 A movement toward kosher organic and free range meat was fueled by allegations of slaughterhouse conditions at Agriprocessors reminiscent of those described in Upton Sinclair's book "The Jungle".By 2008, leaders within Conservative Judaism had called for an advisory against eating meat products from Agriprocessors, due to continuing allegations of mistreatment of workers.Also in 2008, the Postville Agriprocessors plant was raided by Immigration and Customs Enforcement in what would be the largest such raid in American history.