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Table 4 Estimated least squares means for meat quality traits in relation to I199V locus in 3 purebred Large White and Duroc and Pietrain animals

From: SNP variation in the promoter of the PRKAG3gene and association with meat quality traits in pig

Trait

Large white

Duroc

Pietrain

 

p-value

II

IV

VV

p-value

II

IV

VV

p-value

II

IV

VV

Glycolytic traits

 

n = 6

n = 41

n = 51

 

n = 4

n = 30

n = 64

 

n = 30

n = 45

n = 21

Driploss%

0.016

1.66 (0.49)

2.66 (0.18)

3.09 (0.15)

0.039

1.21 (0.54)

2.26 (0.20)

2.58 (0.13)

0.016

2.46 (0.2)

2.90 (0.19)

3.57 (0.30)

pHULT

0.656

5.67 (0.05)

5.63 (0.01)

5.63 (0.02)

0.164

5.67 (0.07)

5.66 (0.02)

5.63 (0.01)

0.459

5.66 (0.02)

5.65 (0.02)

5.61 (0.03)

pHUSM

0.591

5.57 (0.04)

5.55 (0.02)

5.53 (0.01)

0.015

5.65 (0.04)

5.54 (0.02)

5.53 (0.01)

0.165

5.58 (0.02)

5.55 (0.06)

5.52 (0.02)

pH45LT

0.216

6.68 (0.03)

6.56 (0.03)

6.60 (0.10)

0.491

6.44 (0.11)

6.56 (0.04)

6.57 (0.03)

0.053

6.52 (0.02)

6.60 (0.02)

6.51 (0.04)

pH45SM

0.420

6.60 (0.03)

6.50 (0.03)

6.55 (0.09)

0.717

5.67 (0.05)

5.67 (0.02)

5.63 (0.01)

0.333

6.41 (0.04)

6.45 (0.04)

6.34 (0.06)

ECULT

0.605

2.81 (0.32)

3.10 (0.12)

3.15 (0.10)

0.096

2.60 (0.44)

3.47 (0.16)

3.13 (0.10)

0.072

3.28 (0.12)

3.12 (0.10)

3.60 (0.16)

ECUSM

0.212

4.75 (0.53)

3.78 (0.20)

4.05 (0.17)

0.745

4.19 (0.41)

3.89 (0.15)

4.00 (0.10)

0.019

4.08 (0.25)

4.23 (0.20)

5.23 (0.32)

Colour

L*

0.842

47.10 (1.49)

46.20 (0.57)

46.54 (0.48)

0.300

44.25 (1.49)

45.72 (0.53)

46.38 (0.35)

0.0004

45.90 (0.65)

47.40 (0.53)

46.00 (0.85)

b *

0.978

3.57 (0.68)

3.70 (0.26)

3.64 (0.22)

0.123

2.94 (0.69)

3.07 (0.24)

3.69 (0.16)

0.167

3.81 (0.19)

2.80 (0.25)

3.68 (0.25)

Fatty Acids

IMF% LT

0.035

1.48 (0.20)

1.04 (0.08)

0.93 (0.07)

0.086

1.87 (0.31)

2.03 (0.11)

1.71 (0.07)

0.002

1.43 (0.07)

1.20 (0.06)

1.01 (0.09)

IMF% SM

0.316

1.13 (0.06)

1.25 (0.07)

1.36 (0.19)

0.858

2.14 (0.38)

2.22 (0.14)

2.12 (0.09)

0.356

1.56 (0.08)

1.46 (0.07)

1.37 (0.10)

  1. P-values significantly different at the nominal level are in bold. Associations significant at the Bonferroni-adjusted alpha are underlined.
  2. Bonferroni-adjusted alpha levels were as follows for single SNP association analysis: Large White =0.0083, Duroc =0.0083, Pietrain =0.0089.
  3. IMF Intramuscular Fat, LT M. Longissimus thoracis et lumborum muscle, SM M. semimembranosus muscle, n number of genotypes.