Nov 29 (Reuters) - Moody's:
* Swiss Cantons' credit positive pension deficit reduction to slow in 2017
* "Expect reductions in Swiss Cantons' combined pension deficit will now proceed at a slower pace"
* The pace of deficit reduction is likely to slow in 2016-17
* Swiss Cantons' pension deficit reduction efforts face headwinds from persistently low interest rates, which weigh on pension fund returns Source text for Eikon: