{"id":4507,"date":"2024-07-26T08:22:08","date_gmt":"2024-07-26T07:22:08","guid":{"rendered":"https:\/\/kfm-kasachstan.net\/?p=4507"},"modified":"2024-07-24T08:27:06","modified_gmt":"2024-07-24T07:27:06","slug":"hitzestress-beeinflusst-mikrobiom-bei-kaelbern","status":"publish","type":"post","link":"https:\/\/kfm-kasachstan.net\/?p=4507","title":{"rendered":"Hitzestress beeinflusst Mikrobiom bei K\u00e4lbern"},"content":{"rendered":"<p>Aktuelle Studien zeigen, dass sich Hitzestress negativ auf die Darmbarriere auswirkt und mit lokalen sowie systemischen Entz\u00fcndungen und einem Ungleichgewicht von verschiedenen Bakterien (Dysbiose) des Darms einhergeht. Ziel der betrachteten Studie war es, entz\u00fcndungsf\u00f6rdernde und -hemmende Signale sowie die Zusammensetzung der Mikrobioms bei Holstein-Bullenk\u00e4lbern zu untersuchen, die Hitzestress ausgesetzt waren.<\/p>\n<p>Gut entwickelte, 12 Wochen alte K\u00e4lber, die einzeln in temperaturgeregelten R\u00e4umen untergebracht waren, wurden sieben Tage lang bei thermoneutralen Bedingungen mit einer vergleichbaren Gruppe unter Hitzestressbedingungen verglichen.<\/p>\n<p>Nach Abschluss der Behandlung analysierten die Wissenschaftler die durch Hitzestress hervorgerufene Ver\u00e4nderung der Bakteriengemeinschaften im Dickdarm. Besonders auff\u00e4llig waren eine Zunahme der Gattung Butyrivibrio spp. sowie Ver\u00e4nderungen im bakteriellen Stoffwechsel. Ebenfalls wurde eine starke positive Korrelation zwischen der Rektaltemperatur und entz\u00fcndungsf\u00f6rdernden Eggerthii spp. festgestellt.<\/p>\n<p>Diese Arbeit weist darauf hin, dass Hitzestress die Darmbarrierefunktion beeintr\u00e4chtigt. Gleichzeitig k\u00f6nnte die Zunahme von butyratproduzierender Organismen im Dickdarm von Hitzestress-K\u00e4lbern eine erfolgreiche Reaktion zur Erhaltung der Dickdarmschleimhautfunktion anzeigen, denn die Butyrivibrio-Arten z\u00e4hlen zu den entz\u00fcndungshemmenden Darmbakterien.<\/p>\n<p>Uwe Weddige mit Material von Dr. Heike Engels<\/p>\n<p>Foto: KFM<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aktuelle Studien zeigen, dass sich Hitzestress negativ auf die Darmbarriere  [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":4509,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[9],"tags":[],"post_folder":[],"class_list":["post-4507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-de"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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