世界における豚のウェルフェアの発展　法制度から市場主導の変化へ

#tbcss .wpv-pagination-nav-links[data-toolset-views-view-pagination-block="43ce1138731801103cfd3748a3dd45ff"] { text-align: left;justify-content: flex-start; } #tbcss .tb-field[data-toolset-blocks-field="cc518238b14e73a1f77d592867f7a5b0"] { font-size: 11px;text-align: left;color: rgba( 1, 102, 180, 1 ); }  .tb-container .tb-container-inner{width:100%;margin:0 auto} #tbcss .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="3ba5f3115280d883e80356a318880859"] { background: rgba( 243, 243, 243, 1 );padding: 25px; } .tb-grid,.tb-grid>.block-editor-inner-blocks>.block-editor-block-list__layout{display:grid;grid-row-gap:25px;grid-column-gap:25px}.tb-grid-item{background:#d38a03;padding:30px}.tb-grid-column{flex-wrap:wrap}.tb-grid-column>*{width:100%}.tb-grid-column.tb-grid-align-top{width:100%;display:flex;align-content:flex-start}.tb-grid-column.tb-grid-align-center{width:100%;display:flex;align-content:center}.tb-grid-column.tb-grid-align-bottom{width:100%;display:flex;align-content:flex-end} #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] > .tb-grid-column:nth-of-type(3n + 1) { grid-column: 1 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] > .tb-grid-column:nth-of-type(3n + 2) { grid-column: 2 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] > .tb-grid-column:nth-of-type(3n + 3) { grid-column: 3 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] .js-wpv-loop-wrapper > .tb-grid { grid-template-columns: minmax(0, 0.3333fr) minmax(0, 0.3333fr) minmax(0, 0.3333fr);grid-auto-flow: row } #tbcss .tb-field[data-toolset-blocks-field="dc2c6421f105727557deb0125a823e19"] { font-size: 16px;text-align: left;color: rgba( 1, 102, 180, 1 ); }  #tbcss h5.tb-heading[data-toolset-blocks-heading="01751bc11cd861416022fd857afaa68d"]  { font-size: 14px;text-align: left; }  #tbcss h5.tb-heading[data-toolset-blocks-heading="01751bc11cd861416022fd857afaa68d"] a  { color: rgba( 1, 102, 180, 1 );font-size: 20px; } #tbcss h5.tb-heading[data-toolset-blocks-heading="01751bc11cd861416022fd857afaa68d"] a:hover  { color: rgba( 91, 210, 216, 1 );font-weight: bold; } #tbcss h5.tb-heading[data-toolset-blocks-heading="01751bc11cd861416022fd857afaa68d"] a:active  { color: rgba( 255, 87, 0, 1 ); } .tb-grid,.tb-grid>.block-editor-inner-blocks>.block-editor-block-list__layout{display:grid;grid-row-gap:25px;grid-column-gap:25px}.tb-grid-item{background:#d38a03;padding:30px}.tb-grid-column{flex-wrap:wrap}.tb-grid-column>*{width:100%}.tb-grid-column.tb-grid-align-top{width:100%;display:flex;align-content:flex-start}.tb-grid-column.tb-grid-align-center{width:100%;display:flex;align-content:center}.tb-grid-column.tb-grid-align-bottom{width:100%;display:flex;align-content:flex-end} #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] { padding-bottom: 30px;grid-template-columns: minmax(0, 0.5fr) minmax(0, 0.5fr);grid-auto-flow: row } #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] > .tb-grid-column:nth-of-type(2n + 1) { grid-column: 1 } #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] > .tb-grid-column:nth-of-type(2n + 2) { grid-column: 2 } #tbcss .wpv-custom-search-filter-submit[data-toolset-views-custom-search-submit="a3b8d1c4c4e77dad388dd05dadcab741"] { text-align: left;text-align: center; } #tbcss .wpv-custom-search-filter-submit[data-toolset-views-custom-search-submit="a3b8d1c4c4e77dad388dd05dadcab741"] .wpv-submit-trigger { background-color: rgba( 1, 102, 180, 1 );padding: 20px 30px 20px 30px;border: 0px solid rgba( 0, 0, 0, 1 );border-radius: 4px;text-align: center; } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="3034fbe886c11054e95b46b09d3e4112"] { display: flex; } #tbcss .wpv-custom-search-filter[data-toolset-views-custom-search-filter="fa5236e2fdaaa5caca8b85a50e260df3"] label, #tbcss .wpv-custom-search-filter[data-toolset-views-custom-search-filter="fa5236e2fdaaa5caca8b85a50e260df3"] .editor-rich-text__editable { font-size: 16px;color: rgba( 1, 102, 180, 1 ); } #tbcss .wpv-custom-search-filter[data-toolset-views-custom-search-filter="418a28d80d3cab284a6ac605d4e3bb0e"] label, #tbcss .wpv-custom-search-filter[data-toolset-views-custom-search-filter="418a28d80d3cab284a6ac605d4e3bb0e"] .editor-rich-text__editable { font-size: 16px;color: rgba( 1, 102, 180, 1 ); } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="1bec8e2caa4d6da8a3027f92ce0fd30a"] { display: flex; } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="1bec8e2caa4d6da8a3027f92ce0fd30a"] p { font-family: Allan;font-weight: regular; } #tbcss .wpv-custom-search-filter[data-toolset-views-custom-search-filter="f4215e6ab06bcb05659a9395eb3d62da"] label, #tbcss .wpv-custom-search-filter[data-toolset-views-custom-search-filter="f4215e6ab06bcb05659a9395eb3d62da"] .editor-rich-text__editable { font-size: 16px;color: rgba( 1, 102, 180, 1 ); } #tbcss h4.tb-heading[data-toolset-blocks-heading="083d6c11bd8364f302177e770c60f00f"]  { color: rgba( 1, 102, 180, 1 );text-align: left;border-radius: 0;padding: 5px 10px 5px 10px;margin-bottom: 15px;border-left: 8px solid rgba( 1, 102, 180, 1 ); }  .tb-container .tb-container-inner{width:100%;margin:0 auto} #tbcss .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="05769b0e88876e509f5fc16ca0536c7f"] { padding: 25px; } #tbcss .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="05769b0e88876e509f5fc16ca0536c7f"] p { font-size: 14px;line-height: 16px; } #tbcss .tb-fields-and-text[data-toolset-blocks-fields-and-text="0d93f81d65efc83c0475b45aa8e529a8"] { font-size: 16px;font-weight: normal;line-height: 1em;letter-spacing: 1px;background-color: rgba( 249, 246, 246, 1 );padding: 10px;border: 0px solid rgba( 0, 0, 0, 1 ); } #tbcss .tb-fields-and-text[data-toolset-blocks-fields-and-text="0d93f81d65efc83c0475b45aa8e529a8"] p { font-size: 16px;font-weight: normal;line-height: 1em;letter-spacing: 1px; } @media only screen and (max-width: 750px) {  .tb-container .tb-container-inner{width:100%;margin:0 auto}.tb-grid,.tb-grid>.block-editor-inner-blocks>.block-editor-block-list__layout{display:grid;grid-row-gap:25px;grid-column-gap:25px}.tb-grid-item{background:#d38a03;padding:30px}.tb-grid-column{flex-wrap:wrap}.tb-grid-column>*{width:100%}.tb-grid-column.tb-grid-align-top{width:100%;display:flex;align-content:flex-start}.tb-grid-column.tb-grid-align-center{width:100%;display:flex;align-content:center}.tb-grid-column.tb-grid-align-bottom{width:100%;display:flex;align-content:flex-end} #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] > .tb-grid-column:nth-of-type(3n + 1) { grid-column: 1 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] > .tb-grid-column:nth-of-type(3n + 2) { grid-column: 2 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] > .tb-grid-column:nth-of-type(3n + 3) { grid-column: 3 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] .js-wpv-loop-wrapper > .tb-grid { grid-template-columns: minmax(0, 0.3333fr) minmax(0, 0.3333fr) minmax(0, 0.3333fr);grid-auto-flow: row }   .tb-grid,.tb-grid>.block-editor-inner-blocks>.block-editor-block-list__layout{display:grid;grid-row-gap:25px;grid-column-gap:25px}.tb-grid-item{background:#d38a03;padding:30px}.tb-grid-column{flex-wrap:wrap}.tb-grid-column>*{width:100%}.tb-grid-column.tb-grid-align-top{width:100%;display:flex;align-content:flex-start}.tb-grid-column.tb-grid-align-center{width:100%;display:flex;align-content:center}.tb-grid-column.tb-grid-align-bottom{width:100%;display:flex;align-content:flex-end} #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] { grid-template-columns: minmax(0, 0.5fr) minmax(0, 0.5fr);grid-auto-flow: row } #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] > .tb-grid-column:nth-of-type(2n + 1) { grid-column: 1 } #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] > .tb-grid-column:nth-of-type(2n + 2) { grid-column: 2 } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="3034fbe886c11054e95b46b09d3e4112"] { display: flex; } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="1bec8e2caa4d6da8a3027f92ce0fd30a"] { display: flex; }  .tb-container .tb-container-inner{width:100%;margin:0 auto}#tbcss .tb-fields-and-text[data-toolset-blocks-fields-and-text="0d93f81d65efc83c0475b45aa8e529a8"] { background-color: rgba( 247, 247, 247, 1 );border: 15px solid rgba( 246, 246, 246, 1 ); }  } @media only screen and (max-width: 599px) {  .tb-container .tb-container-inner{width:100%;margin:0 auto}.tb-grid,.tb-grid>.block-editor-inner-blocks>.block-editor-block-list__layout{display:grid;grid-row-gap:25px;grid-column-gap:25px}.tb-grid-item{background:#d38a03;padding:30px}.tb-grid-column{flex-wrap:wrap}.tb-grid-column>*{width:100%}.tb-grid-column.tb-grid-align-top{width:100%;display:flex;align-content:flex-start}.tb-grid-column.tb-grid-align-center{width:100%;display:flex;align-content:center}.tb-grid-column.tb-grid-align-bottom{width:100%;display:flex;align-content:flex-end} #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"]  > .tb-grid-column:nth-of-type(1n+1) { grid-column: 1 } #tbcss .wpv-view-output[data-toolset-views-view-editor="f0ed38db9f0315948ea560b4ee0691ae"] .js-wpv-loop-wrapper > .tb-grid { grid-template-columns: minmax(0, 1fr);grid-auto-flow: row }   .tb-grid,.tb-grid>.block-editor-inner-blocks>.block-editor-block-list__layout{display:grid;grid-row-gap:25px;grid-column-gap:25px}.tb-grid-item{background:#d38a03;padding:30px}.tb-grid-column{flex-wrap:wrap}.tb-grid-column>*{width:100%}.tb-grid-column.tb-grid-align-top{width:100%;display:flex;align-content:flex-start}.tb-grid-column.tb-grid-align-center{width:100%;display:flex;align-content:center}.tb-grid-column.tb-grid-align-bottom{width:100%;display:flex;align-content:flex-end} #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"] { grid-template-columns: minmax(0, 1fr);grid-auto-flow: row } #tbcss .wp-block-toolset-blocks-grid.tb-grid[data-toolset-blocks-grid="f3b473ff6ddbba1d1168eb6e735d2314"]  > .tb-grid-column:nth-of-type(1n+1) { grid-column: 1 } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="3034fbe886c11054e95b46b09d3e4112"] { display: flex; } #tbcss .wp-block-toolset-blocks-grid-column.tb-grid-column[data-toolset-blocks-grid-column="1bec8e2caa4d6da8a3027f92ce0fd30a"] { display: flex; }  .tb-container .tb-container-inner{width:100%;margin:0 auto} } 

Global developments in pig welfare: From legislation to market-driven change

Raúl David Guevara, Heng-Lun Ko, Leopoldo Stuardo, Xavier Manteca

2023/10/06

https://doi.org/10.1016/B978-0-323-85676-8.00005-5

論文概要

豚のウェルフェアを向上させるうえで法制度は大きな原動力となり得る。本章では、豚のウェルフェアに関して、アジア（中国・ベトナム・フィリピン・日本）、南北アメリカ（米国・ブラジル・カナダ・メキシコ）、欧州連合（EU）において養豚生産で上位を占める国々の法制度をレビューする。

アジアとアメリカのいずれにおいても、国によって非常に大きな違いが見られる。アジアにおいてアニマルウェルフェアの法律や基準を策定する原動力となっているのは、社会の意識（フィリピンなど）や世界市場における豚肉取引（中国など）の影響である。南北アメリカの国々では、法律で定められている主な問題のひとつに、妊娠ストールの使用がある。全般的に、豚に対してはコンパニオンアニマルや野生動物ほどには法的な保護が及んでいない。

豚のウェルフェアに関するEUの法律は、欧州諸国だけでなく、EUの貿易要件を遵守することを望む他の国々における生産に大きな変化をもたらしている。ラベリング制度も豚のウェルフェアに大きな影響を与える可能性があるが、アジアとヨーロッパにおける認証制度の大半は飼養環境や食事などのリソースに関する評価となっている。

豚のウェルフェアに関する法律がほとんどない国々や、そうした法律が全くない国々では、世界動物保健機関 World Organization for Animal Health (WOAH)の基準は特に重要である。

動物の未来-FACTSへ戻る