In the March World Agricultural Supply and Demand Estimates (WASDE) report, USDA raised beef production by 140 million pounds based on slaughter weight and increased beef imports by 50 million pounds. The total beef, pork, and chicken production forecast was increased by 270 million pounds from February.   Imports will go to grind, which is stable for beef production as price fluctuations are smaller and the cuts cheaper than many other beef cuts, making it a barometer of beef pricing. However, domestic cattle supplies that go into grind are cows, of which there are fewer for slaughter, thus the reliance on imported trim. The reduction in beef cow slaughter has pressured prices for ground beef. January beef imports increased by 3...