Skip to main content

Table 7 Associations obtained between the Actinobacillus pleuropneumoniae, Mycoplasma hyopneumoniae and influenza seropositivities in the sampled herds from Goiás, Brazil, when using Spearman’s coefficient test at *p < 0.05

From: Cross-sectional study of seropositivity, lung lesions and associated risk factors of the main pathogens of Porcine Respiratory Diseases Complex (PRDC) in Goiás, Brazil

Dependent variable

Independent variable

Coefficient

p

Average pulmonary lesion area

M. hyopneumoniae seropositivity at slaughter

0.38

0.035

Pneumonia index (PI)

M. hyopneumoniae seropositivity at slaughter

0.37

0.041

ApxIV seropositivity in growing animals

Well conserved barn curtains

−0.48

0.007

ApxIV herd level seropositivity

Performing “all-in/all-out” in the maternity facilities

−0.39

0.031

M. hyopneumoniae seropositivity in growing animals

Protocol for cleaning and disinfecting in growing/finishing phases

−0.39

0.034

M. hyopneumoniae seropositivity in growing animals

Performing “all-in/all-out” in the growing and finishing facilities

−0.46

0.011

M. hyopneumoniae seropositivity at slaughter

Other swine herds nearby

0.40

0.028

SIV seropositivity in growing animals

Other swine herds nearby

0.42

0.020