Losing immigrant workers would mean losing farms, cows and milk, according to a survey on the effects of foreign-born labor on dairy farms that was released June 4 by the National Milk Producers Federation. The estimated effect of a 50 percent loss of the immigrant workforce on America's dairy farms would mean about 2,266 farms would go out of business, cow numbers would drop by more than 670,000 nationwide and milk production would drop by 14.7 billion pounds, the survey said. "We estimated that with a 50 percent loss in immigrant labor, we would expect to see an increase in...