** Shares of Calibre Mining CXB.TO rise ~1% to $3.19
** Company produced 71,539 ounces of gold in Q1 compared with 61,767 ounces a year ago
** CXB in Q1 produced 64,469 ounces of gold in Nicaragua compared to 55,007 ounces a year earlier
** Calibre Mining had agreed to be acquired by Equinox Gold EQX.TO in February
** Calibre CEO Darren Hall says with the merger co expects to produce about 590,000 gold ounces annually
** Including session's moves, shares up 49.53%
(Reporting by Katha Kalia in Bengaluru)
((Katha.Kalia@thomsonreuters.com))