{"id":13740,"date":"2026-10-01T13:03:27","date_gmt":"2026-10-01T12:03:27","guid":{"rendered":"https:\/\/www.tiendanimal.pt\/blog\/?p=13740"},"modified":"2026-10-01T13:03:29","modified_gmt":"2026-10-01T12:03:29","slug":"proteinas-para-caes-quanta-proteina-precisa-o-seu-cao","status":"publish","type":"post","link":"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/","title":{"rendered":"Prote\u00ednas para c\u00e3es: quanta prote\u00edna precisa o seu c\u00e3o"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Quanta_proteina_precisa_um_cao_por_dia\" >Quanta prote\u00edna precisa um c\u00e3o por dia<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Como_se_mede_a_proteina_numa_racao\" >Como se mede a prote\u00edna numa ra\u00e7\u00e3o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Que_percentagem_e_adequada_em_cada_fase_de_vida\" >Que percentagem \u00e9 adequada em cada fase de vida<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Caes_ativos_e_caes_sedentarios_o_que_muda\" >C\u00e3es ativos e c\u00e3es sedent\u00e1rios: o que muda<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Um_valor_alto_de_proteina_e_sempre_melhor\" >Um valor alto de prote\u00edna \u00e9 sempre melhor<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Sinais_de_que_a_proteina_pode_estar_em_falta\" >Sinais de que a prote\u00edna pode estar em falta<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Casos_em_que_a_proteina_deve_ser_reduzida\" >Casos em que a prote\u00edna deve ser reduzida<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/#Como_comparar_dois_alimentos_pela_proteina\" >Como comparar dois alimentos pela prote\u00edna<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\"><strong>A percentagem de prote\u00edna \u00e9 dos valores mais vis\u00edveis num saco de ra\u00e7\u00e3o<\/strong> e dos mais mal interpretados. H\u00e1 f\u00f3rmulas com 18% e f\u00f3rmulas com 40%, e nenhuma est\u00e1 errada: servem c\u00e3es diferentes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A prote\u00edna fornece os amino\u00e1cidos que o c\u00e3o utilizausa para construir m\u00fasculo, produzir enzimas e hormonas e manter o sistema imunit\u00e1rio. <strong>Dez s\u00e3o essenciais, ou seja, o organismo n\u00e3o os fabrica e t\u00eam de vir da alimenta\u00e7\u00e3o.<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udd0e <\/strong>As necessidades mudam ao longo da vida. As f\u00f3rmulas de crescimento, como a<a href=\"https:\/\/tiendanimal.pt\/acana-puppy-large-breed-frango-racao-para-caes\/ACAAPL13_M.html\" target=\"_blank\" rel=\"noopener\"> Acana Puppy Large Breed<\/a>, est\u00e3o no topo da escala;. Uuma manuten\u00e7\u00e3o de adulto fica bem abaixo.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quanta_proteina_precisa_um_cao_por_dia\"><\/span><strong>Quanta prote\u00edna precisa um c\u00e3o por dia<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Em gramas, a refer\u00eancia pr\u00e1tica situa-se entre <strong>3,0 e 4,5 gramas de prote\u00edna por quilo de peso corporal por dia<\/strong> num c\u00e3o adulto saud\u00e1vel. Um c\u00e3o de 20 kg precisa, portanto, de algo entre 60 e 90 gramas di\u00e1rios.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O m\u00ednimo absoluto ronda os 2,6 gramas por quilo, mas esse \u00e9 o limiar para evitar car\u00eancias, n\u00e3o um objetivo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A margem existe porque nem toda a prote\u00edna \u00e9 aproveitada da mesma forma. Se a fonte for carne muscular, ovo ou peixe, o c\u00e3o extrai mais amino\u00e1cidos por grama. <strong>Se vier de tecidos conjuntivos ou de fontes vegetais pouco digest\u00edveis, precisa de comer mais para obter o mesmo.<\/strong><\/p>\n\n\n    <style>\n        .product-container{\n            cursor:pointer;\n        }\n        a.producto-titulo{\n            font-size: 13px;line-height: 1.2;height: 62px;margin-bottom: 12px;color: #575757;font-weight:400;display:inline-block;overflow:hidden;font-family: \"Poppins\", sans-serif;\n        }\n        .producto .product-container img{\n            max-height: 126px;\n            width: auto;\n            height: auto;\n        }\n\t.center-product-flex{\n            display:flex;justify-content:center;\n        }\n        .center-product-flex .product-container{\n            max-height: 236px;\n        }\n\t.order-0{\n            -ms-flex-order:0;order:0;\n        }\n        .order-1{\n            -ms-flex-order:1;order:1;\n        }\n        .order-2{\n            -ms-flex-order:2;order:2;\n        }\n        .order-3{\n            -ms-flex-order:3;order:3;\n        }\n        .order-4{\n            -ms-flex-order:4;order:4;\n        }\n        .order-5{\n            -ms-flex-order:5;order:5;\n        }\n        .order-6{\n            -ms-flex-order:6;order:6;\n        }\n        @media (max-width: 480px){\n            a.producto-titulo{\n                font-size: 16px;\n                line-height: 1.3;\n            }\n        }\n    <\/style>\n    <div class=\"clearfix\"><\/div>\n        <div id=\"external-products-ROY1113000_M\" class=\"row external-products producto \" style=\"width:100%; 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Azoto de carne muscular e azoto de queratina de penas contam o mesmo na an\u00e1lise. A percentagem diz quanta prote\u00edna existe, n\u00e3o o que vale.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"> \u26a0\ufe0fUm valor de prote\u00edna bruta s\u00f3 significa alguma coisa quando cruzado com a lista de ingredientes. Se as carnes aparecem nas primeiras posi\u00e7\u00f5es, a digestibilidade costuma acompanhar.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Que_percentagem_e_adequada_em_cada_fase_de_vida\"><\/span><strong>Que percentagem \u00e9 adequada em cada fase de vida<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Os valores de refer\u00eancia europeus apontam para um m\u00ednimo de 18% de prote\u00edna bruta na mat\u00e9ria seca num c\u00e3o adulto de manuten\u00e7\u00e3o. <strong>A maioria das f\u00f3rmulas comerciais fica acima, entre 21% e 26%, o que cria uma margem de seguran\u00e7a.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Fase<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><br><strong>Prote\u00edna bruta (mat\u00e9ria seca)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><br><strong>Porqu\u00ea<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><br>Cachorro<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>25% a 32%<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>Constru\u00e7\u00e3o de m\u00fasculo, osso e sistema imunit\u00e1rio<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><br>Adulto<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>18% m\u00ednimo, 21% a 26% habitual<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>Manuten\u00e7\u00e3o e renova\u00e7\u00e3o de tecidos<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><br>S\u00e9nior<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>25% a 30%<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>Travar a perda de massa muscular<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">O valor do s\u00e9nior costuma surpreender. Durante anos recomendou-se reduzir a prote\u00edna em c\u00e3es idosos para poupar os rins, e hoje sabe-se que \u00e9 um erro em animais saud\u00e1veis: perdem massa muscular e absorvem pior, por isso precisam de mais. Veja o<a href=\"https:\/\/www.tiendanimal.pt\/blog\/guia-de-alimentacao-para-caes-senior\/\"> <strong>guia de alimenta\u00e7\u00e3o para c\u00e3es s\u00e9nior<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nos cachorros de ra\u00e7a grande o cuidado adicional n\u00e3o \u00e9 a prote\u00edna, mas o c\u00e1lcio e o f\u00f3sforo, explicado no artigo sobre<a href=\"https:\/\/www.tiendanimal.pt\/blog\/alimentacao-dos-cachorros-de-racas-grandes\/\"> <\/a><strong><a href=\"https:\/\/www.tiendanimal.pt\/blog\/alimentacao-dos-cachorros-de-racas-grandes\/\">alimenta\u00e7\u00e3o dos cachorros de ra\u00e7as grandes<\/a>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Caes_ativos_e_caes_sedentarios_o_que_muda\"><\/span><strong>C\u00e3es ativos e c\u00e3es sedent\u00e1rios: o que muda<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Um c\u00e3o de desporto gasta mais energia e come mais ra\u00e7\u00e3o, o que por si s\u00f3 aumenta a prote\u00edna que ingere. <strong>Al\u00e9m de reparar microles\u00f5es musculares, parte dela \u00e9 convertida em glicose no f\u00edgado para sustentar o esfor\u00e7o prolongado<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>No c\u00e3o sedent\u00e1rio o problema \u00e9 outro. Ao reduzir a quantidade de ra\u00e7\u00e3o para o fazer emagrecer, reduz-se tudo na mesma propor\u00e7\u00e3o, incluindo a prote\u00edna. <\/strong>Se a f\u00f3rmula n\u00e3o compensar com uma percentagem mais alta, ele perde peso \u00e0 custa de m\u00fasculo em vez de gordura.<\/p>\n\n\n    <style>\n        .product-container{\n            cursor:pointer;\n        }\n        a.producto-titulo{\n            font-size: 13px;line-height: 1.2;height: 62px;margin-bottom: 12px;color: #575757;font-weight:400;display:inline-block;overflow:hidden;font-family: \"Poppins\", sans-serif;\n        }\n        .producto .product-container img{\n            max-height: 126px;\n            width: auto;\n            height: auto;\n        }\n\t.center-product-flex{\n            display:flex;justify-content:center;\n        }\n        .center-product-flex .product-container{\n            max-height: 236px;\n        }\n\t.order-0{\n            -ms-flex-order:0;order:0;\n        }\n        .order-1{\n            -ms-flex-order:1;order:1;\n        }\n        .order-2{\n            -ms-flex-order:2;order:2;\n        }\n        .order-3{\n            -ms-flex-order:3;order:3;\n        }\n        .order-4{\n            -ms-flex-order:4;order:4;\n        }\n        .order-5{\n            -ms-flex-order:5;order:5;\n        }\n        .order-6{\n            -ms-flex-order:6;order:6;\n        }\n        @media (max-width: 480px){\n            a.producto-titulo{\n                font-size: 16px;\n                line-height: 1.3;\n            }\n        }\n    <\/style>\n    <div class=\"clearfix\"><\/div>\n        <div id=\"external-products-ACAAW00_M\" class=\"row external-products producto \" style=\"width:100%; margin:0 auto;display: flex;\">\n            <img decoding=\"async\" id=\"load-products-ACAAW00_M\" src=\"https:\/\/www.tiendanimal.pt\/blog\/wp-content\/themes\/astra-child-ta\/loading.gif\" width=\"50px\">\n        <\/div>\n    <div class=\"clearfix\"><\/div>\n        <script>\n        id_products = \"ACAAW00_M,ORJOA02_M,ACAAP02_M,ACAAS00_M\";\n        id_products = id_products.replace(\/\\s\/g, '');\n        var all_ids = id_products.split(\",\");\n        var not_found_products = 1;\n        var not_found_img_product = 0;\n        var ramdom_id = Math.round(Math.random() * 10000);\n        var grid = '12';\n        var final_products = 0;\n        var num_total_products = all_ids.length;\n        if(!feed){\n            var feed = \"https:\/\/www.tiendanimal.pt\/blog\/wp-content\/themes\/astra-child-ta\/feed-channable.xml\";\n            var request = new XMLHttpRequest();\n            request.open(\"GET\", feed, false);\n            request.send();\n            var xmlFromUrl = request.responseXML;\n            var items = xmlFromUrl.getElementsByTagName(\"item\");\n        }\n        var div_max = 97 \/ num_total_products;\n        var width;\n        if(num_total_products < 2){\n            width = \"auto;margin:0 auto;\";\n        }else if(num_total_products < 3){\n            width = \"240px;margin:0 auto;display:inline-block;\";\n        }else{\n            width = div_max+\"%;margin:0 auto;display:inline-block\";\n        }\n\n        var products_found = 0;\n\t    product_id_found = [];\n        for (var item of items) {\n            all_ids.forEach(function(word, index) {\n\t\t        if (product_id_found.includes(item.getElementsByTagName(\"g:item_group_id\")[0].textContent)) {\n                } else {\n                    if(item.getElementsByTagName(\"g:item_group_id\")[0].textContent == word){\n                        not_found_products = 0;\n                        id_products = item.getElementsByTagName(\"g:item_group_id\")[0].textContent;\n                        var link = item.getElementsByTagName(\"link\")[0].textContent;\n                        var image_link = 'src=\"'+item.getElementsByTagName(\"g:image_link\")[0].textContent+'\" ';\n                        var title = item.getElementsByTagName(\"title\")[0].textContent;\n                        var category = item.getElementsByTagName(\"g:custom_label_1\")[0]?.textContent || \"\";\n                        var product = '<div itemprop=\"offers\" itemscope itemtype=\"http:\/\/schema.org\/Offer\" class=\"product-container order-'+index+'\" style=\"width:'+width+'\" onclick=\"dataLayer.push({\\'event\\':\\'crosseling_product_click\\', \\'event_name\\':\\'crosseling_product_click\\', \\'action\\':\\'body\\', \\'category\\':\\''+category+'\\', \\'link_text\\':\\'\u00a1Lo quiero!\\', \\'link_url\\': \\''+link+'\\', \\'product_name\\': \\''+title+'\\'});window.open(\\''+link+'\\');\"><img '+image_link+' alt=\"'+title+'\" width=\"90%\" \/><a href=\"'+link+'\" itemprop=\"name\" class=\"producto-titulo\" data-test=\"test\"  target=\"_blank\">'+title+'<\/a><button class=\"producto-boton\" style=\"width:100%;border-radius:3px;padding:5px;\">Ver produto<\/button><\/div>';\n                        var grid_div = document.getElementById(\"external-products-ACAAW00_M\");\n                        grid_div.innerHTML += product;\n                        products_found++;\n                        product_id_found.push(item.getElementsByTagName(\"g:item_group_id\")[0].textContent);\n                    }\n                }\n            });\n            if(products_found == all_ids.length){\n                break;\n            }\n        }\n        document.getElementById(\"load-products-ACAAW00_M\").style.display = \"none\";\n        <\/script>\n    \n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Um_valor_alto_de_proteina_e_sempre_melhor\"><\/span><strong>Um valor alto de prote\u00edna \u00e9 sempre melhor<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00e3o. O c\u00e3o n\u00e3o tem forma de armazenar prote\u00edna, ao contr\u00e1rio do que acontece com a gordura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quando ingere mais do que consegue usar, o f\u00edgado remove o grupo azotado de cada amino\u00e1cido excedente, converte-o em ureia e os rins eliminam-na pela urina.<\/strong> O carbono que sobra \u00e9 queimado como energia ou armazenado como gordura.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Numa f\u00f3rmula de 40% ou 50% sem indica\u00e7\u00e3o cl\u00ednica, o resultado \u00e9 dinheiro gasto em amino\u00e1cidos que acabam como combust\u00edvel. <\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f <strong>Em c\u00e3es saud\u00e1veis os \u00f3rg\u00e3os processam o excesso sem danos vis\u00edveis, mas o benef\u00edcio \u00e9 nulo.<\/strong> Uma prote\u00edna moderada e muito digest\u00edvel rende mais do que uma alta e mal aproveitada.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Sinais_de_que_a_proteina_pode_estar_em_falta\"><\/span><strong>Sinais de que a prote\u00edna pode estar em falta<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O primeiro sinal aparece na pele e no pelo, feitos de queratina e grandes consumidores da prote\u00edna ingerida: <strong>pelo ba\u00e7o, quebradi\u00e7o, com queda desigual, e feridas que demoram a fechar.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depois vem a perda de massa muscular, vis\u00edvel sobretudo na cabe\u00e7a e nos membros posteriores, mesmo quando o c\u00e3o n\u00e3o parece magro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Em quadros graves, a albumina do sangue desce e o l\u00edquido passa dos vasos para os tecidos, o que provoca incha\u00e7o nas patas ou distens\u00e3o abdominal. <\/strong>Nesse ponto \u00e9 urg\u00eancia veterin\u00e1ria.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udea8 Nem sempre a causa \u00e9 a dieta. H\u00e1 doen\u00e7as intestinais em que o c\u00e3o come o suficiente, mas perde prote\u00edna pelas fezes, e o quadro s\u00f3 se resolve tratando a causa.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Casos_em_que_a_proteina_deve_ser_reduzida\"><\/span><strong>Casos em que a prote\u00edna deve ser reduzida<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e1 duas situa\u00e7\u00f5es cl\u00ednicas em que reduzir \u00e9 parte do tratamento, e nenhuma delas se decide sem veterin\u00e1rio.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A <strong>doen\u00e7a renal cr\u00f3nica<\/strong> \u00e9 a mais frequente, sobretudo em c\u00e3es idosos. \u00c0 medida que o rim perde capacidade de filtrar, os res\u00edduos azotados acumulam-se e provocam n\u00e1useas, v\u00f3mitos e apatia. Baixar a prote\u00edna alivia a carga sobre os nefr\u00f3nios que ainda funcionam, e o grau de restri\u00e7\u00e3o depende do est\u00e1dio.<\/li>\n\n\n\n<li>A <strong>doen\u00e7a hep\u00e1tica grave<\/strong>, incluindo os shunts portossist\u00e9micos, \u00e9 a segunda. Sem f\u00edgado a converter am\u00f3nia em ureia, essa am\u00f3nia chega ao c\u00e9rebro e provoca desorienta\u00e7\u00e3o e convuls\u00f5es. Aqui muda tamb\u00e9m o tipo de prote\u00edna, com prefer\u00eancia por fontes l\u00e1cteas ou vegetais.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Em ambos os casos s\u00e3o dietas veterin\u00e1rias prescritas, nunca uma ra\u00e7\u00e3o comum escolhida por ter menos prote\u00edna no r\u00f3tulo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Como_comparar_dois_alimentos_pela_proteina\"><\/span><strong>Como comparar dois alimentos pela prote\u00edna<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Este \u00e9 o erro mais comum de todos: comparar a percentagem de uma ra\u00e7\u00e3o seca com a de uma lata como se fossem equivalentes. N\u00e3o s\u00e3o, por causa da \u00e1gua.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A declara\u00e7\u00e3o de humidade s\u00f3 \u00e9 obrigat\u00f3ria acima de 14%, por isso as ra\u00e7\u00f5es secas raramente a indicam, enquanto as h\u00famidas sempre o fazem. Para comparar, converta ambos os valores para mat\u00e9ria seca:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Prote\u00edna na mat\u00e9ria seca = percentagem do r\u00f3tulo \u00f7 (100 \u2212 humidade) \u00d7 100<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Alimento<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><br><strong>No r\u00f3tulo<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Humidade<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><br><strong>Na mat\u00e9ria seca<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><br>Ra\u00e7\u00e3o seca<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>25%<\/td><td class=\"has-text-align-center\" data-align=\"center\">10%<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>27,8%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><br>Comida h\u00famida<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>10%<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>80%<\/td><td class=\"has-text-align-center\" data-align=\"center\"><br>50%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">A lata que aparentava ter 10% tem, afinal, quase o dobro da prote\u00edna da ra\u00e7\u00e3o seca. Sem fazer esta conta, a compara\u00e7\u00e3o leva sempre \u00e0 conclus\u00e3o errada.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depois disto, olhe para a lista de ingredientes. O artigo sobre<a href=\"https:\/\/www.tiendanimal.pt\/blog\/como-ler-os-rotulos-dos-alimentos-para-animais\/\"> <strong>como ler os r\u00f3tulos<\/strong><\/a> explica a ordem de declara\u00e7\u00e3o, e o de<a href=\"https:\/\/www.tiendanimal.pt\/blog\/o-que-e-uma-racao-extrudida-e-o-que-e-uma-racao-prensada-em-frio\/\"> <strong>ra\u00e7\u00f5es extrudidas e prensadas a frio<\/strong><\/a> mostra como o processo afeta a disponibilidade dos amino\u00e1cidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Escolha a percentagem pela fase de vida do seu c\u00e3o, confirme a origem da prote\u00edna na lista de ingredientes e converta sempre para mat\u00e9ria seca antes de comparar. Se mudar de f\u00f3rmula, fa\u00e7a a<a href=\"https:\/\/www.tiendanimal.pt\/blog\/como-mudar-corretamente-a-racao-dos-caes\/\"> <strong>transi\u00e7\u00e3o em sete a dez dias<\/strong><\/a>. E se tiver d\u00favidas sobre qual escolher, o guia<a href=\"https:\/\/www.tiendanimal.pt\/blog\/como-escolher-uma-racao-para-o-meu-cao\/\"> <\/a><strong><a href=\"https:\/\/www.tiendanimal.pt\/blog\/como-escolher-uma-racao-para-o-meu-cao\/\">como escolher uma ra\u00e7\u00e3o<\/a> <\/strong>ajuda a decidir.<\/p>\n\n\n\n<p class=\"has-text-align-center has-background wp-block-paragraph\" style=\"background-color:#e6f5db\">Se precisar de algo para o seu animal de estima\u00e7\u00e3o, na <a href=\"https:\/\/www.tiendanimal.pt\/\"><strong>Tiendanimal<\/strong> <\/a>queremos ajud\u00e1-lo. <strong><a href=\"https:\/\/www.tiendanimal.pt\/nossas-lojas?showMap=true&amp;horizontalView=true&amp;isForm=true\">Encontre a sua loja mais pr\u00f3xima<\/a><\/strong> ou se preferir, fa\u00e7a a sua encomenda na nossa loja online especializada em produtos para animais de estima\u00e7\u00e3o, e n\u00e3o perca as nossas <strong><a href=\"https:\/\/www.tiendanimal.pt\/promocoes\/\">promo\u00e7\u00f5es!<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A percentagem de prote\u00edna \u00e9 dos valores mais vis\u00edveis num saco de ra\u00e7\u00e3o e dos mais mal interpretados. H\u00e1 f\u00f3rmulas com 18% e f\u00f3rmulas com &#8230; <a title=\"Prote\u00ednas para c\u00e3es: quanta prote\u00edna precisa o seu c\u00e3o\" class=\"read-more\" href=\"https:\/\/www.tiendanimal.pt\/blog\/proteinas-para-caes-quanta-proteina-precisa-o-seu-cao\/\">Ler mais<\/a><\/p>\n","protected":false},"author":44,"featured_media":13745,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-13740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-caes","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-33"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-scaled.jpg",2560,1707,false],"thumbnail":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-150x150.jpg",150,150,true],"medium":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-768x512.jpg",768,512,true],"large":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-1024x683.jpg",1024,683,true],"1536x1536":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-1536x1024.jpg",1536,1024,true],"2048x2048":["https:\/\/www.tiendanimal.pt\/blog\/wp-content\/uploads\/2026\/10\/pexels-alexasfotos-9751425-2-2048x1365.jpg",2048,1365,true]},"uagb_author_info":{"display_name":"sara","author_link":"https:\/\/www.tiendanimal.pt\/blog\/author\/sara\/"},"uagb_comment_info":0,"uagb_excerpt":"A percentagem de prote\u00edna \u00e9 dos valores mais vis\u00edveis num saco de ra\u00e7\u00e3o e dos mais mal interpretados. H\u00e1 f\u00f3rmulas com 18% e f\u00f3rmulas com ... Ler mais","_links":{"self":[{"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/posts\/13740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/users\/44"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/comments?post=13740"}],"version-history":[{"count":4,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/posts\/13740\/revisions"}],"predecessor-version":[{"id":13744,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/posts\/13740\/revisions\/13744"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/media\/13745"}],"wp:attachment":[{"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/media?parent=13740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/categories?post=13740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tiendanimal.pt\/blog\/wp-json\/wp\/v2\/tags?post=13740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}