While U.S. broiler production is forecast to grow in 2015 and 2016, two remaining unknowns are next year's corn and soymeal prices as well as what might occur this fall with avian influenza. Chicken Expansion According to the July WASDE report issued last Friday, broiler production for 2015 and 2016 is higher based on hatchery data and continued increases in bird weights. USDA shows growth of 5 percent in 2015 and 2 percent in 2016, while industry expectations are also around 5 percent for 2015 but up to 3 percent in 2016.As of 11 July, broiler growers have placed 4.78 billion chicks for meat production, a 3 percent increase from the same period a year ago. Also for the week ending 11 July, the average slaughter weight of young chickens w...