Sept 13 (Reuters) - MG Unit Trust MGC.AX :
* Murray Goulburn FY 2017 farmgate milk pricing update
* Says MG has increased its forecast FY 2017 FMP to $4.88 per kgms
* Announces a step-up in FY 2017 available southern milk region farmgate milk
price by equivalent of $0.15 per kilogram milk solids
* "There is no change to MG's existing net profit after tax guidance"
* Source text for Eikon