In 2012 in the United States advocacy organization Consumers Union organized a petition asking the store Trader Joe's to discontinue the sale of meat produced with antibiotics.[159] By 2014, Perdue had also phased out ionophores from its hatchery and began using the "antibiotic free" labels on its Harvestland, Simply Smart, and Perfect Portions products,[160] and by 2015, 52% of the company's chickens were raised without the use of any type of antibiotics.[161]