By MarketsFarm WINNIPEG, May 5 (MarketsFarm) – The Canadian dollar was slightly higher on Tuesday, following a boost in crude oil futures. The dollar finished the day at US$0.7127 or US$1=C$1.4032, compared to Monday when it closed at US$0.7100 or US$1=C$1.4085. Today, the Canadian government announced an additional C$5 billion in lending from Farm Credit