Table 10.

Growth performance and fecal score of nursery pigs fed control or LCF diets¹ with or without β-mannanase

Diet1	Control	LCF			P-value
M2	–	−	+	SEM	Diet	M
BW, kg
Day 0	6.2	6.2	6.1	0.4	0.800	0.800
Day 12	8.3	7.6	8.0	0.6	0.110	0.279
Day 21	12.2	11.4	12.1	0.9	0.327	0.398
Day 37	24.8	22.7	25.1	1.2	0.090	0.059
ADG, g/d
Phase 13	178	118	158	24	0.106	0.270
Phase 2	437	422	450	41	0.825	0.660
Phase 3	788ab	707b	812a	34	0.279	0.025
Overall	505a	446b	512a	24	0.084	0.054
ADFI, g/d
Phase 1	250a	164b	224a	22	0.009	0.056
Phase 2	635	569	612	49	0.308	0.507
Phase 3	1,340a	1,180b	1,196b	60	0.026	0.831
Overall	815a	701b	739ab	40	0.027	0.455
G:F
Phase 1	0.69	0.67	0.73	0.09	0.921	0.687
Phase 2	0.69	0.74	0.74	0.04	0.431	0.937
Phase 3	0.59a	0.60a	0.69b	0.03	0.548	0.048
Overall	0.62a	0.64a	0.70b	0.02	0.717	0.021
Feed cost/kg BW gain, $
Phase 1	1.41	1.13	1.27	0.14	0.191	0.500
Phase 2	0.98	0.83	0.87	0.06	0.118	0.639
Phase 3	0.81	0.75	0.66	0.03	0.167	0.022
Fecal score
Phase 1	3.9ab	4.0a	3.7b	0.1	0.708	0.080
Phase 2	3.8a	3.8a	3.5b	0.1	0.889	0.067
Phase 3	3.3a	3.4b	3.1c	0.1	0.002	<0.001

¹Control and low-cost formulated feed (LCF).

²Mannanase supplemented at 100 g/t, supplying 800 TMU/kg.

³Phase 1, days 0 to 12; phase 2, days 12 to 21; phase 3, days 21 to 37.

^abcWithin a row, values with different superscripts are significantly different at P < 0.05.