Table 3.
Tulathromycin MICs (mg/L) for S. suis ATCC 43765 in MHB and 25, 50, 75, and 100% porcine serum.a,b
Matrix | MHB | Serum percentage in MHBc |
Serum | ||
---|---|---|---|---|---|
25% | 50% | 75% | |||
Geometric mean | 1.00 | 0.31 | 0.08 | 0.04 | 0.03 |
SD | 0.00 | 0.12 | 0.03 | 0.01 | 0.02 |
aThe MIC values are the geometric mean of three independent replicates. bS. suis ATCC 43765 is an reference strain of capsular serotype 2. cSignificantly different from MIC determined in MHB (P < 0.01).