Corn expressing an Escherichia coli-derived phytase gene: A proof-of-concept nutritional study in pigs1

Adeola, 1999, Nutrient management procedures to enhance environmental conditions: An introduction J, Anim. Sci., 77, 427, 10.2527/1999.772427x

Adeola, 1997, Energy concentration of high-oil corn varieties for pigs, J. Anim. Sci., 75, 430, 10.2527/1997.752430x

Adeola, 1995, Phytase-induced increase in mineral utilization in zinc-supplemented diets for pigs, J. Anim. Sci., 73, 3384, 10.2527/1995.73113384x

Adeola, 2003, Does supplemental phytase improve amino acid utilization? A perspective that it does not, J. Anim. Sci., 81, E78

Adeola, 2004, The efficacy of an Escherichia coli-derived phytase preparation, J. Anim. Sci., 82, 2657, 10.2527/2004.8292657x

AOAC, 2000, Official Methods of Analysis., 17th ed

Augspurger, 2004, High dietary phytase levels maximize phytate-phosphorus utilization but do not affect protein utilization in chicks fed phosphorus- or amino acid -deficient diets, J. Anim. Sci., 82, 1100, 10.2527/2004.8241100x

Cromwell, 1995, Efficacy of low-activity phytase in improving the bioavailability of phosphorus in corn-soybean meal diets for pigs, J. Anim. Sci., 73, 449, 10.2527/1995.732449x

Cromwell, 1993, Efficacy of phytase in improving the bioavailability of phosphorus in soybean meal and corn-soybean meal diets for pigs J, Anim. Sci., 71, 1831, 10.2527/1993.7171831x

Engelen, 2001, Determination of phytase activity in feed by a colorimetric enzymatic method: Collaborative interlaboratory study, J. AOAC Int., 84, 629, 10.1093/jaoac/84.3.629

Guyton, 2000, Textbook of Medical Physiology., 10th ed

International Union of Biochemistry, 1979, Enzyme Nomenclature: Recommendations of the Nomenclature Committee of the International Union of Biochemistry.

Johnston, 2004, Effect of phytase addition and dietary calcium and phosphorus levels on plasma metabolites and ileal and total-tract nutrient digestibility in pigs, J. Anim. Sci., 82, 705, 10.2527/2004.823705x

Jongbloed, 1992, The effect of supplementary Aspergillus niger phytase in diets for pigs on concentration and apparent digestibility of dry matter, total phosphorus, and phytic acid in different sections of the alimentary tract, J. Anim. Sci., 70, 1159, 10.2527/1992.7041159x

Kies, 2006, Effect of graded doses and a high dose of microbial phytase on the digestibility of various mineral in weaner pigs, J. Anim. Sci., 84, 1169, 10.2527/2006.8451169x

Kornegay, 2001, Digestion of phosphorus and other nutrients: The role of phytases and factors influencing their activity, Enzymes in Farm Animal Nutrition., 10.1079/9780851993935.0237

Lei, 1993, Supplementing corn-soybean meal diets with microbial phytase linearly improves phytate phosphorus utilization by weanling pigs, J. Anim. Sci., 71, 3359, 10.2527/1993.71123359x

Li, 1997, Secretion of active recombinant phytase from soybean cell-suspension cultures, Plant Physiol., 114, 1103, 10.1104/pp.114.3.1103

NRC, 1998, Nutrient Requirements of Swine., 10th ed

Pen, 1993, Phytase-containing transgenic seeds as a novel feed additive for improved phosphorus utilization, Biotechnology (N. Y.), 11, 811

Raboy, 2003, myo-Inositol-1,2,3,4,5,6-hexakisphosphate, Phyto-chemistry, 64, 1033

Sands, 2001, Phosphorus bioavailability, growth performance, and nutrient balance in pigs fed high available phosphorus corn and phytase, J. Anim. Sci., 79, 2134, 10.2527/2001.7982134x

Sharpley, 1994, Managing agricultural phosphorus for protection of surface waters: Issues and options, J. Environ. Qual., 23, 437, 10.2134/jeq1994.00472425002300030006x

Shirley, 2003, Graded levels of phytase past industry standards improves broiler performance, Poult. Sci., 82, 671, 10.1093/ps/82.4.671

Stahl, 1999, Phytase improves iron bioavailability for hemoglobin synthesis in young pigs, J. Anim. Sci., 77, 2135, 10.2527/1999.7782135x

Stahl, 2000, A new phytase expressed in yeast effectively improves the bioavailability of phytate phosphorus to weanling pigs, J. Anim. Sci., 78, 668, 10.2527/2000.783668x

Zhang, 2000, Comparison of phytase from genetically engineered Aspergillus and canola in weanling pigs, J. Anim. Sci., 78, 2868, 10.2527/2000.78112868x