Table 9.

Effects of supplementing Mannanase exogenous enzymes in pig diets at different growing stages on animal performance.

Variable	Weaning				Growing				Finishing
	Control	Mannanase	P-value	% increment	Control	Mannanase	P-value	% increment	Control	Mannanase	P-value	% increment
Number of animals	32	32			243	215			106	70
Dosage of Enzyme in the diet, (mg/kg)					0.001 ± 0.02	0.45 ± 0.02	0.03		0.002 ± 0.02	0.47 ± 0.02	0.04
Dosage of Enzyme in the diet, (g/d)					0.001 ± 0.19	1.31 ± 0.18	0.04		0.002 ± 0.27	1.20 ± 0.27	0.02
Dosage of Enzyme in the diet, (g/kg LW0.75)					0.01 ± 0.01	0.08 ± 0.01	0.45		0.001 ± 0.01	0.05 ± 0.01	0.68
Initial body weight, (kg)	6.96 ± 15.6	6.96 ± 0.05	0.98	0.0	41.1 ± 6.39	40.6 ± 6.38	0.93	1.2	70.6 ± 9.04	72.7 ± 9.05	0.94	2.9
Average Daily Feed lntake, (kg/d)	0.56 ± 0.05	0.54 ± 0.05	0.82	−3.6	2.12 ± 0.20	2.09 ± 0.20	0.94	−1.4	2.58 ± 0.28	2.60 ± 0.28	0.96	0.8
Average Daily Gain, (kg/d)	0.26 ± 0.09	0.27 ± 0.08	0.89	3.8	0.78 ± 0.04	0.79 ± 0.04	0.95	1.2	0.80 ± 0.05	0.80 ± 0.05	0.98	0.0
Gain: Feed, (kg/kg)					0.37 ± 0.02	0.38 ± 0.02	0.97	2.7	0.32 ± 0.03	0.33 ± 0.03	0.98	3.1
Digestibility of Dry Matter (g/kg)					808.9 ± 10.6	821.7 ± 0.04	0.75	1.6	806.2 ± 14.9	810.3 ± 14.9	0.78	0.5

% increment, compared with the control diet.