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Table 1 Mean phenotypic values for growth, fatness, carcass and intramuscular fat traits of the two groups of pig females analysed, fed ad libitum (AL group) and fed a restricted diet (RE group), plus the significance of dietary treatment effect in a one way ANOVA

From: Role of AMPK signalling pathway during compensatory growth in pigs

 

AL

RE

P-valuea

GROWTH from 70 to 125 d of age (restriction period)

 Average daily gain (kg)

0.88

0.55

<.0001 ***

 Daily feed intake (kg)

2.05

1.26

<.0001 ***

 Food conversion ratio (kg intake / kg gain)

2.33

2.27

0.2863 n.s.

 Back fat gain from 85 to 125 d (mm)

5.25

2.75

<.0001 ***

GROWTH from 126 to 155 d of age (re-feeding period)

 Average daily gain (kg)

0.97

1.14

0.0046 **

 Daily feed intake (kg)

2.84

2.88

0.8060 n.s.

 Food conversion ratio (kg intake / kg gain)

2.93

2.53

0.0005 ***

 Back fat gain (mm)

5.00

6.21

0.0569 +

CARCASS TRAITS (~ 161 d of age)

 Live weight before slaughter (kg)

101.10

89.10

<.0001 ***

 Killing out (%)

80.03

79.03

0.0640 +

 Chilling losses (%)

3.01

3.59

0.0015 **

 Back fat thickness between 3rd and 4th ribs (Fat-O-Meater II) (mm)

25.52

22.28

0.0243 *

 Loin thickness between 3rd and 4th ribs (Fat-O-Meater II) (mm)

44.13

40.30

0.0239 *

 Lean meat percentage (FOM 2)

50.16

52.33

0.0851 +

INTRAMUSCULAR FAT TRAITS (gluteus medius)

 Intramuscular fat content (%)

3.733

3.120

0.0542 +

 Cholesterol content (dg/kg)

58.082

58.193

0.9695 n.s.

 Myristic acid (C14:0) content (%)

1.348

1.291

0.3641 n.s.

 Palmitic acid (C16:0) content (%)

23.844

23.326

0.1258 n.s.

 Palmitoleic acid (C16:1n7) content (%)

3.003

2.662

0.0164 *

 Stearic acid (C18:0) content (%)

13.713

13.926

0.6280 n.s.

 Oleic acid (C18:1n9) content (%)

40.100

38.454

0.0806 +

 Cis-vaccenic acid (C18:1n7) content (%)

3.960

3.853

0.1893 n.s.

 Linoleic acid (C18:2n6) content (%)

8.531

10.185

0.0110 *

 Arachidonic acid (C20:4n6) content (%)

1.440

1.874

0.0630 +

 Saturated Fatty Acids content (SFA) (%)

39.403

38.991

0.5857 n.s.

 Monounsaturated fatty acids content (MUFA) (%)

49.249

47.156

0.0529 +

 Polyunsaturated fatty acids content (PUFA) (%)

11.347

13.818

0.0149 *

 Ratio PUFA/SFA

0.288

0.356

0.0158 *

 Omega 6 (ω6) content

8.851

10.832

0.0089 **

 Omega 3 (ω3) content

0.933

1.270

0.1762 n.s.

 Ratio ω6/ ω3

9.935

9.816

0.9016 n.s.

 Sum of trans FA

0.804

0.799

0.9678 n.s.

  1. aSignificant: *** p < 0.0001; ** p < 0.01; * p < 0.05; Suggestive: + p < 0.1; n.s.: non-significant