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Table 3 Percentage of farms (n = 56) depending on co-occurrence of pathogens influenza A virus (IAV), porcine respiratory and reproductive syndrome virus (PRRSv) and Mycoplasma hyopneumoniae (Mhyo)a

From: A cross-sectional survey on respiratory disease in a cohort of Irish pig farms

IAv PRRSv Mhyo Number of pathogens Percentage (number) of farms
- - - 0 12.5 (7)
+ - - 1 10.7 (6)
- + - 1 1.8 (1)
- - + 1 5.4 (3)
+ + - 2 3.6 (2)
- + + 2 1.8 (1)
+ - + 2 21.4 (12)
+ + + 3 42.9 (24)
  1. aFarm positive (+) or negative (-) to the pathogen by serology