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Table 2 Effects of db-cAMP on growth performance, carcass traits and meat quality in finishing pigs

From: Dibutyryl-cAMP affecting fat deposition of finishing pigs by decreasing the inflammatory system related to insulin sensitive or lipolysis

Variable

Experiment 1

Experiment 2

Controls

db cAMP

Controls

db cAMP

Final weight (kg)

72.24±2.46

73.64±1.77

105.93±2.06

105.11±1.72

Average daily feed intake (kg)

2.32±0.15

2.25±0.17

2.85±0.08

2.72±0.10

Average daily gain (kg)

0.73±0.05

0.74±0.04

0.79±0.03

0.76±0.04

F/G

3.35±0.03

3.04±0.14

3.69±0.16

3.60±0.12

Dressing percentage (%)

73.80±1.25

73.40±0.56

78.22±0.87

77.84±0.76

Longissimus muscle area (cm2)

34.10±2.82

35.40±1.12

55.45±3.59

61.35±4.64

Lean percentage (%)

62.02±1.51

64.73±0.58

61.75±0.75

63.80±0.85

Fat percentage (%)#

19.55±1.06

16.41±0.32*

23.34±1.14

20.52±1.19*

Backfat thickness (cm)

First rib#

3.70±0.19

2.89±0.32*

3.45±0.26

2.84±0.33

Tenth rib

1.67±0.11

1.33±0.16

1.89±0.21

1.56±0.33

Last rib

1.59±0.15

1.20±0.12

1.61±0.16

1.30±0.16

Average backfat thickness#

2.32±0.15

1.80±0.10**

2.31±0.09

1.90±0.08**

Drop loss (%) (24 h)

2.42±0.10

2.60±0.09

2.45±0.19

2.37±0.13

Intramuscular fat (%)

2.01±0.34

2.12±0.49

2.04±0.55

2.36±0.97

Shear force (48 h)

38.16±2.8

34.26±2.0

43.42±2.0

35.56±1.9

pH

45 min

6.38±0.13

6.41±0.07

6.28±0.14

6.52±0.05

 

24 h

5.31±0.04

5.43±0.04

5.23±0.02

5.39±0.03

L*

45 min

50.64±1.0

49.65±0.6

46.56±0.4

45.40±1.0

 

24 h

56.23±2.0

54.43±0.6

54.51±0.7

54.08±0.9

a*

45 min

16.83±0.6

14.94±0.3*

14.08±0.6

15.08±0.4

 

24 h

17.19±0.6

15.46±0.5*

16.48±0.5

17.12±0.5

b*

45 min

3.89±0.2

3.64±0.4

3.28±0.3

2.94±0.1

 

24 h

7.02±0.4

6.33±0.3

8.04±0.6

8.21±1.0

  1. Within stages, means with * differ (P < 0.05) and those with ** differ (P < 0.01)
  2. Within the same line, # means the effects of dbcAMP in experiment 1 is differ from experiment 2