Table 9.

Some examples of ileal phytate degradation with/without exogenous phytase

			Phytate digestibility
Phytase type	Phytase inclusion (FTU kg−1)	PP, TP, Caa (g kg−1)	− phytase	+ phytase	% above controlb	Species	Diet	Reference
A. niger	1500	2.1, 3.3, 5.0	9.6	59.7	50.1	Pigs (37 kg)	Corn–SBM	Jongbloed et al.62
	1500	2.1, 4.1, 5.4	−1.4	74	75.4		SBM–tapioca–hominy feed
A. niger	900	2.6, 3.0, 5.5	14.9	53.2	38.3	Pigs (37 kg)	Corn–SBM	Kemme et al.55
A. niger	500	2.3, 4.1–5.7, 5–10	16.2	51.4	35.2	Pigs	Corn–tapioca–SBM	Seynaeve et al.44
E. coli	500	2.3, 3.5, 4.4	11.1	58.6	47.5	Pigs (20 kg)	Corn–SBM	Zeng et al.79
	1000		11.1	64.1	53
Citrobacter braakii	1107	3, 4, 3.9	39.1	67.7	28.6	Pigs (22 kg)	Corn–SBM–wheat bran–rapeseed meal	Rutherfurd et al.78
	2215		39.1	70.8	31.7
A. niger	1000	2.2, 4.8, —	16.1	62.5	46.4	Chicken	Corn–SBM	Liebert et al.66
	1000	2.2, 3.6, —	23	65.4	42.4
A. niger	500	2.8, 4.8, —	28	59.3	31.3	Male broilers	Wheat–SBM–canola	Wu et al.77
	1000		28	63.5	35.5
	1500		28	69.7	41.7
	2000		28	79.1	51.1
	500	2.8, 4.8, —	27.2	51.9	24.7	Female broilers	Wheat–SBM–canola	Wu et al.77
	1000		27.2	55.6	28.4
	1500		27.2	70.9	43.7
	2000		27.2	71.5	44.3
A. ficuum	500	3.1, 4.0, 1.8	69.2	79.5	10.3	Male broilers	Corn–SBM	Tamim et al.41
P. lycii	500		69.2	76.2	7
A. ficuum	500	3.1, 4.0, 6.8	25.4	58.9	33.5
P. lycii	500		25.4	44.9	19.5
Buttiauxella	1000	3.2, 5.1, 5.1	51.4	88.4	37	Male broilers	Corn–SBM	Amerah et al.48
	1000	3.2, 5.1, 6.8	40.4	75.2	34.8
	1000	3.2, 5.1, 9.1	43.7	76.2	32.5
	1000	3.2, 5.1, 13	39.8	75.9	36.1
A. niger	250	2.7c	21.6	54.2	32.6	Laying hen,24 weeks	Corn–SBM–hominy feed–sunflower meal	van der Klis et al.43
	250	2.7, 3.5, 30–40	21.7	59	37.3
	500	2.7, 3.5, 30–40	21.7	71.7	50
	250	2.4, 3.2, 35	8.1	49.6	41.5		Corn–SBM–sunflower meal
	500	2.4, 3.2, 35	8.1	66.1	58

^aPP, phytate P; TP, total P; —, data not reported.

^bPercentage points increase in phytate degradation above control, due to phytase addition.

^cWith addition of 0.5 g kg⁻¹ MCP-P.