| Arizona |
2006 |
Ballot Measure（codified as Ariz。Rev.Stat.Ann.§13-291.07）
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Prohibits confining veal calves and gestating sows where they cannot lie down，fully extend limbs，or turn around freely for the majority（or all）of the day。
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| 2019 |
Regulation（Ariz。Admin.Code R3-2-901） |
Requires producers with more than20000 egg-laying hens to provide one square foot of floor space per hen after October 2022；requires cage free housing by January 2025；bans the in-state sale of eggs that come frome hens raised in conditions that violate these standards。 |
| California |
2008年 |
Ballot Measure（codified as Cal.Health and Safety Code，Ch.13.8§25990）
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Prohibits confining veal calves，gestating sows，and hens where they cannot lie down，fully extend limbs，or turn around freely。
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| 2010 |
Legislation（Cal.Health and Safety Code，Ch.14§25995）
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Bans in-state sale of shelled eggs from hens that were unable to lie down，fully extend limbs，or turn around freely。
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| 2018 |
Ballot Measure（codified as Cal.Health and Safety Code，Ch.13.8§25990）
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Amends existing anti-confinement laws to require24 square feet per sow during gestation，43 square feet per veal calf，and1 to 1.5 square feet per eg-laying hen；bans the in-state sale of whole veal and pork meat and egg products that come from animals raised in conditions violate thestards se。
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| Colorado |
2008年 |
Legislation（as Colo.Rev.Stat.Ann.§35-50.5-101et seq.）
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Prohibits confining veal calves and gestating sows where they cannot stand up，lie down，or turn around freely。
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| 2020 |
Legislation（Colo.Rev.Stat.Ann.§35-21-201et seq.） |
Requires producers with more than3000eg-laying hens to provide hens confined in enclosure with at least one square foot of floor space by2023；requires cage-free housing by2025；bans the in-state sale of eggs that come from hens kept in conditions that violate these standards。 |
| Florida |
2002 |
Ballot Measure（codified in Fla.Const。Art.X，§21）。
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Prohibits gestation crates that prevent a pig freely；also includes a general statement that“inhumane treatment of animals is a concern of Florida citizens.”
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| Kentucky |
2014 |
Regulations（302Ky.Admin。Regs.21:030）
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After Dec.31,2017calves raised for veal must be able to stand without impediment，rest in normal posture，groom，and eat。
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| Maine |
2009年 |
Legislation（Me.Rev.Stat.tit。7§4020）
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Prohibits confining veal calves and gestating sows where they cannot stand up，lie down，fully extend limbs，or turn around freely for the majority（or all）of the day。
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| assachusetts |
2016 |
Ballot Measure（enacted as Mass.Gen.Laws Ch.129App。，§1-5）。
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After2022，prohibits breeding pigs，calves raised for veal and egg laying hens from being confined in a manner that prevents them lying down，standing up，fully extending their limbs，or turning around freely.se standards。
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| 2021 |
Legislation（Mass St.2021，c.108） |
Amendment to existing law that changes the space allowance required for egg-laying hens from1.5 square feet to 1square foot；delayed the implementation of the in-state sales ban of meat produced from pigs confined in a cruel manner to August，2022。 |
| ichigan |
2009年 |
Legislation（Mich.Comp。Laws.Ann.§287.746）
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Prohibits confinement of veal calves，gestating sows，and hens where they cannot stand up，lie down，fully extend limbs，or turn around freely for the majority（or all）of the day。
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| 2019 |
Legislation（Mich.Comp。Laws.Ann.§287.746） |
Requires producers with more than3000 egg-laying hens to provide cage free housing and at least1square foot of floor space per hen by2025；bans the in-state sale of shell eggs that come from hens kept in conditions that violate these standards。 |
| Nevada |
2021 |
Legislation（Nev.Rev.Stat.§583.237et seq.） |
Requires producers with more than3000 egg-laying hens to provide one square foot of floor space after July2022；requires cage-free housing by2024；bans the in-state sale of egg products that come from hens kept in conditions that violate these standards。 |
| 新建项目 |
2023 |
Legislation（A1970） |
Prohibits confinement in an enclosure of any breeding sow or calf raised for veal in a manner that prevents them from lying down，standing up，fully extending their limbs，or turning around freely |
| Ohio |
2010 |
Regulations（Ohio Admin。代码§901:12-5-03[veal]；§901:12-8[swine]）
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Requires veal calves to be housed in group pens by10 weeks of age where they can stand without impediment，rest using normal postures，groom，eat，turn around，and lie down.After2025， sows may only be housed in gestation crates after2025 to post-weaning for a period of time that seeks to maximize embryonic welfare and allows for confirmation of pregnancy。
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| Oregon |
2007年 |
Legislation（Or。Rev.Stat.§600.150）
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Prohibits confinement of gestating sows for more than twelve hours during a24hour period in away that does not allow them to lie down，fully extend limbs，and turn around freely。
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| 2011 |
Legislation（Or。Rev.Stat.§632.840former）
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Authorizes Dept.of Agriculture to promulgate regulations phasing in colony cages by2026，increasing the amount of space required for eg-laying hens to the American Humane Association’s requirements.[Superseded by later legislation]
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| 2019 |
Legislation（Or。Rev.Stat.§632.840S.B.1019） |
Supersedes prior legislation.Requires producers with more than3000egg-laying hens to provide cage free housing and at least1square foot of floor space per hen by2024；bans the in-state sale of shell eggs that come from hens kept in conditions that violate these standards。 |
| Rhode Island |
2012 |
Legislation（4R.I.Gen.Laws Ann.§4-1.1-3）
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Prohibits confining veal calves and gestating sows where they cannot stand up，lie down，fully extend limbs，or turn around freely。
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| 2018 |
Legislation（R.I.Gen.Laws Ann.§§4-1.1-1et seq.）
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After2026，new in state producers must provide eg-laying hens with at least1square feet of floor space。
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| Utah |
2021 |
Legislation（Utah Code Ann.§4-4a-101et seq.） |
Requires producers with more than3000eg-laying hens to provide cage free housing and at least1square foot of floor space per hen by 2025 |
| Washington |
2011 |
Legislation（Wash.Rev.Code§69.25.065and§69.25.107former）
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Requires producers with3000egg-laying hens or more to provide116.3square inches of space（per the American Humane Association requirements）。超级用户布局
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| 2019 |
Legislation（Wash.Rev.Code§69.25.065and§69.25.107）
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Requires producers with more than3000 egg-laying hens to provide cage free housing and at least1square foot of floor space per hen by January 2024；bans the in-state sale of egg products that come from hens kept in conditions that violate these standards。
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