| Antibiotico | Pool de E. coli aisladas de animales que consumieron S. cerevisiae Grupo de prueba n = 12 | Pool de E. coli aisladas de animales que no consumian S. cerevisiae Grupo control n = 4 | ||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 1 | 2 | 3 | 4 | |
| Polimixina | s | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
| Neomicina | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
| Gentamicina | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R | s |
| Tetraciclina | s | R | R | R | R | R | R | R | R | R | R | R | R | R | R | R |
| Cefotaxima | s | s | s | s | s | s | s | s | s | s | s | s | R | R | s | s |
| Enrofloxacina | R | R | R | R | s | s | R | R | R | R | R | R | R | R | R | R |
| Cloranphenicol | s | s | s | s | s | s | s | R | R | s | s | s | s | R | R | R |
| Trimetroprim sulfa | s | s | s | s | s | s | R | s | s | s | s | s | s | s | s | R |
| Colisistina | R | R | R | R | R | R | R | R | R | R | R | R | s | R | R | R |