{"id":17190,"date":"2025-01-21T17:33:07","date_gmt":"2025-01-21T16:33:07","guid":{"rendered":"https:\/\/provisorio1000.com.br\/combatendo-o-deoxinivalenol-na-pecuaria-leiteira\/"},"modified":"2026-04-30T01:55:50","modified_gmt":"2026-04-29T23:55:50","slug":"combatendo-o-deoxinivalenol-na-pecuaria-leiteira","status":"publish","type":"post","link":"https:\/\/provisorio1000.com.br\/pt-br\/combatendo-o-deoxinivalenol-na-pecuaria-leiteira\/","title":{"rendered":"Combatendo o Deoxinivalenol na Pecu\u00e1ria Leiteira"},"content":{"rendered":"&#13;\n<p class=\"wp-block-paragraph\">January 21, 2024<\/p>&#13;\n&#13;\n<p class=\"wp-block-paragraph\">Tempo de leitura: 2 minutos<\/p>&#13;\n&#13;\n<p class=\"wp-block-paragraph\"><strong>Nesta Myco&#8217;News, destacamos descobertas recentes sobre o deoxinivalenol (DON), que representa amea\u00e7as significativas \u00e0 sa\u00fade das vacas leiteiras, \u00e0 fun\u00e7\u00e3o ruminal e \u00e0 produ\u00e7\u00e3o de leite. Aqui est\u00e3o os tr\u00eas principais insights de pesquisas recentes realizadas in vivo na China:<span class=\"EOP SCXW211998339 BCX0\" data-ccp-props=\"{\"> <\/span><\/strong><\/p>&#13;\n<h3><span class=\"TextRun SCXW198818028 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"auto\"><span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">Disruption of<\/span> <span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">r<\/span><span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">umen <\/span><span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">f<\/span><span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">unction and <\/span><span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">m<\/span><span class=\"NormalTextRun SCXW198818028 BCX0\" data-ccp-charstyle=\"Strong\">icrobiota<\/span><\/span><span class=\"LineBreakBlob BlobObject DragDrop SCXW198818028 BCX0\"><span class=\"SCXW198818028 BCX0\">\u00a0<\/span><\/span><\/h3>&#13;\n<p><span class=\"TextRun SCXW198818028 BCX0\" lang=\"EN-US\" data-contrast=\"auto\" xml:lang=\"EN-US\">A contamina\u00e7\u00e3o por DON na ra\u00e7\u00e3o perturba significativamente a fermenta\u00e7\u00e3o ruminal. Ela reduz os \u00e1cidos graxos vol\u00e1teis (AGVs), como propionato e butirato, que s\u00e3o essenciais para a produ\u00e7\u00e3o de energia em ruminantes. Al\u00e9m disso, o DON altera o ecossistema microbiano no r\u00famen, reduzindo bact\u00e9rias ben\u00e9ficas como <\/span>Lachnospiraceae e Butyrivibrio. Essas perturba\u00e7\u00f5es reduzem a efici\u00eancia da digest\u00e3o de nutrientes e, por fim, afetam a produ\u00e7\u00e3o de leite.<span class=\"EOP SCXW198818028 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>&#13;\n<p>\u00a0<\/p>&#13;\n<p><\/p>&#13;\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-16796 size-medium\" src=\"https:\/\/provisorio1000.com.br\/wp-content\/uploads\/2025\/01\/Capture-decran-2025-01-21-173155-300x177.png\" alt=\"\" width=\"300\" height=\"177\" srcset=\"https:\/\/provisorio1000.com.br\/wp-content\/uploads\/2025\/01\/Capture-decran-2025-01-21-173155-300x177.png 300w, https:\/\/provisorio1000.com.br\/wp-content\/uploads\/2025\/01\/Capture-decran-2025-01-21-173155.png 646w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>&#13;\n<p><\/p>&#13;\n<p class=\"wp-block-paragraph\"><em><span class=\"TextRun SCXW180004835 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW180004835 BCX0\" data-ccp-parastyle=\"caption\">Figura <\/span><\/span><span class=\"FieldRange SCXW180004835 BCX0\"><span class=\"TextRun SCXW180004835 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\"><span class=\"NormalTextRun SCXW180004835 BCX0\" data-ccp-parastyle=\"caption\">1<\/span><\/span><\/span><span class=\"TextRun SCXW180004835 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-contrast=\"none\">Al\u00e9m das perdas de produ\u00e7\u00e3o, o DON eleva os indicadores de estresse oxidativo (EROs) e marcadores inflamat\u00f3rios (TNF-\u03b1, IL-1\u03b2 e IFN-\u03b3). A resposta imune das vacas tamb\u00e9m foi negativamente afetada pelo DON, aumentando IgG e complemento 4 (C4).<\/span><span class=\"EOP SCXW180004835 BCX0\" data-ccp-props=\"{\"> <\/span><\/em><\/p>&#13;\n<h3><span data-contrast=\"auto\">Diet matters: High-starch risks<\/span>\u00a0<\/h3>&#13;\n<p><span data-contrast=\"auto\">Altos n\u00edveis de amido nos TMRs agravam os efeitos negativos do DON. Essas dietas promovem acidose ruminal, aumentam o desequil\u00edbrio microbiano e reduzem a capacidade de detoxifica\u00e7\u00e3o do DON. Dietas ricas em amido contaminadas por DON levaram a uma queda acentuada na produ\u00e7\u00e3o de leite e a um maior estresse oxidativo em compara\u00e7\u00e3o com TMRs de baixo amido.  <\/span><span data-ccp-props=\"{\"> <\/span><\/p>&#13;\n<h3><span data-contrast=\"auto\">Health Implications and Prevention<\/span>\u00a0<\/h3>&#13;\n<p><span data-contrast=\"auto\">Al\u00e9m das perdas de produ\u00e7\u00e3o, o DON eleva os indicadores de estresse oxidativo (EROs) e marcadores inflamat\u00f3rios (TNF-\u03b1, IL-1\u03b2 e IFN-\u03b3). A resposta imune das vacas tamb\u00e9m foi negativamente afetada pelo DON, aumentando IgG e complemento 4 (C4).  <\/span><span data-ccp-props=\"{\"> <\/span><\/p>&#13;\n<p><span class=\"TextRun SCXW58972026 BCX0\" lang=\"EN-US\" data-contrast=\"auto\" xml:lang=\"EN-US\">Estrat\u00e9gias eficazes para mitigar o impacto do DON incluem otimizar a composi\u00e7\u00e3o da ra\u00e7\u00e3o, monitorar regularmente os n\u00edveis de contamina\u00e7\u00e3o por DON nas ra\u00e7\u00f5es e incorporar um agente detoxificante. Manter uma dieta equilibrada, especialmente com menor teor de amido, \u00e9 essencial para reduzir a gravidade dos efeitos do DON sobre a sa\u00fade ruminal e o bem-estar geral das vacas.<\/span><span class=\"EOP SCXW58972026 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>&#13;\n<p>\u00a0<\/p>&#13;\n<p><\/p>&#13;\n<p class=\"wp-block-paragraph\"><\/p>&#13;\n<p class=\"wp-block-paragraph\">Refer\u00eancia: <span class=\"TextRun SCXW65936048 BCX0\" lang=\"EN-US\" data-contrast=\"none\" xml:lang=\"EN-US\"><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\" data-ccp-parastyle-defn=\"{\" objectid=\"\" sil=\"\">Dong J<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">., Zhao Z., Wang Z., Li S., Zhang Y., Sun Z., Qin G., Zhang<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\"> X., Zhao W. <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">Demelash<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\"> N<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">., Wang <\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">T.<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\"> and Zhen Y. 2024. Impact of deoxynivalenol on rumen function, production, and health<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\"> of dairy cows: Insights from metabolomics and microbiota analysis<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">. Journal of <\/span><span class=\"NormalTextRun SpellingErrorV2Themed SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">Hazardoud<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\"> Materials, <\/span> <\/span><span class=\"TextRun SCXW65936048 BCX0\" lang=\"EN-US\" data-contrast=\"none\" xml:lang=\"EN-US\"><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">465<\/span><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">. <\/span> <\/span><span class=\"TextRun SCXW65936048 BCX0\" lang=\"ES-ES\" data-contrast=\"none\" xml:lang=\"ES-ES\"><span class=\"NormalTextRun SCXW65936048 BCX0\" data-ccp-parastyle=\"Default\">https:\/\/doi.org\/10.1016\/j.jhazmat.2023.133376<\/span><\/span><span class=\"EOP SCXW65936048 BCX0\" data-ccp-props=\"{\"> <\/span><\/p>&#13;\n<p><\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#13; January 21, 2024 &#13; &#13; Tempo de leitura: 2 minutos &#13; &#13; Nesta Myco&#8217;News, destacamos descobertas recentes sobre o deoxinivalenol (DON), que representa amea\u00e7as significativas \u00e0 sa\u00fade das vacas&#8230;<\/p>\n","protected":false},"author":3,"featured_media":17192,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93,89,91,92,88,74],"tags":[],"class_list":["post-17190","post","type-post","status-publish","format-standard","has-post-thumbnail","category-myco-news-pt-br-4","category-myco-news-pt-br","category-myco-news-pt-br-2","category-myco-news-pt-br-3","category-myconews-pt-br","category-nao-categorizado"],"_links":{"self":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts\/17190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/comments?post=17190"}],"version-history":[{"count":1,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts\/17190\/revisions"}],"predecessor-version":[{"id":17194,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/posts\/17190\/revisions\/17194"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/media\/17192"}],"wp:attachment":[{"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/media?parent=17190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/categories?post=17190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/provisorio1000.com.br\/pt-br\/wp-json\/wp\/v2\/tags?post=17190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}