Until 2007 , only three horse meat slaughterhouses still existed in the United States for export to foreign markets .
Horse meat slaughterhouses were closed by court orders resulting from the upholding of aforementioned Illinois and Texas statutes banning horse slaughter and the sale of horse meat .
Until 2007 , only three horse meat slaughterhouses still existed in the United States for export to foreign markets , but they were closed by court orders resulting from the upholding of aforementioned Illinois and Texas statutes banning horse slaughter and the sale of horse meat .