Table 8 Sensory evaluation of aged longissimus dorsi muscle 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

 

7 days of aging

14 days of aging

Tenderness*

Juiciness

Flavor

Satisfaction

Ranking

Tenderness*

Juiciness

Flavor

Satisfaction

Ranking

FGC

CSFA-

63.6

69.2

66.0

67.9

2.5

70.5

68.5

68.8

69.1

2.6

CSFA+

63.6

66.3

67.0

67.5

26

69.1

66.4

68.9

70.4

2.6

HMC

CSFA-

61.2

65.9

66.5

69.5

2.5

69.1

66.7

67.8

69.6

2.6

CSFA+

64.9

63.9

66.0

68.2

2.5

70.8

67.7

69.8

70.2

2.6

HMC

CSFA + ZnCr

65.2

66.3

68.2

68.0

2.6

72.4

68.5

69.5

72.6

2.7

P -Value

SEM1

1.56

1.57

1.39

1.73

0.06

1.90

2.17

2.14

2.19

0.09

Corn

0.73

0.09

0.87

0.94

0.51

0.95

0.90

0.99

0.96

0.83

CSFA

0.27

0.21

0.85

0.92

0.74

0.94

0.81

0.62

0.87

0.64

Corn*CSFA

0.29

0.86

0.58

0.39

0.25

0.50

0.47

0.67

0.67

0.74

ZnCr

0.86

0.30

0.28

0.94

0.05

0.54

0.79

0.92

0.43

0.82

  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. 5.
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