Table 1. Number of isolates from the feces of weaning piglet and sow in three different solid media
| Medium | Isolates | Identified isolates | Unidentified isolates | Ratio of unidentified Isolates (%) |
| Piglet feces | Sow feces | Piglet feces | Sow feces | Piglet feces | Sow feces | Piglet feces | Sow feces |
| BHI-CM | 63 | 76 | 36 (9 species) | 62 (11 species) | 27 | 14 | 42.9 | 18.4 |
| MRS-C | 35 | 35 | 22 (5 species) | 30 (4 species) | 13 | 5 | 37.1 | 14.3 |
| BL-NPNL | 35 | 35 | 25 (1 species) | 33 (2 species) | 10 | 3 | 28.6 | 8.6 |
| Total | 279 | 207 (20 species) | 72 | 25.8 |
BHI-CM, brain heart infusion containing cysteine and mucin; MRS-C, adjusted-pH de Man Rogosa Sharpe medium containing cysteine; BL-NPNL, blood liver containing nalidixin acid, paromomycin, neomycin, and litium chloride.