References

Adeola, O., 1995. Digestive utilization of minerals by weanling pigs fed copper and phytase-supplemented diets. Can. J. Anim. Sci., 75: 603-610.

Adeola, O., B.V. Lawrence, A.L. Sutton and T.R. Cline, 1995. Phytase-induced changes in mineral utilization in zinc-supplemented diets for pigs. J. Anim. Sci., 73: 3384-3391.
Direct Link  |  

Biehl, R.R. and D.H. Baker, 1997. Microbial phytase improves amino acid utilization in young chicks fed diets based on soybean meal but not diets based on peanut meal. Poult. Sci., 76: 355-360.
CrossRef  |  PubMed  |  Direct Link  |  

Biehl, R.R., D.H. Baker and H.F. Deluca, 1995. 1α-hydroxylated cholecalciferol compounds act additively with microbial phytase to improve phosphorus, zinc and manganese utilization in chicks fed soy-based diets. J. Nutr., 125: 2407-2416.
Direct Link  |  

Broz, J., P. Oldale, A.H. Perrin-Voltz, G. Rychen, J. Schulze and C.S. Nunes, 1994. Effect of supplemental phytase on performance an phosphorus utilization in broiler chikens fed a low phospohorus diet without addition of inorganic phosphates. Br. Poult. Sci., 35: 273-280.
Direct Link  |  

Cabahug, S., V. Ravindran, P.H. Selle and W.L. Bryden, 1999. Response of broiler chickens to microbial phytase supplementation as influenced by dietary phytic acid and non-phytate phosphorus contents. I. Effects on bird performance and toe ash. Br. Poult. Sci., 40: 660-666.
CrossRef  |  PubMed  |  Direct Link  |  

Denbow, D.M., V. Ravindran, E.T. Kornegay, Z. Yi and M. Hulet, 1995. Improving phosphorus availability in soybean meal for broilers by supplemental phytase. Poult. Sci., 74: 1831-1842.
PubMed  |  Direct Link  |  

Knuckles, B.E. and A.A. Betschart, 1987. Effect of phytate and other myo-inositol phosphate esters on α-amylase digestion of starch. J. Food Sci., 52: 719-721.
CrossRef  |  Direct Link  |  

Lenis, N.P. and A.W. Jongbloed, 1999. New technologies in low pollution swine diets: Diet manipulation and use of synthetic amino acids, phytase and phase feeding for reduction of nitrogen and phosphorus excretion and ammonia emission-review. Asian-Aust. J. Anim. Sci., 12: 305-327.

Mitchell, R.D. and H.M. Edwards Jr., 1996. Additive effects of 1,25-dihydroxycholecalciferol and phytase on phytate phosphorus utilization and related parameters in broiler chickens. Poult. Sci., 75: 111-119.
CrossRef  |  PubMed  |  Direct Link  |  

NRC., 1994. Nutrient Requirements of Poultry. 9th Edn., National Academy Press, Washington, DC., USA., ISBN-13: 9780309048927, Pages: 176.

Namkung, H. and S. Leeson, 1999. Effect of phytase enzyme on dietary nitrogen-corrected apparent metabolizable energy and the ileal digestibility of nitrogen and amino acids in broiler chicks. Poult. Sci., 78: 1317-1319.
CrossRef  |  Direct Link  |  

Nelson, T.S., 1967. The utilization of phytate phosphorus by poultry: A review. Poult. Sci., 46: 862-871.
Direct Link  |  

Nelson, T.S., T.R. Shieh, R.J. Wodzinski and J.H. Ware, 1971. Effect of supplemental phytase on the utilization of phytate phosphorus by chicks. J. Nutr., 101: 1289-1293.
CrossRef  |  PubMed  |  Direct Link  |  

Ravindran, V., E.T. Kornegay, L.M. Potter, B.O. Ogunabameru, M.K. Welten, J.H. Wilson and M. Potchanakorn, 1995. An evaluation of various response criteria in assessing biological availability of phosphorus for broilers. Poult. Sci., 74: 1820-1830.
PubMed  |  

Schoner, F.J., P.P. Hoppe, G. Schwartz and H. Weische, 1993. Comparison of microbial phytase and inorganic phosphate in male chickens: The influence on performance data, mineral retention and dietary calcium. J. Anim. Physiol. Anim. Nutr., 69: 235-244.

Sebastian, S., S.P. Touchburn, E.R. Chavez and P.C. Lague, 1996. Efficacy of supplemental microbial phytase at different dietary calcium levels on growth performance and mineral utilization of broiler chickens. Poult. Sci., 75: 1516-1523.
PubMed  |  

Selle, P.H., V. Ravindran, P.H. Pittolo and W.L. Bryden, 2003. Effects of phytase supplementation of diets with two tiers of nutrient specifications on growth performance and protein efficiency ratios of broiler chickens. Asian-Aust. J. Anim. Sci., 16: 1158-1164.
Direct Link  |  

Shaw, A.L., J.B. Hess, J.P. Blake and N.E. Ward, 2011. Assessment of an experimental phytase enzyme product on live performance, bone mineralization and phosphorus excretion in broiler chickens. J. Applied Poult. Res., 20: 561-566.
CrossRef  |  Direct Link  |  

Shaw, A.L., J.P. Blake and R.W. Gordon, 2010. Evaluation of commercial phytase enzymes on performance and tibia-breaking strength of male broiler chicks. J. Applied Poult. Res., 19: 415-421.
CrossRef  |  Direct Link  |  

Simons, P.C.M., H.A.J. Versteegh, A.W. Jongbloed, P.A. Kemme and P. Slump et al., 1990. Improvement of phosphorus availability by microbial phytase in broilers and pigs. Br. J. Nutr., 64: 525-540.
CrossRef  |  Direct Link  |  

Steel, R.G. and J.H. Torrie, 1980. Principals and Procedures of Statistics. 2nd Edn., McGraw-Hill Book Company Inc., New York, USA.

Waldroup, P.W., 1999. Nutritional approaches to reducing phosphorus excretion by poultry. Poult. Sci., 78: 683-691.
CrossRef  |  Direct Link  |  

Yi, Z., E.T. Kornegay, V. Ravindran and D.M. Denbow, 1996. Improving phytate phorus availability in corn and soybean meal for broiler using micobial phytase and calculation of phosphor use quivalency values for phytase. Poult. Sci., 75: 240-249.
PubMed  |  

Zyla, K., D.R. Ledoux, M. Kuiawski and T.L. Venum, 1996. The effect of an enzymic cocktail and a fungal mycelium in dephosphorylation corn-soybean meal based feeds fed to growing turkeys. Poult. Sci., 75: 381-387.