Table 1 Pig batches included in the study with reported respiratory problems in previous batches
From: The use of oral fluids to monitor key pathogens in porcine respiratory disease complex
Source (expected severity of respiratory problems) | A (low) | B (medium) | C (high) |
|---|---|---|---|
Expected problems based on historical records. | Source negative for PRRSV and M. hyo. Occasional problems with SIV. | Source positive for PRRSV but negative for M. hyo. Previous batches presented SIV and Streptococcus suis disease. | Source positive for PRRSV and M. hyo. Previous batches presented respiratory and Streptococcus suis disease. |