Table 2 The final statistical model based on data from 545 turkey grow-outs started during 2010–2016

Farm

Random effect

545

-

< 0.001

-

Season

January-March (reference)

137

1.00

-

-

April-June

127

0.60

0.124

0.31–1.15

July-September

140

0.41

0.007

0.21–0.79

October-December

141

0.61

0.117

0.33–1.13

Grow-out size^a

< 6000 (reference)

83

1.00

-

-

6000 or more

462

2.78

0.052

0.94–7.47

Feed mill

1 (reference)

291

1.00

-

-

2

163

1.32

0.456

0.63–2.77

3

43

3.03

0.049

1.00-9.17

4

27

0.78

0.734

0.19–3.23

5^b

21

1.43

0.600

0.37–5.51