. 2019 Jun 27;98(11):5700–5713. doi: 10.3382/ps/pez355

Table 7.

Influence of phytase supplementation to diets without and with monocalcium phosphate (MCP) supplementation on growth performance, energy content, prececal digestibility of P and Ca, prececal disappearance of InsP₆, and retention efficiency of P and Ca in broiler chickens.

									Prececal digestibility/ disappearance (%)			Efficiency of retention (%)
			ADG (g/bird)	ADFI (g/bird)	G:F (g/g)	Daily N accretion (g/bird)	ME (MJ/kg DM)	ME_n (MJ/kg DM)	P	InsP₆	Ca	P	Ca
Treatments ¹
SB1	Without MCP	NES	34.8	70.5	0.51	1.81	14.4	13.7	43^d	45^c	66^a	51^e	39^e
SB2		1,500Phy	40.9	74.8	0.56	1.97	14.5	13.7	66^b	75^b	65^a	74^b	52^c
SB3		3,000Phy	44.9	76.8	0.60	2.05	14.5	13.8	76^a	92^a	64^a	82^a	61^a
SB1+	With MCP	NES	41.6	75.3	0.57	2.03	14.4	13.6	49^c	21^d	57^b	54^d	47^d
SB2+		1,500Phy	43.4	75.2	0.59	2.05	14.6	13.8	61^b	74^b	49^c	69^c	59^a
SB3+		3,000Phy	48.8	79.6	0.63	2.14	14.6	13.9	64^b	89^a	47^c	68^c	57^b
Pooled SEM		1.4	1.4	0.010	0.03	0.08	0.08		2.6	2.3	2.1	0.8	0.9
Main effects
Mineral P (M)		Without MCP	40.2^B	74.0^B	0.55^B	1.94^B	14.5	13.7	–²	–	–	–	–
		With MCP	44.6^A	76.7^A	0.60^A	2.07^A	14.5	13.8	–	–	–	–	–
		Pooled SEM	1.0	0.8	0.008	0.03	0.06	0.05
Enzyme¹ (E)	NES		38.2^C	72.9^B	0.54^C	1.92^B	14.4	13.7^B	–	–	–		–
		1,500Phy	42.2^B	75.0^B	0.58^B	2.01^AB	14.5	13.8^AB	–	–	–	–	–
		3,000Phy	46.8^A	78.2^A	0.61^A	2.10^A	14.6	13.9^A	–	–	–	–	–
		Pooled SEM	1.1	1.0	0.009	0.03	0.06	0.06
ANOVA	M		<0.001	0.019	<0.001	0.002	0.359	0.407	0.070	<0.001	<0.001	<0.001	<0.001
(P-values)	E		<0.001	0.001	<0.001	0.004	0.066	0.032	<0.001	<0.001	0.005	<0.001	<0.001
	M × E		0.188	0.268	0.125	0.245	0.434	0.433	<0.001	<0.001	0.044	<0.001	<0.001

¹SB = soybean meal; 1–3 indicates enzyme supplementation in the following sequence: NES = no enzyme supplemented; 1,500Phy = 1,500 FTU phytase/kg; 3,000Phy = 3,000 FTU phytase/kg; + indicates monocalcium phosphate supplementation.

²Not presented because of significant interactions (P < 0.050) between main effects.

^a-fIn case of significant interactions (P < 0.050) between main effects: different lowercase letters indicate significant differences (P < 0.050) between treatments.

^A-CIn case of not significant interactions (P ≥ 0.050) between main effects: different capital letters indicate significant differences (P < 0.050) within the main effects M or E.