Amino acid and mineral digestibility, bone ash, and plasma inositol is increased by including microbial phytase in diets for growing pigs

Table 7 Inositol phosphate (IP) esters and inositol (nmol/g dry matter) in ileal digesta and fecal samples from pigs fed diets containing 0, 250, 500, 1,000, 2,000, and 4,000 units of microbial phytase (FTU)/kg of complete diet^a

Item	Phytase, FTU/kg						SEM	P-value
Item	0	250	500	1,000	2,000	4,000	SEM	Linear	Quadratic
Ileal digesta samples
IP6	39,298	18,147	7,546	4,460	2,136	1,474	1,597	< 0.001	< 0.001
IP5	5,223	3,822	1,703	1,006	334	225	522	< 0.001	< 0.001
IP4	1,253	7,312	5,749	5,700	2,580	822	1,182	0.003	0.111
IP3	727	3,569	2,541	2,618	1,109	543	583	0.005	0.292
Inositol	173	961	1,990	2,808	4,026	6,458	570	< 0.001	0.135
Fecal samples^b
IP6	775	509	606	968	670	741	136	0.683	0.641
IP5	149	73	59	97	58	48	24	0.041	0.295
IP4	24	33	58	62	31	26	10	0.258	0.076

ISSN: 2049-1891