Methods for measuring enhancement in the quality of life of an animal

摘要

A method to measure enhancement in the quality of life of an animal fed a super senior pet food composition comprising quantitating the gene expression levels of one or more genes in said animal and comparing said levels in the animal to levels in the animal prior to administration of said super senior pet food composition. A method to enhance the quality of life of an animal by modulating the expression level of one or more genes in said animal in order to mimic the pattern of expression seen in vivo after administration of a super senior pet food composition.