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The Interactive Effects Of Phosporus And Calcium On Phosphorus Requirement, Utilization, And Phytase Efficacy In Poultry, Syrena Powell
The Interactive Effects Of Phosporus And Calcium On Phosphorus Requirement, Utilization, And Phytase Efficacy In Poultry, Syrena Powell
LSU Doctoral Dissertations
This research was conducted with broilers to investigate the interactive effects of P and Ca on P requirement, digestibility, utilization, and phytase efficacy. Each treatment had a minimum of 6 replications. One experiment with 3 trials was conducted to identify the nonphytate P (nPP) requirement of 0 to 14 d old broilers. The nPP levels fed ranged from 0.30 to 0.60% with a Ca:nPP of 2.22:1 or 1.9:1. Requirement estimates for 0 to 14 d ranged from 0.52 to 0.60% nPP. One experiment with 2 trials was conducted to identify the nPP requirement of 14 to 28 d old broilers. …