Table 1.

Accuracy of the UHF-RFID system (relative to visual observation) for monitoring instantaneous bird number (IBN) and time spent (TS) at feeder and drinker in terms of Ross×Ross 708 broilers

	Accuracy (mean±SD (%))
Behaviors	IBN	TS
Feeding	92.5±4.2	99.0±1.2
Drinking
Vertical placement at 23 cm height	77.2±19.5	68.4±21.3
Vertical placement at 18 cm height	89.8±10.8	73.1±27.3
Tilted placement at 18 cm height	94.7±4.2	93.7±6.9

UHF-RFID = ultra-high frequency radio frequency identification.