Table 1 Proximate composition of the various agricultural by-product diets tested

Local brew waste

28.05 ± 0.03l

80.83 ± 0.06k

0.57 ± 0.02a

34.66 ± 0.89f

2.93 ± 0.02ab

Sunflower cake

27.33 ± 0.00k

76.1 ± 0.01j

2.54 ± 0.09d

45.92 ± 0.65h

4.36 ± 0.04def

Cotton seed cake

26.89 ± 0.03j

76.03 ± 0.07j

1.46 ± 0.01b

43.76 ± 0.29g

4.89 ± 0.01f

Pineapple peel

25.47 ± 0.01i

73.98 ± 0.03i

1.72 ± 0.01b

11.13 ± 1.03c

3.86 ± 0.08cde

Banana peel

15.88 ± 0.02h

42.04 ± 0.05h

0.55 ± 0.01a

9.33 ± 0.22e

4.67 ± 0.09ef

Pumpkin pulp

14.96 ± 0.00g

41.37 ± 0.01g

4.21 ± 0.39f

13.43 ± 0.53d

8.37 ± 0.05h

Soybean hull meal

11.6 ± 0.00f

28.66 ± 0.00f

1.59 ± 0.03b

29.92 ± 0.30e

39.93 ± 0.85i

Sweetpotato peel

11.08 ± 0.00e

26.98 ± 0.01e

3.83 ± 0.13e

8.04 ± 0.30ab

2.67 ± 0.26a

Pumpkin peel

10.54 ± 0.00d

25.4 ± 0.01d

9.75 ± 0.11g

7.13 ± 0.54a

3.21 ± 0.06abc

Dry maize cob

10.43 ± 0.00c

25.05 ± 0.01c

0.6 ± 0.01a

28.26 ± 0.92e

5.98 ± 0.10g

Cassava peel

8.68 ± 0.00b

20.99 ± 0.01b

2.67 ± 0.07d

13.06 ± 0.08d

4.55 ± 0.01ef

Germinated finger millet

7.08 ± 0.00a

17.63 ± 0.01a

2.17 ± 0.01c

13.65 ± 0.55d

3.69 ± 0.05bcd

df

11

11

11

11

11

F value

330,045.32

580,341.02

400.56

561.68

1575.73

p value

 < 0.001

 < 0.001

 < 0.001

 < 0.001

 < 0.001