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Table 2 Least squares means and standard errors of marbling, backfat thickness, loineye area, and carcass weight traits according to the genotypes of APM1 genes in Hanwoo

From: Confirmation of genotypic effects for the bovine APM1 gene on marbling in Hanwoo cattle

Trait

g.81966377T > C

  

P

Effect

 
 

CC (N = 3943)

CT (N = 3610)

TT (N =825)

 

Additive

Dominance

MAR (1-9)

4.992 ± 0.03a

4.942 ± 0.03b

4.693 ± 0.04c

<0.0001

0.298 ± 0.06***

0.198 ± 0.08

BFT (mm)

11.43 ± 0.13c

12.335 ± 0.08b

12.558 ± 0.10a

<0.0001

1.127 ± 0.16***

0.681 ± 0.23

LEA (cm2)

85.512 ± 0.28b

86.325 ± 0.22a

86.563 ± 0.18a

0.0083

0.812 ± 0.36*

1.287 ± 0.51

CAW (kg)

390.646 ± 1.38c

392.985 ± 0.87b

393.322 ± 1.22a

0.2677

2.675 ± 1.75

2.002 ± 2.48

Trait

g.81966364D > I

  

P

Effect

 
 

D/D (N = 6336)

D/I (N = 1790)

I/I (N = 252)

 

Additive

Dominance

MAR (1-9)

4.544 ± 0.02a

4.82 ± 0.5b

4.885 ± 0.13b

<.0001

−0.341 ± 0.14**

0.174 ± 0.14

BFT (mm)

11.815 ± 0.07

11.992 ± 0.13

12.409 ± 0.37

0.179

−0.594 ± 0.37

−0.241 ± 0.46

LEA (cm2)

84.388 ± 0.15

84.729 ± 0.29

85.518 ± 0.8

0.259

−1.129 ± 0.81

−0.448 ± 1.01

CAW (kg)

377.349 ± 0.67

377.537 ± 1.27

377.809 ± 3.43

0.984

−0.46 ± 3.5

−0.085 ± 4.32

  1. The carcass traits of Hanwoo cattle were based on a grading system (http://www.ekape.or.kr/view/eng/system/beef.asp) from KAPE (Korean Animal Products Evaluation)
  2. MAR marbling score, BFT backfat thickness, LEA loineye area, CAW carcass weight
  3. *P < 0.05, **P < 0.01, and ***P < 0.001
  4. a,b and c Different letters denote statistically significant differences between genotypes