bovine

One or more of the following: 

• 1 mL serum or plasma
• 5 g fresh liver
• 50 mg fresh liver biopsy (at least 3 Tru-Cut samples, no fluid added)
• 500 g feed

For birds, 0.3 mL serum or plasma is adequate.

One or more of the following: 

• 1 mL serum or plasma
• 5 g fresh liver
• 50 mg fresh liver biopsy (at least 3 Tru-Cut samples, no fluid added)
• 3 mL urine
• 500 g feed

For birds, 0.3 mL serum or plasma is adequate. 

For ruminants and camelids, 5 g fresh kidney is required.