EXETER, England :Australia got their Women’s Rugby World Cup campaign off to a perfect start with a 73-0 thumping of Samoa on Saturday, while Canada fullback Julia Schell scored six tries in the space of 23 second-half minutes to help her team to a dominant win over Fiji. There were also wins for France and Scotland on the second day of the six-week tournament after hosts England opened proceedings on Friday with an emphatic victory over the U.S. Schell’s double hat-trick came after Canada, who