Six livestock deaths caused by the algae are reported in North Dakota so far this year FARGO, ND — The drought conditions are escalating algae which can kill livestock in five minutes if ingested. For rancher Roddy Grefsrud, it’s been a forgiving season in Hawley, Minnesota. “We got an inch and a half of rain Wednesday night,” said Grefsrud “We hope the pasture will come back a little bit. But otherwise, it hasn’t been bad.” But the same can’t be said for several ranchers on the North Dakota side. Ag officials at NDSU told us more cyanobacteria than usual are getting into natural water sources for cattle in the state. It’s commonly referred to as blue/green algae….