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Table 5 Estimated least squares means for meat quality traits in relation to g.-995A>G and g.-311A>G SNP genotypes in purebred Large White and Duroc animals

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

Trait

Large white

Duroc

 

g.-995A>G Promoter region

g.-311A>G Promoter region

g.-995A>G Promoter region

g.-311A > G Promoter region

 

p-value

AA

AG

GG

p-value

AA

AG

GG

p-value

AA

AG

GG

p-value

AA

AG

GG

Glycolytic Traits

 

n = 55

n = 37

n = 6

 

n = 56

n = 37

n = 5

 

n = 20

n = 54

n = 22

 

n = 45

n = 47

n = 5

Driploss%

0.002

2.41 (0.19)

3.22 (0.18)

3.68 (0.44)

0.009

2.46 (0.16)

3.22 (0.18)

3.46 (0.51)

0.204

2.08 (0.27)

2.46 (0.15)

2.77 (0.23)

0.181

2.38 (0.16)

2.37 (0.15)

3.29 (0.47)

pHULT

0.0003

5.67 (0.01)

5.59 (0.02)

5.52 (0.04)

0.0002

5.67 (0.01)

5.60 (0.02)

5.43 (0.05)

0.345

5.67 (0.02)

5.63 (0.01)

5.63 (0.02)

0.172

5.65 (0.01)

5.64 (0.01)

5.56 (0.04)

pHUSM

0.637

5.55 (0.01)

5.55 (0.02)

5.51 (0.04)

0.639

5.55 (0.01)

5.54 (0.02)

5.50 (0.05)

0.684

5.55 (0.02)

5.53 (0.01)

5.54 (0.02)

0.710

5.53 (0.04)

5.53 (0.01)

5.51 (0.04)

pH45LT

0.038

6.60 (0.03)

6.51 (0.03)

6.51 (0.08)

0.056

6.67 (0.03)

6.56 (0.03)

6.60 (0.10)

0.767

6.58 (0.05)

6.55 (0.03)

6.59 (0.05)

0.827

6.55 (0.03)

6.57 (0.03)

6.51 (0.09)

pH45SM

0.139

6.6 (0.03)

6.62 (0.03)

6.51 (0.03)

0.118

6.60 (0.03)

6.50 (0.03)

6.60 (0.09)

0.684

6.57 (0.05)

6.47 (0.03)

6.51 (0.05)

0.811

6.51 (0.03)

6.51 (0.03)

6.45 (0.09)

ECULT

0.029

2.93 (0.10)

3.34 (0.12)

3.47 (0.30)

0.109

2.97 (0.10)

3.27 (0.11)

3.55 (0.34)

0.130

3.20 (0.20)

3.38 (0.11)

2.93 (0.19)

0.890

3.23 (0.12)

3.25 (0.12)

3.06 (0.38)

ECUSM

0.069

3.73 (0.17)

4.17 (0.20)

4.87 (0.50)

0.200

3.70 (0.17)

4.20 (0.20)

4.10 (0.57)

0.310

3.90 (0.17)

3.83 (0.10)

4.13 (0.16)

0.454

4.04 (0.10)

3.85 (0.10)

3.97 (0.32)

Colour

L *

0.064

45.62 (0.47)

47.44 (0.55)

47.28 (1.40)

0.077

45.65 (0.47)

47.31 (0.55)

47.88 (1.55)

0.785

45.83 (0.68)

46.20 (0.39)

46.51 (0.64)

0.997

46.09 (0.41)

46.13 (0.41)

46.16 (1.27)

b *

0.052

3.27 (0.22)

4.02 (0.25)

4.52 (0.64)

0.023

3.26 (0.21)

3.99 (0.25)

5.05 (0.70)

0.706

3.30 (0.32)

3.49 (0.18)

3.69 (0.30)

0.502

3.42 (0.19)

3.44 (0.19)

4.15 (0.59)

Fatty Acids

IMF% LT

0.467

0.95 (0.07)

1.04 (0.08)

1.19 (0.20)

0.343

0.94 (0.07)

1.05 (0.08)

1.25 (0.22)

0.918

1.86 (0.15)

1.79 (0.08)

1.82 (0.14)

0.538

1.84 (0.09)

1.83 (0.09)

1.53 (0.27)

IMF% SM

0.536

1.15 (0.06)

1.24 (0.07)

1.27 (0.17)

0.334

1.13 (0.06)

1.25 (0.07)

1.36 (0.19)

0.689

2.23 (0.17)

2.09 (0.10)

2.21 (0.16)

0.869

2.14 (0.10)

2.18 (0.10)

2.02 (0.32)

  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.
  3. IMF Intramuscular Fat, LT M. Longissimus thoracis et lumborum muscle, SM M. semimembranosus muscle, n number of genotypes.