{"id":902,"date":"2026-03-06T17:35:23","date_gmt":"2026-03-06T16:35:23","guid":{"rendered":"https:\/\/animalwelfare.iph-multisite.berta-bewegt.ch\/?page_id=902"},"modified":"2026-03-09T17:55:28","modified_gmt":"2026-03-09T16:55:28","slug":"1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints","status":"publish","type":"page","link":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/","title":{"rendered":"1. Fewer than 3.5% of all animal experiments involve severe constraints"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. Fewer than 3.5% of all animal experiments involve severe constraints<\/h2>\n\n\n\n<p>The pharmaceutical industry, researchers, laboratory animal specialists, the federal authorities, animal welfare groups and politicians have been championing the application of the3Rs for more than 30 years. The consistent promotion of the 3Rs has played a significant part in helping to lower the number of laboratory animals used from around 2 million in 1983 to fewer than 575,000 animals in 2019 and steadily reduce the constraint on the animals. Fewer than 3.5% of all animal experiments were classified under severity degree 3 in 2019. The pharma industry is committed to systematically continuing its ongoing efforts to reduce animal experiments to the absolute minimum.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Fewer than 3.5% of all animal experiments involve severe constraints The pharmaceutical industry, researchers, laboratory animal specialists, the federal authorities, animal welfare groups and politicians have been championing the application of the3Rs for more than 30 years. The consistent promotion of the 3Rs has played a significant part in helping to lower the number [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":896,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/unterthema.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-902","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>1. Fewer than 3.5% of all animal experiments involve severe constraints - animalwelfare<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1. Fewer than 3.5% of all animal experiments involve severe constraints\" \/>\n<meta property=\"og:description\" content=\"1. Fewer than 3.5% of all animal experiments involve severe constraints The pharmaceutical industry, researchers, laboratory animal specialists, the federal authorities, animal welfare groups and politicians have been championing the application of the3Rs for more than 30 years. The consistent promotion of the 3Rs has played a significant part in helping to lower the number [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/\" \/>\n<meta property=\"og:site_name\" content=\"animalwelfare\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-09T16:55:28+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/\",\"url\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/\",\"name\":\"1. Fewer than 3.5% of all animal experiments involve severe constraints - animalwelfare\",\"isPartOf\":{\"@id\":\"https:\/\/animalwelfare.interpharma.ch\/#website\"},\"datePublished\":\"2026-03-06T16:35:23+00:00\",\"dateModified\":\"2026-03-09T16:55:28+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Start\",\"item\":\"https:\/\/animalwelfare.interpharma.ch\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Content\",\"item\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Fundamentals\",\"item\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Severity degree 3 experiments\",\"item\":\"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"1. Fewer than 3.5% of all animal experiments involve severe constraints\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/animalwelfare.interpharma.ch\/#website\",\"url\":\"https:\/\/animalwelfare.interpharma.ch\/\",\"name\":\"animalwelfare\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/animalwelfare.interpharma.ch\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"1. Fewer than 3.5% of all animal experiments involve severe constraints - animalwelfare","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/","og_locale":"en_US","og_type":"article","og_title":"1. Fewer than 3.5% of all animal experiments involve severe constraints","og_description":"1. Fewer than 3.5% of all animal experiments involve severe constraints The pharmaceutical industry, researchers, laboratory animal specialists, the federal authorities, animal welfare groups and politicians have been championing the application of the3Rs for more than 30 years. The consistent promotion of the 3Rs has played a significant part in helping to lower the number [&hellip;]","og_url":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/","og_site_name":"animalwelfare","article_modified_time":"2026-03-09T16:55:28+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/","url":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/","name":"1. Fewer than 3.5% of all animal experiments involve severe constraints - animalwelfare","isPartOf":{"@id":"https:\/\/animalwelfare.interpharma.ch\/#website"},"datePublished":"2026-03-06T16:35:23+00:00","dateModified":"2026-03-09T16:55:28+00:00","breadcrumb":{"@id":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/1-fewer-than-3-5-of-all-animal-experiments-involve-severe-constraints\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Start","item":"https:\/\/animalwelfare.interpharma.ch\/en\/"},{"@type":"ListItem","position":2,"name":"Content","item":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/"},{"@type":"ListItem","position":3,"name":"Fundamentals","item":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/"},{"@type":"ListItem","position":4,"name":"Severity degree 3 experiments","item":"https:\/\/animalwelfare.interpharma.ch\/en\/topics\/grundlagen\/severity-degree-3-experiments\/"},{"@type":"ListItem","position":5,"name":"1. Fewer than 3.5% of all animal experiments involve severe constraints"}]},{"@type":"WebSite","@id":"https:\/\/animalwelfare.interpharma.ch\/#website","url":"https:\/\/animalwelfare.interpharma.ch\/","name":"animalwelfare","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/animalwelfare.interpharma.ch\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"_links":{"self":[{"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/pages\/902","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/comments?post=902"}],"version-history":[{"count":2,"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/pages\/902\/revisions"}],"predecessor-version":[{"id":3799,"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/pages\/902\/revisions\/3799"}],"up":[{"embeddable":true,"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/pages\/896"}],"wp:attachment":[{"href":"https:\/\/animalwelfare.interpharma.ch\/en\/wp-json\/wp\/v2\/media?parent=902"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}