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Table 10 Effects of dietary treatments and sex onfatty acid composition of LM (mg/g DM)

From: Effects of different dietary energy and protein levels and sex on growth performance, carcass characteristics and meat quality of F1 Angus × Chinese Xiangxi yellow cattle

Item

HE

LE

SEM

E

P

E × P

 

LP

HP

LP

HP

    

C14:0

6.70

5.45

4.56

5.88

1.31

ns

ns

ns

C14:1

1.97

2.12

1.71

2.26

0.36

ns

ns

ns

C16:0

61.68

51.55

47.46

55.03

9.28

ns

ns

ns

C16:1

13.86

10.40

9.18

10.72

1.96

ns

ns

ns

C18:0

22.92

19.72

17.06

21.42

3.66

ns

ns

ns

C18:1trans-9

2.14

1.26

1.35

1.24

0.37

ns

ns

ns

C18:1 cis-9

91.91

75.95

63.24

76.70

13.79

ns

ns

ns

C18:2 cis-9,12

4.27

4.61

3.32

3.22

0.80

ns

ns

ns

C18:3n-3

0.30

0.53

0.23

0.46

0.14

ns

ns

ns

C20:3n-6

2.75

2.22

2.00

2.95

0.24

ns

ns

**

SFA

91.30

76.72

69.08

82.33

14.11

ns

ns

ns

MUFA

109.9

89.72

75.48

90.93

16.19

ns

ns

ns

PUFA

7.16

7.08

5.39

6.38

0.85

ns

ns

ns

n-6:n-3

25.94

19.74

14.95

17.36

7.99

ns

ns

ns

P:S

0.11

0.14

0.09

0.11

0.03

ns

ns

ns

UFA:SFA

1.31

1.27

1.17

1.20

0.05

*

ns

ns

  1. Significance: *(P < 0.05), **(P < 0.01), ns not significant (P > 0.05).
  2. M = male, steer, F = female, heifer, E = energy, P = protein, S = sex.
  3. Sex had no effect on fatty acid composition of LM (P > 0.05).