Patent ID: 7037516

Claim:
A method for sustaining elevated milk production response in a lactating mammal comprising: parenterally administering to the mammal a biocompatible composition of matter comprising: a) a somatotropin, active in the mammal; b) a first bioavailability enhancing constituent (BEC); and, c) optionally, a second BEC; wherein the first BEC is a non-ionic surfactant; wherein the second BEC is selected from one or a mixture of two or more of the following: one or more non-reducing carbohydrate(s) and one or more oxo-acid salt(s); wherein the somatotropin and BEC are suspended in a substantially non-aqueous hydrophobic carrier; wherein the somatotropin is present at from about 10% to about 50% by weight of the composition; wherein the first (BEC) is present at from about 0.1% to about 10% by weight of the composition; and, wherein the composition is fluidly injectable at 25 C.