Table 1. Chemical composition of experimental feeds

Item	UPR	PR
DM (%)	89.6	89.0
OM (% of DM)	95.6 ± 0.3	98.4 ± 0.1
CP (% of DM)	8.5 ± 0.2	9.6 ± 0.3
EE (% of DM)	3.0 ± 0.2	2.9 ± 0.2
NFE (% of DM)	73.9 ± 1.3	85.9 ± 0.2
CF (% of DM)	10.2 ± 1.1	0.1 ± 0.0
NDF (% of DM)	27.6 ± 4.3	8.3 ± 0.1
ADF (% of DM)	16.6 ± 1.2	1.7 ± 0.2

UPR, unpolished rice; PR, polished rice; DM, dry matter; OM, organic matter (= 100 – ash); CP, crude protein; EE, ether extracts; NFE, nitrogen free extract; CF, crude fiber; NDF, neutral detergent fiber; ADF, acid detergent fiber.