bibliographicCitation |
Keshavarz K, Austic RE. The use of low-protein, low-phosphorus, amino acid- and phytase-supplemented diets on laying hen performance and nitrogen and phosphorus excretion. Poult Sci. 2004 Jan;83(1):75–83. doi: 10.1093/ps/83.1.75. PMID: 14761087. |