Table 7 Fatty acid profile of subcutaneous fat from feedlot Nellore bulls fed high-energy diets with different corn processing methods, calcium salts of fatty acids, and zinc and chromium supplementation.

From: Nutritional protocols for improving meat quality of feedlot Nellore bulls differing in marbling estimated progeny

Treatments

FGC

HMC

HMC

SEM1

P-Value

CSFA-

CSFA+

CSFA-

CSFA+

CSFA + ZnCr

Corn

CSFA

Corn*CSFA

ZnCr

SFA

43.6

43.3

42.9

45.1

42.8

0.60

0.27

0.08

0.03

0.01

C12:0

0.08

0.09

0.09

0.09

0.09

0.01

0.27

0.01

0.38

0.46

C14:0

3.6

3.5

3.6

3.8

3.3

0.15

0.26

0.78

0.59

0.03

C16:0*

24.1

23.9

23.8

24.7

21.9

0.52

0.40

0.33

0.12

0.14

C18:0

11.6

12.1

10.9

12.5

10.9

0.62

0.68

0.02

0.26

0.02

UFA

56.8

57.3

57.6

55.3

57.6

0.66

0.28

0.13

0.01

0.01

MUFA

53.9

53.7

54.7

52.0

54.7

0.60

0.30

0.01

0.01

< 0.01

C14:1

1.3

1.3

1.4

1.2

1.2

0.09

0.75

0.03

0.22

0.41

C16:1

3.7

3.7

4.0

3.5

3.6

0.16

0.70

0.09

0.18

0.76

C18:1*

43.7

42.9

43.3

39.5

39.4

0.98

< 0.01

< 0.01

0.01

0.96

PUFA

1.9

2.5

1.8

2.5

2.0

0.11

0.91

< 0.01

0.62

0.13

C18:3 n-3

0.09

0.08

0.09

0.08

0.10

0.01

0.75

0.03

0.60

0.12

C18:2 cis-9

1.2

1.6

1.1

1.5

1.2

0.07

0.32

< 0.01

0.41

0.09

C20:4 n-6

0.01

0.01

0.01

0.10

0.01

0.02

0.30

0.26

0.29

0.29

UFA: SFA

1.3

1.3

1.3

1.3

1.4

0.03

0.39

0.18

0.04

0.01

MUFA: SFA

1.2

1.3

1.3

1.2

1.3

0.03

0.38

0.05

0.03

< 0.01

PUFA: SFA

0.04

0.06

0.04

0.06

0.05

0.01

0.97

0.01

0.76

0.25

Omega 3

0.10

0.09

0.09

0.12

0.11

0.01

0.46

0.48

0.24

0.93

Omega 6

1.3

1.6

1.1

1.6

1.2

0.07

0.33

< 0.01

0.39

0.08

Omega 6/3

14.1

18.5

12.5

15.4

12.6

0.74

< 0.01

< 0.01

0.21

0.03

Δ−9/Delta-16 des.

13.3

13.3

14.3

12.5

18.3

1.14

0.84

0.03

0.04

0.17

Δ−9/Delta-18 des.

79.0

77.9

79.9

76.0

74.0

2.03

0.51

0.01

0.09

0.68

  1. Abbreviations: FGC: Finely-ground corn; HMC: High-moisture corn; CSFA -: Absence of calcium salts of fatty acids; CSFA+: Inclusion of calcium salts of fatty acids; Corn*CSFA: interaction between corn processing × inclusion of calcium salts of fatty acids; ZnCr: Inclusion of organic zinc and chromium.
  2. 1Standard error of the mean.
  3. Values within a row with different superscripts differ significantly at P < 0.05.
  4. *Interaction between treatments × EPD shown on Fig. 4.
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