Table 9.

Effects of feeding diets with different fermentable fiber to total dietary fiber ratio on growth performance and diarrhea rate of nursery pigs in experiment 2

	FF to TDF ratio, FF/TDF						P-value
Item1	0.52	0.55	0.58	0.61	0.64	SEM	Treatment	Linear	Quadratic
Days 0 to 14
ADG, g/d	335	323	314	334	343	12.67	0.52	0.46	0.14
ADFI, g/d	506	521	481	506	514	16.01	0.50	0.99	0.38
G:F	0.66	0.62	0.65	0.66	0.67	0.02	0.10	0.18	0.14
Diarrhea rate, %	5.56	7.46	6.82	6.03	6.35		0.69
Days 14 to 28
ADG, g/d	484	443	429	455	496	17.64	0.08	0.51	<0.01
ADFI, g/d	799a	755ab	724b	762ab	835a	22.31	0.03	0.27	<0.01
G:F	0.61	0.59	0.59	0.60	0.60	0.02	0.03	0.85	0.54
Diarrhea rate, %	4.76	5.87	4.29	3.81	4.92		0.51
Days 0 to 28
ADG, g/d	409ab	383ab	371b	395ab	420a	10.25	0.03	0.31	<0.01
ADFI, g/d	652ab	638ab	603b	634ab	674a	13.30	0.02	0.34	<0.01
G:F	0.63	0.60	0.62	0.62	0.63	0.01	0.57	0.73	0.32
Diarrhea rate, %	5.16	6.67	5.56	4.92	5.63		0.37

¹FF, fermentable fiber; TDF, total dietary fiber; ADG, average daily gain; ADFI, average daily feed intake; G:F, gain-to-feed ratio.

^a,bMeans within a row without a common superscript letter differ (P < 0.05), LSMEANS based on six replicates of 36 pigs per dietary treatment.