| Age of Bovine Animal | Abnormal Range No. of Lymphocytes per cubic millimetre | S.I. Units |
|---|---|---|
| Under 1 year | More than 11,000 | more than 11.0 |
| 1 year but under 2 years | More than 10,000 | more than 10.0 |
| 2 years but under 3 years | More than 8,500 | more than 8.5 |
| 3 years but under 4 years | More than 7,500 | more than 7.5 |
| 4 years but under 5 years | More than 6,500 | more than 6.5 |
| 5 years but under 6 years | More than 6,000 | more than 6.0 |
| 6 years and over | More than 5,500 | more than 5.5 |