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Table 3 Effect of caudectomy, season and distance from farm to abattoir on lesions and lesion score index on tail and body of the carcass of heavy pigs

From: Evaluation of carcass quality, body and pulmonary lesions detected at the abattoir in heavy pigs subjected or not to tail docking

Item

Tail

SE

Season

SE

P value

Docked

Undocked

Warm

Cold

Tail

Season

Km abattoir

N batches*

143

28

 

89

82

    

Lesions ears 0, %

89.80

93.70

1.47

87.60

95.90

1.39

0.080

< 0.001

0.017

Lesions ears 1, %

6.34

4.75

1.23

8.89

2.20

1.16

0.395

< 0.001

0.059

Lesions ears 2, %3

3.85

1.53

0.63

3.47

1.91

0.59

0.015

0.028

0.053

LSI ears1,2

14.04

7.81

1.90

15.83

6.01

1.80

0.031

< 0.001

0.012

Lesions forequarter 0, %

80.60

87.90

1.59

79.90

88.70

1.50

0.003

< 0.001

0.857

Lesions forequarter 1, %

11.21

8.31

0.94

12.71

6.81

0.89

0.043

< 0.001

0.172

Lesions forequarter 2, %4

8.17

3.75

0.99

7.43

4.49

0.94

0.003

0.009

0.322

LSI forequarter1,2

27.60

15.80

2.48

27.60

15.80

2.34

0.002

< 0.001

0.782

Lesions trunk 0, %

81.90

85.20

1.34

78.50

88.70

1.27

0.106

< 0.001

0.043

Lesions trunk 1, %

12.00

10.50

0.96

14.56

7.89

0.91

0.292

< 0.001

0.003

Lesions trunk 2, %

5.83

4.40

0.74

6.68

3.56

0.70

0.205

< 0.001

0.755

LSI trunk1,2

23.70

19.30

1.98

27.90

15.00

1.87

0.145

< 0.001

0.226

Lesions hindquarter 0, %

92.50

94.10

0.78

90.60

96.00

0.73

0.193

< 0.001

0.044

Lesions hindquarter 1, %

5.40

4.74

0.62

7.01

3.13

0.58

0.477

< 0.001

0.029

Lesions hindquarter 2, %

2.07

1.27

0.35

2.45

0.89

0.33

0.132

< 0.001

0.562

LSI hindquarter1,2

9.55

7.28

1.04

11.90

4.92

0.98

0.150

< 0.001

0.092

Lesions limbs 0, %

98.94

98.46

0.24

98.28

99.12

0.22

0.189

0.002

0.002

Lesions limbs 1, %

0.77

1.16

0.22

1.40

0.53

0.21

0.262

< 0.001

0.119

Lesions limbs 2, %

0.28

0.38

0.09

0.30

0.36

0.08

0.420

0.484

< 0.001

LSI limbs

1.33

1.92

0.28

1.99

1.26

0.26

0.162

0.020

< 0.001

Lesions tail 0, %

70.33

6.64

2.15

34.10

42.90

1.62

< 0.001

< 0.001

0.379

Lesions tail 1, %

23.00

26.60

1.91

27.10

22.50

1.80

0.223

0.032

0.220

Lesions tail 2, %

7.17

66.61

1.92

39.60

34.20

1.82

< 0.001

0.013

0.043

LSI tail1,2

37.40

159.80

3.75

106.30

90.90

3.54

< 0.001

< 0.001

0.147

  1. *The number of animals per batch was around 100
  2. 1LSI: lesion score index
  3. 2Values are calculated on a range from 0 to 200 considering the prevalence and severity of lesions, where 0 is absence and 200 of all carcasses in the batch show severe lesions
  4. 3The interaction between tail and season was significant (P = 0.034). The interaction between docked tail and warm season shows higher percentage of lesions than intact tail and warm season (P = 0.008). The interaction between docked tail and warm season shows higher percentage of lesions than docked tail and cold season (P = 0.025)
  5. 4The interaction between tail and season was significative (P = 0.023). The interaction between docked tail and warm season shows higher percentage of lesions than intact tail and warm season (P = 0.001). The interaction between docked tail and warm season shows higher percentage of lesions than docked tail and cold season (P = 0.006)