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Table 7 Effect of dietary increasing SID-Lys:ME ratio on carcass characteristics of finishing pigs (Experiment 6)

From: Effects of the standardized ileal digestible lysine to metabolizable energy ratio on performance and carcass characteristics of growing-finishing pigs

 

SID-Lys:ME ratio, g/Mcal

SEM

P value

 

1.8

2.0

2.2

2.4

2.6

 

ANOVA

Linear

Quadratic

Dressing percentage, %

73.04

73.25

74.25

74.99

75.33

1.62

0.81

0.18

0.42

10th-rib back fat thickness, mm

21.00a

21.67a

20.00a

19.67a

17.17b

0.82

0.01

0.02

0.03

Loin area, cm2

40.55a

40.87a

41.84ab

41.29a

43.34b

0.63

0.04

0.09

0.22

pH45 min

6.63

6.31

6.15

6.64

6.65

0.26

0.53

0.65

0.35

pH24 h

5.35

5.54

5.45

5.39

5.53

0.22

0.96

0.72

0.94

L* (Lightness)

42.81

43.09

42.01

44.5

43.05

1.71

0.89

0.73

0.94

a* (Redness)

13.48

12.97

14.7

13.35

13.89

0.75

0.56

0.58

0.80

b* (Yellowness)

5.77

5.26

6.04

6.23

6.11

0.52

0.70

0.29

0.58

  1. a, bMeans in the same row with different superscripts are significantly different (P < 0.05).
  2. 1Value represent means of six pens with one pig per pen.