{"id":3007,"date":"2026-02-16T14:12:29","date_gmt":"2026-02-16T13:12:29","guid":{"rendered":"https:\/\/tech-complex.com\/butirats-en-remugants-joves-bases-fisiologiques-formes-tecnologiques-i-criteris-dus\/"},"modified":"2026-02-16T14:12:29","modified_gmt":"2026-02-16T13:12:29","slug":"butirats-en-remugants-joves-bases-fisiologiques-formes-tecnologiques-i-criteris-dus","status":"publish","type":"post","link":"https:\/\/tech-complex.com\/ca\/butirats-en-remugants-joves-bases-fisiologiques-formes-tecnologiques-i-criteris-dus\/","title":{"rendered":"Butirats en remugants joves: bases fisiol\u00f2giques, formes tecnol\u00f2giques i criteris d\u2019\u00fas"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">El butirat (\u00e0cid but\u00edric i les seves sals) \u00e9s un \u00e0cid gras de cadena curta rellevant en el desenvolupament del tracte gastrointestinal (TGI) i del rumen en vedells, especialment durant la transici\u00f3 des d\u2019una nutrici\u00f3 l\u00edquida a un major consum de s\u00f2lid.<\/p>\n<h2><strong>Fisiologia: per qu\u00e8 s\u00f3n importants els butirats en vedells<\/strong><\/h2>\n<p style=\"text-align: justify;\">En n\u00e9ixer, tot i que el vedell t\u00e9 els quatre compartiments g\u00e0strics, el rumen\/reticle est\u00e0 poc desenvolupat i l\u2019abom\u00e0s \u00e9s el compartiment funcional predominant.<\/p>\n<p style=\"text-align: justify;\">En les primeres setmanes, la llet o llet maternitzada tendeix a derivar cap a l\u2019abom\u00e0s (solc esof\u00e0gic), de manera que el seu impacte directe en la fermentaci\u00f3 ruminal \u00e9s limitat i el desenvolupament ruminal dep\u00e8n en gran mesura de la instauraci\u00f3 del consum de pinso i de la fermentaci\u00f3 d\u2019aquest substrat.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2872 aligncenter\" src=\"https:\/\/tech-complex.com\/wp-content\/uploads\/2025\/11\/ternero-lactante-300x200.png\" alt=\"\" width=\"300\" height=\"200\"><\/p>\n<p style=\"text-align: justify;\">El desenvolupament ruminal preco\u00e7 s\u2019associa a una millor utilitzaci\u00f3 del pinso s\u00f2lid i a una adaptaci\u00f3 m\u00e9s estable al deslletament, i es descriu que els AGV derivats de la fermentaci\u00f3 del s\u00f2lid s\u00f3n est\u00edmuls clau de l\u2019epiteli ruminal, amb una rellev\u00e0ncia especial del butirat.<\/p>\n<h2><strong>Qu\u00e8 entenem per \u00abbutirat\u00bb<\/strong><\/h2>\n<p style=\"text-align: justify;\">En nutrici\u00f3 animal, \u00abbutirats\u00bb sol referir-se a sals de l\u2019\u00e0cid but\u00edric (p. ex., butirat s\u00f2dic o c\u00e0lcic) que poden generar \u00e0cid but\u00edric al TGI en funci\u00f3 de l\u2019equilibri \u00e0cid\u2013base.<br \/>Qu\u00edmicament, l\u2019\u00e0cid but\u00edric presenta un pKa de 4,8 i les seves sals inclouen propietats de formulaci\u00f3 diferents (p. ex., f\u00f3rmules, pesos moleculars i difer\u00e8ncies d\u2019higroscopicitat).<br \/>Aquestes difer\u00e8ncies fisicoqu\u00edmiques condicionen aspectes pr\u00e0ctics com la manejabilitat, l\u2019olor i la cin\u00e8tica d\u2019alliberament, fet que influeix en l\u2019elecci\u00f3 de la forma segons el vehicle (llet maternitzada vs. pinso iniciador).<\/p>\n<h2><strong>Formes tecnol\u00f2giques i alliberament<\/strong><\/h2>\n<p style=\"text-align: justify;\">En remugants joves s\u2019utilitzen formats no protegits i formats protegits (p. ex., pols recoberta o recobriments tipus \u00abfilm\u00bb o \u00abmatriu\u00bb) per modular l\u2019alliberament al llarg del tracte digestiu i adaptar el perfil a la llet maternitzada o al pinso iniciador.<\/p>\n<p style=\"text-align: justify;\">En els conceptes de \u00abmatrix coated\u00bb descrits, la concentraci\u00f3 de butirat en el microgr\u00e0nul afecta la velocitat d\u2019alliberament (formaci\u00f3 de canals i difusi\u00f3), cosa que permet dissenyar perfils m\u00e9s r\u00e0pids o sostinguts.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2982 aligncenter\" src=\"https:\/\/tech-complex.com\/wp-content\/uploads\/2026\/02\/Cristal-transparente-con-capa-protectora-200x300.png\" alt=\"\" width=\"200\" height=\"300\"><\/p>\n<p style=\"text-align: justify;\">El recobriment tamb\u00e9 s\u2019utilitza per reduir l\u2019olor caracter\u00edstic del butirat i facilitar-ne l\u2019\u00fas a f\u00e0brica i en mescles.<\/p>\n<h2><strong>Efectes esperats i criteris d\u2019\u00fas en camp<\/strong><\/h2>\n<p style=\"text-align: justify;\">Una estrat\u00e8gia freq\u00fcent \u00e9s treballar en dos moments: aportaci\u00f3 en llet maternitzada (fase l\u00edquida, sovint en una forma adequada per a aquest medi) i aportaci\u00f3 en iniciador (fase s\u00f2lida), buscant acompanyar la maduraci\u00f3 del TGI i l\u2019augment del consum de s\u00f2lid.<\/p>\n<p style=\"text-align: justify;\">Els principals mecanismes funcionals atribu\u00efts al butirat s\u00f3n: suport energ\u00e8tic de l\u2019epiteli (incloses les papil\u00b7les ruminals), est\u00edmul del desenvolupament de la mucosa ruminal i efectes sobre la barrera intestinal (unions estretes) i la capa de mucina, a m\u00e9s de la modulaci\u00f3 de la microbiota i la immunitat.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2876 aligncenter\" src=\"https:\/\/tech-complex.com\/wp-content\/uploads\/2025\/11\/Butiratos-en-intestino-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\"><\/p>\n<p style=\"text-align: justify;\">Tamb\u00e9 s\u2019han descrit efectes sobre el desenvolupament ruminal (p. ex., papil\u00b7les) i par\u00e0metres productius (p. ex., ADG\/FCR) en assaigs amb vedells suplementats (Heinrichs, 2005; Mentschel et al., 2001; G\u00f3rka et al., 2009\/2011).<\/p>\n<p><strong>Bibliografia<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">Heinrichs, A.J. (2005). \u201cRumen Development in the Dairy Calf.\u201d <em>Advances in Dairy Technology<\/em>, Vol. 17, p. 179. Texto completo (PDF): <a href=\"https:\/\/wcds.ualberta.ca\/wcds\/wp-content\/uploads\/sites\/57\/wcds_archive\/Archive\/2005\/Manuscripts\/Heinrichs.pdf\">Rumen Development in the Dairy Calf<\/a>  <\/li>\n<li style=\"text-align: justify;\">Mentschel, J.; Leiser, R.; M\u00fclling, C.; Pfarrer, C.; Claus, R. (2001). \u201cButyric acid stimulates rumen mucosa development in the calf mainly by a reduction of apoptosis.\u201d <em>Archives of Animal Nutrition<\/em> (Arch Tierernahr), 55(2):85\u2013102.<br \/>\nDOI: <a href=\"https:\/\/doi.org\/10.1080\/17450390109386185\">https:\/\/doi.org\/10.1080\/17450390109386185<\/a><\/li>\n<li style=\"text-align: justify;\">G\u00f3rka, P. et al. (2009). \u201cEffect of sodium butyrate supplementation in milk replacer and starter diet on rumen development in rearing calves.\u201d <em>Journal of Physiology and Pharmacology<\/em> (suplemento).<br \/>\nPubMed: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19996481\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/19996481\/<\/a> \u200b<\/li>\n<li style=\"text-align: justify;\">Guilloteau, P.; Zabielski, R.; Blum, J.W. (2009). \u201cGastrointestinal tract and digestion in the young ruminant.\u201d <em>Journal of Physiology and Pharmacology<\/em> (suplemento).<br \/>\nPubMed: <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/19996480\/\">https:\/\/pubmed.ncbi.nlm.nih.gov\/19996480\/<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; &nbsp; El butirat (\u00e0cid but\u00edric i les seves sals) \u00e9s un \u00e0cid gras de cadena curta rellevant en el desenvolupament del tracte gastrointestinal (TGI) i del rumen en vedells, especialment durant la transici\u00f3 des d\u2019una nutrici\u00f3 l\u00edquida a un major consum de s\u00f2lid. Fisiologia: per qu\u00e8 s\u00f3n importants els butirats en vedells En n\u00e9ixer, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[150],"tags":[],"class_list":["post-3007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-remugants"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Butirats en remugants joves: bases fisiol\u00f2giques, formes tecnol\u00f2giques i criteris d\u2019\u00fas - TECH-COMPLEX<\/title>\n<meta name=\"description\" content=\"Qu\u00e8 s\u00f3n els butirats en vedells, com actuen sobre el rumen i l\u2019intest\u00ed i quins criteris t\u00e8cnics cal utilitzar per escollir la sal i la forma protegida.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tech-complex.com\/ca\/butirats-en-remugants-joves-bases-fisiologiques-formes-tecnologiques-i-criteris-dus\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Butirats en remugants joves: bases fisiol\u00f2giques, formes tecnol\u00f2giques i criteris d\u2019\u00fas - 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