Fig. 1

Effect of dietary NPP level on growth performance and mortality of broilers. A ADG from 1 to 21 days of age. B ADFI from 1 to 21 days of age. C FCR from 1 to 21 days of age. D Mortality from 1 to 21 days of age. E ADG from 22 to 42 days of age. F ADFI from 22 to 42 days of age. G FCR from 1 to 21 days of age. H Mortality from 22 to 42 d of age. All values are expressed as means±SD; Mortality, Percentage data for mortality of birds were transformed to arcsine for analysis; n = 8 for all of other groups except for n = 2 for the first group with 0.15% dietary NPP from d 1 to 21. Lacking the same letters (a, b, c, d) means differences at P < 0.0001. ADG, average daily gain; ADFI, average daily feed intake; feed conversion ratio (FCR); NPP, non-phytate phosphorus