Fig. 1
From: Risk factors for poor health and performance in European broiler production systems
Causal pathway with statistical significant associations in the multivariable models between several management, performance, housing and health variables in broiler farms. Full lines represent the result of a multivariable linear regression analysis based on data from 7 EU countries. The p-values correspond to the multivariable model. All models were corrected for the country effect by placing country as a fixed variable in the model