Table 2. Comparison of in vitro and in vivo digestibility using developed dog diet¹⁾

Items (%)	IVT	IVVP	IVVA	IVVS	SE	Contrasts (p-value)
						IVT vs IVVP	IVT vs IVVA	IVT vs IVVS
DM	95.87	95.92	96.14	95.30	0.17	0.809	0.266	0.027
OM	92.05	92.06	92.88	92.32	0.48	0.983	0.241	0.695
CP	96.10	92.25	92.01	89.65	0.54	< 0.001	< 0.001	< 0.001
GE	95.22	92.99	93.82	92.63	0.28	< 0.001	< 0.001	< 0.001
CF	94.59	79.47	84.11	83.40	0.73	< 0.001	< 0.001	< 0.001
EE	93.60	82.86	86.23	85.63	0.49	< 0.001	< 0.001	< 0.001

Each mean represents 6 observations for in vivo and in vitro, respectively.
IVT, in vitro digestibility; IVVP, in vivo digestibility of puppies; IVVA, in vivo digestibility of adult dogs; IVVS, in vivo digestibility of senior dogs; DM, dry matter; OM, organic matter; CP, crude protein; GE, gross energy; CF, crude fiber; EE, ether extract.