May 5 (Reuters) - Medusa Mining Ltd MML.AX
* Revised production guidance for FY16-17
* Medusa has decided to reduce production guidance for FY17
* Production guidance for FY17 has been revised to between 77,000 to 80,000 ounces of gold
* June 2017 quarter production guidance is now between 20,000 to 23,000 ounces of gold
* During remainder of FY17, a lower rate of VHG mining is now anticipated
* Decided to reduce production guidance for FY17, due to an unexpected reduced rate of mining of very high grade gold stopes on levels 8 and 9 of CO-O mine
* Comparatively lower grade stope blocks in upper levels are now anticipated to be mined for remainder of the financial year Source text for Eikon: ID:nASX3cQ8D Further company coverage: MML.AX