Interaction between Dietary Phytase, Calcium and Digestible Phosphorus Levels on Performance and Tibia Ash in Broilers
Adam Sacranie1, T. Van Gerwe1, J. De Los Mozos1, A. Gutierrez Del Alamo1,
Aaron Cowieson2 and H. Enting3 (1 Poultry Research Centre, Nutreco R&D, Toledo, Spain.
2 Poultry Research Foundation, University of Sydney, Camden, NSW 2570, Australia.
3 Application and Solution Centre, Nutreco, Boxmeer, Netherlands.)
I. INTRODUCTION The global availability of inorganic phosphates is limited; phosphorus (P) is the third most expensive ingredient after energy and amino acids. Therefore sustainable animal production requires optimal utilisation of P to reduce the cost of feeding. Over two thirds of P in plantbased feedstuffs is not readily available in poultry as it is bound to phytic acid (PA), which has been co...