Table 2. Study A: key analysed values of starter and grower feeds (as is).

Treatment	Dry matter (%)	Crude protein (%)	Crude fat (%)	Ash (%)	Fe (mg/kg)	Microtracer (% recovery)	Calculated ferric citrate content (mg/kg feed)1
Starter diet (0–14 d)
T1 Control	90.56	21.83	7.42	5.81	77.8	NA	–
T2 Ferric citrate, 200 mg/kg feed	90.71	21.85	7.39	5.78	116.5	92 %	184
T3 Ferric citrate, 2,000 mg/kg feed	90.65	21.79	7.44	5.80	409.3	71%	1,420
Grower diet (15–35 d)
T1 Control	90.79	20.28	8.42	5.34	80.4	NA	–
T2 Ferric citrate, 200 mg/kg feed	90.77	20.25	8.35	5.30	124.5	84%	168
T3 Ferric citrate, 2,000 mg/kg feed	90.80	20.30	8.39	5.33	428.2	78%	1,560

Notes:

NA = Not applicable.

¹Calculated ferric citrate = % recovery of microtracer x ferric citrate dose.