Parameters

Positive

Negative

Total

P value (χ² test)*

Supply source

Slaughterhouse

14 (66.67%)

7 (33.33%)

21

0.867

Farm

4 (19.05%)

17 (80.95%)

21

Traditional butchery

14 (33.33%)

28 (66.67%)

42

Modern butchery

4 (19.05%)

17 (80.95%)

21

Storage condition

Freezer

21 (33.33%)

42 (66.67%)

63

0.089

Cold room

21 (50%)

21 (50%)

42

Transport condition

Cooler

11 (31.43%)

24 (68.57%)

35

0.026*

Simple bag

10 (23.81%)

32 (76.19%)

42

Refrigerated car

14 (50%)

14 (50%)

28