Table 5.

Effect of meat and bone meal, phytase, and antibiotics levels on the performance of broilers from 0 to 42 D.

Effects	MBM	Phy	AB	WG g	FCR	FI g	Livability %
Treatment
1	−	500	−	2,762a	1.559	4,306	85
2	−	1,500	−	2,451b	1.588	3,894	85
3	−	500	+	2,744a	1.550	4,254	96
4	−	1,500	+	2,713a	1.527	4,142	88
5	+	500	−	2,769a	1.517	4,200	76
6	+	1,500	−	2,186c	1.657	3,619	80
7	+	500	+	2,665a,b	1.555	4,138	92
8	+	1,500	+	2,816a	1.512	4,260	89
2-way interactions
Phy*AB
		500	−	2,766	1.538b	4,253a	80
		500	+	2,704	1.553a,b	4,196a	94
		1,500	−	2,319	1.623a	3,757b	83
		1,500	+	2,765	1.519b	4,201a	89
Main effects
AB			−	2,542	1.580	4,005	81b
			+	2,734	1.536	4,198	91b
SEM				33.6	0.012	46.4	1.65
P > f
MBM				0.122	0.837	0.215	0.227
Phy				<0.001	0.233	0.002	0.626
AB				<0.001	0.042	0.014	0.003
MBM × Phy				0.552	0.285	0.827	0.466
MBM × AB				0.066	0.660	0.208	0.332
Phy × AB				<0.001	0.008	0.002	0.227
MBM × Phy × AB				0.004	0.129	0.187	1.000

^a,b,cmeans in the same column within a main effect, 2-way interaction or treatment means with different superscripts are different (P < 0.05).

AB = Salinomycin 60 ppm in S, G, F; Zn bacitracin 100 ppm in S, G and 50 ppm in F.

Phy = Phytase (Quantum Blue 5G).

2-way or 3-way interaction separated by Tukey.

Abbreviations: AB, antibiotics; FCR, feed conversion ratio; FI, feed intake; MBM, meat and bone meal; WG, weight gain.