{"id":302018,"date":"2026-06-29T00:17:30","date_gmt":"2026-06-29T00:17:30","guid":{"rendered":"http:\/\/6a419915aee58f9dd305415d"},"modified":"2026-06-29T00:17:30","modified_gmt":"2026-06-29T00:17:30","slug":"hay-microplasticos-hasta-en-el-alimento-para-mascotas-esto-fue-lo-que-descubrio-un-estudio","status":"publish","type":"post","link":"https:\/\/sarmiento24h.com\/?p=302018","title":{"rendered":"Hay micropl\u00e1sticos hasta en el alimento para mascotas: esto fue lo que descubri\u00f3 un estudio"},"content":{"rendered":"<p>Los micropl\u00e1sticos se han convertido en un contaminante omnipresente, lo que incluye la cadena alimenticia. A ra\u00edz principalmente de lo que consumimos, hoy sabemos que hay micropl\u00e1sticos en todos nuestros \u00f3rganos, en la sangre, semen, en los pulmones, en el cerebro. Nadie ni nada est\u00e1 a salvo, ni siquiera nuestras mascotas.<\/p>\n<p>Un nuevo estudio ha revelado que los micropl\u00e1sticos tambi\u00e9n est\u00e1n presentes en los alimentos comerciales para mascotas, lo cual no debe ser sorpresa, pero a la vez abre una v\u00eda de exposici\u00f3n hasta ahora poco considerada para perros, gatos y otros mam\u00edferos, adem\u00e1s de representar una fuente adicional de contaminaci\u00f3n para los ecosistemas terrestres. \u00bfEl ciclo de la vida? Lo de hoy es el ciclo del pl\u00e1stico.<\/p>\n<hr>\n<div class=\"ContentCardEmbedWrapper-hkvhYu kMYDit content-card-embed content-card-embed--stacked\" data-testid=\"ContentCardEmbedWrapper\" readability=\"20.311475409836\">\n<div class=\"ContentCardEmbedImage-bqahne fjmzkP content-card-embed__image\" data-testid=\"ContentCardEmbedImage\"><span class=\"SpanWrapper-kFnjvc eKnjjD responsive-asset\"><picture class=\"ResponsiveImagePicture-jKunQM gjCCFj responsive-image\"><img decoding=\"async\" alt=\"Cianobacterias cultivadas en un biorreactor, y Susie Dye, profesora de la Universidad de Missouri y una de las autoras principales del art\u00edculo.\" loading=\"lazy\" class=\"ResponsiveImageContainer-dkeESL cQPiWi responsive-image__image\" srcset=\"https:\/\/media.es.wired.com\/photos\/6a147f4334fcd9a2baa65298\/master\/w_120,c_limit\/012926_Dai.png 120w, https:\/\/media.es.wired.com\/photos\/6a147f4334fcd9a2baa65298\/master\/w_240,c_limit\/012926_Dai.png 240w, https:\/\/media.es.wired.com\/photos\/6a147f4334fcd9a2baa65298\/master\/w_320,c_limit\/012926_Dai.png 320w, https:\/\/media.es.wired.com\/photos\/6a147f4334fcd9a2baa65298\/master\/w_640,c_limit\/012926_Dai.png 640w\" sizes=\"100vw\" src=\"https:\/\/media.es.wired.com\/photos\/6a147f4334fcd9a2baa65298\/master\/w_775%2Cc_limit\/012926_Dai.png\"><\/picture><\/span><\/div>\n<div class=\"ContentCardEmbedInfo-buyHWH gWLOee\" readability=\"21.27868852459\">\n<div class=\"BaseText-fEwdHD ContentCardEmbedHed-kDKGDs fUtEc dlHXUJ content-card-embed__hed\" data-testid=\"ContentCardEmbedHed\"><a class=\"BaseLink-haTOKm ContentCardEmbedHedLink-iBZsco gAoKdC hhUFQU content-card-embed__hed-link link\" href=\"https:\/\/es.wired.com\/articulos\/estas-algas-que-atrapan-microplasticos-traen-una-nueva-esperanza\" data-testid=\"ContentCardEmbedHedLink\">Estas algas que atrapan micropl\u00e1sticos traen una nueva esperanza<\/a><\/div>\n<p>Las \u00abalgas\u00bb modificadas gen\u00e9ticamente recogen los micropl\u00e1sticos del agua y los reciclan en pel\u00edculas de pl\u00e1stico.<\/p>\n<\/div>\n<\/div>\n<hr>\n<h2>La revelaci\u00f3n del erizo<\/h2>\n<p><a data-offer-url=\"https:\/\/theconversation.com\/we-found-microplastics-in-hedgehogs-then-we-traced-them-back-to-pet-food-285745\" class=\"external-link\" data-event-click=\"{&quot;element&quot;:&quot;ExternalLink&quot;,&quot;outgoingURL&quot;:&quot;https:\/\/theconversation.com\/we-found-microplastics-in-hedgehogs-then-we-traced-them-back-to-pet-food-285745&quot;}\" href=\"https:\/\/theconversation.com\/we-found-microplastics-in-hedgehogs-then-we-traced-them-back-to-pet-food-285745\" rel=\"nofollow noopener\" target=\"_blank\">Seg\u00fan explica<\/a> la autora principal del estudio, Emily Thrift, investigadora de la Universidad de Sussex, esta indagaci\u00f3n comenz\u00f3 en 2021 con un curioso hallazgo en muestras de heces de erizos. \u201cEncontramos pl\u00e1stico en el 19% de ellos\u201d, dijo la cient\u00edfica especializada en ciencias de la vida. \u00abA pesar de ser uno de los animales silvestres m\u00e1s queridos de Gran Breta\u00f1a, y estar oficialmente catalogado como \u2018casi amenazado\u2019, nadie sab\u00eda que los erizos inger\u00edan micropl\u00e1sticos\u00bb.<\/p>\n<p>Para averiguar la fuente de micropl\u00e1sticos, hab\u00eda que investigar la ingesta de estos animales. El equipo de Emily Thrift detect\u00f3 rastros de micropl\u00e1sticos en los insectos que habitualmente comen los erizos: escarabajos, caracoles, babosas, lombrices de tierra, orugas y cochinillas. Los investigadores detectaron pl\u00e1stico en todas estas especies y en muestras de tierra sustra\u00eddas de 51 sitios en Sussex, Reino Unido. Los micropl\u00e1sticos, como ya sospech\u00e1bamos, est\u00e1n literalmente <a href=\"https:\/\/es.wired.com\/articulos\/los-microplasticos-ya-estan-en-todos-los-cerebros-humanos-y-guardan-un-vinculo-inquietante-con-los-tumores\">en todos lados<\/a>.<\/p>\n<p>Pero no solo miraron ah\u00ed. \u201cA continuaci\u00f3n, quisimos averiguar si los alimentos para mascotas que se les daban a los erizos europeos en centros de rehabilitaci\u00f3n y jardines residenciales conten\u00edan micropl\u00e1sticos\u201d, dijo Thrift. \u201cEn el Reino Unido, muchos centros de rehabilitaci\u00f3n tratan a un gran n\u00famero de mam\u00edferos enfermos o heridos cada a\u00f1o\u201d, y claro, suelen alimentarlos con comida para mascotas.<\/p>\n<p>Los autores <a href=\"https:\/\/academic.oup.com\/etc\/advance-article\/doi\/10.1093\/etojnl\/vgag130\/8692434\">del estudio<\/a>, publicado en la revista <em>Environmental Toxicology and Chemistry,<\/em> analizaron 38 productos comerciales disponibles en el Reino Unido, entre ellos alimentos para perros, gatos y erizos, tanto secos como h\u00famedos. En total examinaron 228 muestras procedentes de diferentes lotes de producci\u00f3n.<\/p>\n<p>\u201cEncontramos micropl\u00e1sticos en 29 de los 38 productos de alimentaci\u00f3n para mascotas que analizamos\u201d, apunt\u00f3 Thrift. \u201cEn 18 productos, la contaminaci\u00f3n se present\u00f3 en m\u00e1s de una unidad de venta. Si bien se detect\u00f3 pl\u00e1stico en todos los productos analizados, aquellos de la categor\u00eda de precio econ\u00f3mico presentaron un mayor n\u00famero de muestras positivas\u201d. Este \u00faltimo dato se puede deber a la calidad de los ingredientes, aunque el estudio aclara que no identificaron una causa espec\u00edfica.<\/p>\n<p>Los cient\u00edficos identificaron 95 part\u00edculas de micropl\u00e1stico pertenecientes a distintos pol\u00edmeros. Los m\u00e1s frecuentes fueron el poli\u00e9ster, la poliacrilamida, el polietileno y el polipropileno, materiales utilizados habitualmente en textiles, envases, procesos industriales y otros productos de uso cotidiano.<\/p>\n<p>En cuanto al tipo de alimento, las croquetas o alimentos secos conten\u00edan una mayor concentraci\u00f3n de part\u00edculas por gramo que los alimentos h\u00famedos. Sin embargo, la situaci\u00f3n cambia cuando se considera la cantidad que consume un animal. Debido a que los alimentos h\u00famedos tienen menor densidad energ\u00e9tica, las mascotas necesitan ingerir porciones m\u00e1s grandes para cubrir sus requerimientos nutricionales. Por consecuente, la exposici\u00f3n diaria estimada a micropl\u00e1sticos resulta mayor en los animales que consumen este tipo de alimento.<\/p>\n<p>\u201cSeg\u00fan los niveles promedio que encontramos en muestras de comida h\u00fameda para perros, un perro grande como un labrador podr\u00eda ingerir alrededor de 313 part\u00edculas de micropl\u00e1stico por d\u00eda\u201d, explic\u00f3 Thrift. En escenarios de mayor contaminaci\u00f3n, esa cifra podr\u00eda superar las 2,300 part\u00edculas diarias.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los micropl\u00e1sticos se han convertido en un&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":302019,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[46],"tags":[],"class_list":["post-302018","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tecnologia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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