Table 3 Specific energy consumption at different feed pellets sizes, air flow rates and rotational speeds of screw.

1

10

13.6

12.57

12.19

11.37

10.52

12.05^c

15

9.34

9.01

9.14

8.98

7.59

8.81^b

20

6.68

5.97

6.09

5.61

5.27

5.92^a

Mean

9.87^bc

9.18^b

9.14^b

8.65^b

7.79^b

2

10

12.60

11.46

11.60

10.89

10.29

11.37^c

15

9.21

8.13

8.38

7.76

7.42

8.18^ab

20

6.46

5.74

5.85

5.48

5.23

5.75^a

Mean

9.42^b

8.44^b

8.61^b

8.04^b

7.65^b

3

10

10.72

10.27

9.85

8.88

5.63

9.07^b

15

7.71

7.43

7.08

6.48

4.09

6.56^a

20

5.39

5.18

4.96

4.53

2.87

4.59^a

Mean

7.94^b

7.63^b

7.30^b

6.63^b

4.20^a

Mean of size (A)

8.93^b

8.43^b

6.74^a

Mean of time (B)

10.83^c

7.85^b

5.42^a

Mean of speed (C)

9.08^c

8.42^bc

8.35^b

7.78^b

6.55^a

LSD at 0.05

A

B

C

AB

AC

BC

ABC

1.01

2.13

1.14

2.15

2.47

2.07

N.S