Biochemical effect of a histidine phosphatase acid (phytase) of Aspergillus japonicus var. Saito on performance and bony characteristics of broiler

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Table 5 Final performance of 42-days-old broilers

Treatment^a	Performance
Treatment^a	Live weight (kg)	Viability (kg)	Productive efficiency index
T1 (control)	2.663a	99.05a	377a
T2	2.609a	97.62a	361a
T3	2.604a	96.67a	371a
T4	2.644a	98.10a	370a
T5	2.567a	97.62a	357a
ANOVA	ns^b	ns	ns
CV^c (%)	4.83	2.33	5.38

Different lowercase letters in columns show significant level (p < 0.05) according Student Newman Kwels test (SNK)
^aT1—control diet without enzyme and with available phosphorus according Tables for Broilers (Rostagno 2005); T2—250 FTU/kg of feed and 33 % more phytic phosphorus than T1; T3—500 FTU/kg of feed and 33 % more phytic phosphorus than T1; T4—250 FTU/kg of feed and 66 % more phytic phosphorus than T1; T5—500 FTU/kg of feed and 66 % more phytic phosphorus than T1; FTU—phytasic unit
^bns—not significant with 5 % of significance
^cCV—coefficient of variance