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Nonphytate phosphorus requirement of laying hens with and without phytase on a phase feeding program



Nonphytate phosphorus requirement of laying hens with and without phytase on a phase feeding program



Poultry Science 79(5): 748-763



An experiment was conducted to re-evaluate the non-phytate P (NPP) requirement of laying hens with and without phytase. The experiment involved 12 treatments in a 6 x 2 factorial design. The hens of the control group (T1) were fed a sequence of 0.40-0.35-0.30% NPP during 30 to 42, 42 to 54, and 54 to 66 weeks, respectively. The NPP was reduced in increments of 0.05% in T2 to T6. The hens of T7 to T12 were fed NPP regimens similar to T1 to T6 but with 300 units phytase/kg diet.

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Accession: 003510524

Download citation: RISBibTeXText

PMID: 10824965

DOI: 10.1093/ps/79.5.748


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