Table 3. Results of cows’ welfare assessment between groups

Parameters Points Groups Pearson’s chi-squared test
1 2
Total points
Facial expression:
 Nose 0 15 11 χ2 = 2.5962, df = 1, p > 0.05
1 0 4
 Eyes 0 13 14 χ2 = 0, df = 1, p = 1
1 2 1
 Ear position 0 15 15 χ2 = 0, df = 1, p = 1
1 0 0
 Head position 0 15 15 χ2 = 0, df = 1, p = 1
1 0 0
Back position 0 15 15 χ2 = 0, df = 1, p = 1
Group 1, control group; Group 2, experimental group.