DESCRIZIONE
A method of feeding is described. The method comprises feeding a mono-gastric animal with a feed, wherein said feed comprises a phytase, wherein said phytase results in an improvement in one or more of said animal's biophysical characteristics, especially when compared to the equivalent use of Peniophora Iycii phytase and/or an E. coli phytase. In particular, the method results in an improvement in said animal's biophysical characteristics as a food source.