A federal appeals court yesterday upheld a voter-enacted law against cruel treatment of pigs on farms, which means that even pork from out-of-state animals cannot be sold in Massachusetts if the pigs were raised in "gestation crates" so small they can't turn around or lie down.

Out-of-state pig farmers squealed in outrage after the state legislature finally passed enabling legislation related to pigs several years after voters approved the Act to Prevent Cruelty to Farm Animals, which also bars caging of egg-laying chickens and calves. Naturally, they sued, but a judge in US District Court in Boston ruled against them - after the Supreme Court upheld a similar California law.

They appealed, but in its ruling yesterday, the US Court of Appeals for the First Circuit, also in Boston, upheld

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