June 26 (Reuters) -
Canadian government, reacting to U.S. lumber duties, says it will vigorously defend domestic industry, including through litigation
* Canadian government says deeply disappointed by U.S. decision "to impose unfair and punitive anti-dumping duties"
* Canadian government says U.S. decision to exclude three provinces from duties "represents significant progress in this longstanding dispute"
* Canadian government says will continue efforts to maintain dialogue with United States on lumber, remains confident a negotiated settlement is possible Source text for Eikon: Further company coverage: (Reporting by David Ljunggren)