1. Abdel-Megeed A, Tahir A (2015) Reduction of phosphorous pollution from broiler waste through supplementation of wheat based broiler fed with phytase. J Chem 2015:1–3
2. Ahmed SM, Allam SM, Omer HAA, Elelaime RR, Hassaan NA (2014) Effect of adding phytase to sheep rations on digestibility and bioavailability of phosphorus and calcium. Global Vet 13:844–855
3. Akinfemi A, Adesanya AO, Aya VE (2009) Use of an in vitro gas production technique to evaluate some Nigerian feedstuff. Am J Sci Res 4:240–245
4. AOAC (2000) Official methods of analysis of the Association of Official Analytical Chemists, 17th edn. Association of Official Analytical Chemists International, Arlington
5. Applegate TJ, Angel R (2008) Phosphorous requirement for poultry AS-583-W. Purdue Univ. Coop extension west Lafayette IN.
http://www.extension.purdue.edu/extmedia/AS/AS-583-W.pdf
. Accessed 4 June 2014