Oct 17 (Reuters) - Jaguar Mining Inc JAG.TO
* Jaguar Mining reports third quarter 2017 operating results, reviews 2017 outlook
* Preliminary Q3 consolidated gold production of 20,781 ounces
* 2017 production is now expected to be between 87,000-92,000 ounces of gold, compared with about 95,000 ounces previously announced
* A re-forecast for 2017 has been completed resulting in lower estimated gold production for full year
* Says "further improvement in operating cash flow and net positive free cash flow is expected to be generated in Q4 of 2017"
* Further improvement in operating cash flow and net positive free cash flow is expected to be generated in Q4 of 2017