I just found this
ARFF - Florida's historic ban on gestation crates
Since 2002, three states have followed Florida in banning gestation crates. The intensive confinement of pregnant pigs was banned in 2006 in Arizona after a ballot initiative effort. In 2007, the governor of Oregon signed a measure prohibiting gestation crates. In 2008, Colorado's governor signed into state law a ban on gestation crates.
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"If you have men who will exclude any of God’s creatures from the shelter of compassion and pity, you will have men who will deal likewise with their fellow men." — St. Francis of Assisi, 1181-1226