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Response Of Broiler Chickens In The Starter And Finisher Phases To 3 Sources Of Microbial Phytase, O. O. Babatunde, J. A. Jendza, P. Ader, P. Xue, Sunday A. Adedokun, O. Adeola
Response Of Broiler Chickens In The Starter And Finisher Phases To 3 Sources Of Microbial Phytase, O. O. Babatunde, J. A. Jendza, P. Ader, P. Xue, Sunday A. Adedokun, O. Adeola
Animal and Food Sciences Faculty Publications
A broiler chicken study was conducted for 42 D to evaluate their responses to 3 commercially available microbial phytases. Growth performance, nutrient digestibility, and bone mineralization at days 21 and 42 posthatching were used as parameters of evaluation. The study was a randomized complete block design with 12 treatments, 8 replicate pens, and 25 birds per pen. Treatments included a positive control (PC), a negative control (NC) with crude protein (CP), nonphytate phosphorus (P), and calcium (Ca) reduced by 18, 1.5, and 1.8 g/kg, respectively; the NC + 4 levels of phytase A (250, 500, 750, 1,000 FTU/kg), 3 levels …