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Table 3 Effects of prebiotics and probiotics on carcass characteristics

From: The efficacy of prebiotic supplementation in mitigating heat stress and improving the survival of antibiotic-free broilers’ production in hot climates

Parameter

Treatment (mean ± SD)

P value

T1

T2

T3

T4

T5

Dressing weight (kg/b)

1.70 ± 0.09

1.66 ± 0.34

1.65 ± 0.26

1.46 ± 0.10

1.39 ± 0.07

0.32

Dressing %

77.63 ± 0.59

78.71 ± 8.52

73.84 ± 5.19

71.27 ± 3.90

70.48 ± 1.67

0.24

Breast meat (g)

486.67a ± 12.58

415.00ab ± 83.22

396.67b ± 47.25

352.67b ± 16.62

361b ± 56.15

0.05*

Thigh meat (g)

223.33 ± 20.21

206 ± 46.13

195 ± 43.59

156.33 ± 45.17

154.33 ± 18.34

0.11

Heart wt. (g)

9.67 ± 0.58

7.67 ± 1.52

7.33 ± 2.51

9.00 ± 1.00

7.00 ± 1.00

0.20

Liver wt. (g)

47.33a ± 0.58

49.00ac ± 7.94

45.33bc ± 6.51

40.67abc ± 3.06

37.33bc ± 3.21

0.02*

Gizzard wt. (g)

51.33 ± 4.93

52.67 ± 7.51

46.00 ± 6.00

51.00 ± 2.65

43.33 ± 6.11

0.27

  1. *5% level (P ≤ 0.05)
  2. a,b,cMeans in the same row with different letters show significant differences