Tyson Foods cannot predict exactly when U.S. ranchers will start rebuilding the cattle herd in a meaningful way, CEO Donnie King said on Wednesday, as tight supplies squeeze the meatpacker's beef business.			
		
			
				
	
	
	Settlement calls for co-operation in cases against other defendants
	Group's class-action application alleges price-fixing dating back to 2015
	Employees had been suspended following lawsuit
	
	Case alleges executives conspired to inflate prices for broilers
	Plant handles up to 3.5 per cent of U.S. pork output
	Beef plant employees asked to isolate at home