Table 2 Effects of supplementation with protein in different sites on voluntary intake in cattle fed tropical forage

DM

5.05

5.60

5.13

5.12

0.48

0.229

DMF

5.05

5.35

4.88

4.87

0.48

0.307

OM

4.72

5.25

4.81

4.80

0.45

0.226

CP

0.403^b

0.648^a

0.611^a

0.613^a

0.040

<0.001

NDFap

3.65

3.87

3.54

3.54

0.33

0.348

iNDF

1.93

2.05

1.87

1.84

0.19

0.222

DOM

2.22^b

2.60^a

2.31^b

2.40^ab

0.22

0.060

DNDF⁾

1.94

2.01

1.84

1.87

0.17

0.362

DM

20.4

22.4

20.8

20.7

1.2

0.263

OM

19.1

21.0

19.5

19.4

1.1

0.260

NDFap

14.8

15.5

14.3

14.3

0.8

0.337

iNDF

7.8

8.2

7.6

7.4

0.5

0.273