Is Endophyte a Concern for Maine Livestock Producers? This spring a few beef producers contacted UMaine Extension concerned that Endophyte infected fescue or perennial ryegrass may be adversely affecting their pregnant cattle. In other states Endophyte (fungus) infected pastures can cause abortions and/or poor weight gains in cattle and other livestock that graze these grasses. read more Farm Scoop – July 2014