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Table 5 Intake according to amount of supplement fed to cows in the last third of gestation

From: Energetic-protein supplementation in the last 60 days of gestation improves performance of beef cows grazing tropical pastures

Itema

Treatmentb

SEM

P-valuec

3.0 kg

1.5 kg

1.0 kg

0.0 kg

L

Q

C

Intake per day, kg/d

 Forage DM

5.56

5.69

6.00

5.61

0.72

0.96

0.73

0.86

 DM

8.03

6.92

6.82

5.61

0.72

0.05

0.94

0.15

 DM digested

4.00

2.97

2.76

2.08

0.45

0.01

0.67

0.08

 Forage OM

5.11

5.26

5.55

5.22

0.65

0.90

0.72

0.89

 OM

7.51

6.46

6.35

5.22

0.65

0.05

0.95

0.15

 OM digested

4.03

3.01

2.83

2.13

0.41

0.01

0.68

0.06

 Forage apNDF

3.70

3.89

4.11

3.85

0.48

0.83

0.66

0.94

 apNDF

4.11

4.09

4.25

3.85

0.48

0.72

0.71

0.68

 iNDF

1.56

1.69

1.71

1.60

0.19

0.88

0.53

0.95

 CP, g/d

882

613

556

359

58.8

<0.01

0.48

<0.01

Intake per kg BW, g/kg BW

 Forage DM

9.95

9.78

10.15

9.58

1.22

0.84

0.88

0.77

 DM

14.35

11.92

11.53

9.58

1.23

0.03

0.85

0.12

 DM digested

7.16

5.09

4.68

3.55

0.77

0.01

0.54

0.07

 Forage OM

9.14

9.05

9.39

8.92

1.12

0.89

0.87

0.81

 OM

13.42

11.13

10.74

8.92

1.13

0.03

0.84

0.12

 OM digested

5.06

4.74

4.75

6.25

0.95

0.24

0.20

0.39

 Forage apNDF

6.64

6.70

6.94

6.59

0.84

0.97

0.81

0.87

 apNDF

7.36

7.05

7.17

6.59

0.84

0.54

0.88

0.61

 iNDF

2.81

2.93

2.87

2.74

0.33

0.89

0.70

0.99

  1. aDM – dry matter; OM – organic matter; apNDF – neutral detergent fiber corrected for ash and protein residue; iNDF – indigestible neutral detergent fiber; CP – crude protein
  2. bTreatments: 3.0 kg – cows received 3.0 kg of concentrate daily; 1.5 kg – cows received 1.5 kg of concentrate daily; 1.0 kg – cows received 1.0 kg of concentrate daily; and 0.0 kg – no concentrate supplement was fed
  3. cL, Q and C – effects of linear, quadratic and cubic order of level of supplementation