Faraway woes severe flooding in the nation's Corn Belt in June, a severe drought in Russia that's greatly reduced that country's wheat production could spell financial trouble for Nevada's cattle ranchers, says an agricultural specialist at the University of Nevada, Reno.Mike Helmar, a research associate with UNR's College of Agriculture, Biotechnology and Natural Resources, says both events will contribute to higher feed prices for the nation's beef producers, who typically fatten feeder cattle to about 800 pounds before slaughter. As producers' profit margins are squeezed by higher grain prices, Helmar says, they sell off cattle to packing and slaughterhouses, and …