Animal rights groups have launched an advertising campaign that claims factory farmed pigs are being abused.

They say the majority of Australia's 320,000 sows and their offspring spend their entire lives in restricted environments.

Glenys Oogjes from Animals Australia says that is cruel and legislation should be changed to protect them.

"If the same sort of conditions were imposed upon cats and dogs then the law would be able to step-in," she said.

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full story:
http://www.abc.net.au/news/items/200610/1775927.htm?newengland