Table 8.

Digestibility coefficients of crude protein, gross energy and starch at 21 days of age given diets based on cassava products with or without microbial enzymes

Treatments	Enzyme	Crude protein	Gross energy	Starch
Ingredient
Maize (control)	−	0.72	0.76	0.91
	+	0.68	0.73	0.96
Cassava chips	−	0.67	0.71	0.94
	+	0.69	0.75	0.94
Cassava pellets	−	0.65	0.71	0.96
	+	0.68	0.72	0.97
Effect of ingredient
Maize (control)		0.70	0.74	0.94
Cassava chips		0.68	0.73	0.94
Cassava pellets		0.66	0.71	0.97
Effect of enzyme
−		0.67	0.72	0.94
+		0.68	0.73	0.96
Polled SEM		0.028	0.026	0.009
Model P		0.094	0.080	1.01
Source of variation
Ingredient		0.91	0.91	0.35
Enzyme		0.99	0.91	0.26
Ingredient × enzyme		0.88	0.91	0.47

SEM, standard error of mean.