CAV

IBDV

ARV

AEV

How often birds get sick (p; r)

0.0048;

0.6178

0.3637;

−0.2208

0.088;

0.401

0.4398;

01884

Characteristic of the farm (p; r)

0.5863

−0.1333

0.2764

−0.2631

0.9378

−00.192

0.8376

−0.05042

Multispecies (p; r)

0.2682

−0.2675

0.2964

−0.2528

0.3084

0.2468

0.6268

0.1192

Cleaning and Desinfection** (p; r)

0.6324

−0.1706

0.7908

0.06522

0.1731

−0.326

0.4851

0.0652

Untreated water (p; r)

0.4568

−0.184

0.2681

−0.2676

0.0131

0.5576

0.5530

0.1452