CMT score Interpretation Visible reaction Total cell count
0 Negative Milk fluid is normal 0-200,000 (0-25% neutrophils)
T Trace Slight precipitation (1.5-5) x 105 (30-40% neutrophils)
1 Weak positive Distinct preeipitation but not gel formation (4-15) x 105 (40-60% neutrophils)
2 Distinct positive Mixture thickens with gel formation (8-50) x 105 (60-70% neutrophils)
3 Strong positive Strong gel that is cohesive with a conex surface ≥ 5,000,000 (70-80% neutrophils)
Table 4: Interpretation for California mastitis test [13].