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Table 2 Least square means (±SE) for carcass traits and intramuscular fat content by diet and SCD rs80912566 genotype. Number of pigs per factor is indicated in parenthesis

From: Transcriptome shifts triggered by vitamin A and SCD genotype interaction in Duroc pigs

 

Diet2

SCD rs80912566 genotype

P-value

Trait1

VA-

(54)

VA+

(55)

TT

(38)

TC

(44)

CC

(27)

Diet

SCD

Diet×SCD

Carcass weight, kg

98.97 ± 1.40b

95.17 ± 1.33a

97.84 ± 1.51

96.68 ± 1.35

96.69 ± 1.81

0.03

n.s.

n.s.

BFT, mm

34.75 ± 1.07

34.81 ± 1.02

37.18 ± 1.15a

34.31 ± 1.03ab

32.85 ± 1.38b

n.s.

0.03

n.s.

Loin depth, mm

41.28 ± 1.27

40.13 ± 1.21

37.96 ± 1.37a

40.98 ± 1.22ab

43.17 ± 1.64b

n.s.

0.03

n.s.

Lean content, %

35.83 ± 1.19

35.45 ± 1.13

32.63 ± 1.28b

36.18 ± 1.14ab

38.09 ± 1.54a

n.s.

0.01

n.s.

IMF (GM), %

6.27 ± 0.27

6.80 ± 0.26

6.63 ± 0.29

6.42 ± 0.26

6.26 ± 0.35

n.s.

n.s.

n.s.

IMF (LT), %

4.44 ± 0.21

4.41 ± 0.19

4.63 ± 0.22

4.40 ± 0.19

4.24 ± 0.26

n.s.

n.s.

n.s.

IMF (SM), %

3.24 ± 0.41

3.22 ± 0.43

2.78 ± 0.48

3.36 ± 0.39

3.55 ± 0.42

n.s.

n.s.

n.s.

  1. 1BFT Backfat thickness, IMF intramuscular fat content, expressed on a wet weight basis, GM m. gluteus medius, LT m. longissimus thoracis, SM m. semimembranosus. Within each row and factor, means with different superscripts differ significantly (P < 0.05). n.s. – not significant (P > 0.05)
  2. 2Diets with (VA+) and without (VA-) vitamin A supplement in the feed formulation