-additive tube) is adequate. For ruminants and camelids: 5 grams fresh kidney (in leak-proof container) is required