A bipartisan group of 68 members of Congress sent a letter to US Agriculture Secretary Tom Vilsack asking him to withdraw the Modernization of Poultry Slaughter Inspection rule. A study by the Government Accountability Office (GAO) found FSIS had failed to adequately evaluate results from three pilot projects due to a lack of available data. GAO recommended USDA disclose the limitations in the public information, and continue to evaluate its pilot program for young hogs for efficacy.