Table 5.

Apparent total tract digestibility of dry matter (DM), gross energy (GE), total dietary fiber (TDF), and concentration of digestible energy (DE) in experimental diets and ingredients fed to lactating sows¹ (experiment 2)

Item, %	Basal diet	Pistachio shell powder	Soybean hulls	SEM	P-value
Intake
Diet, kg/d	5.70a	5.94a	4.23b	0.33	0.003
GE, Mcal/d	21.65a	23.05a	15.87b	1.27	0.002
TDF, kg/d	0.88	1.94	1.16	0.08	<0.001
ATTD of DM, %	88.77a	77.19c	85.49b	0.59	<0.001
ATTD of GE, %	88.02a	75.97c	84.16b	0.65	<0.001
ATTD of TDF, %	76.77b	59.61c	81.86a	1.54	<0.001
DE in diet, kcal/kg, as-fed basis	3,343a	2,951c	3,181b	25	<0.001
DE in ingredient, kcal/kg
As-fed basis	—	1,603	2,540	132	<0.001
DM basis	—	1,664	2,795	144	<0.001
DE:GE	—	34.59	68.84	3.48	<0.001

^a-cWithin a row, means without a common superscript differ (P < 0.05).

¹Each least square mean represents 8 observations per diet.