The states – Missouri, Nebraska, Oklahoma, Alabama, Kentucky and Iowa – failed to show how the law would affect them and not just individual egg farmers, a unanimous three-judge panel of the 9th U.S. Circuit Court of Appeals ruled. The court upheld a lower court decision that dismissed the lawsuit.
California voters approved a ballot initiative in 2008 that set the space requirements for egg-laying hens in the state. The standards say chickens must spend most of their day with enough space to lie down, stand up, turn around and fully extend their limbs.
The measure gave farmers until 2015 to comply.