| Rumen content | Entero bacteria | E. coli | Strepto cocus | Staphy lococus | Salmo nella | Shigella spp | Listéria spp | Aerobic mesophili | Lacto bacilli |
| Fresh | 800 | 300 | 100 | 800 | 50 | 300 | 20 | 500 | 300 |
| Dried | 00 | 00 | 00 | 150 | 00 | 00 | 00 | 200 | 200 |