{"id":16165,"date":"2020-05-06T01:53:17","date_gmt":"2020-05-06T01:53:17","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=16165"},"modified":"2020-05-06T01:53:17","modified_gmt":"2020-05-06T01:53:17","slug":"seaweed-diet-reduces-cow-burps-and-climate-impact","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/environmental-science\/seaweed-diet-reduces-cow-burps-and-climate-impact\/","title":{"rendered":"\u0158asov\u00e1 dieta sni\u017euje \u0159\u00edh\u00e1n\u00ed krav a dopady na klima"},"content":{"rendered":"<h2 class=\"wp-block-heading\">\u0158asov\u00e1 dieta sni\u017euje \u0159\u00edh\u00e1n\u00ed krav a dopady na klima<\/h2>\n\n<h2 class=\"wp-block-heading\">Obavy t\u00fdkaj\u00edc\u00ed se sklen\u00edkov\u00fdch plyn\u016f a hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at<\/h2>\n\n<p>Hospod\u00e1\u0159sk\u00e1 zv\u00ed\u0159ata, zejm\u00e9na kr\u00e1vy, v\u00fdznamn\u011b p\u0159isp\u00edvaj\u00ed k emis\u00edm sklen\u00edkov\u00fdch plyn\u016f. Jejich \u0159\u00edh\u00e1n\u00ed uvol\u0148uje metan, siln\u00fd sklen\u00edkov\u00fd plyn s oteplovac\u00edm \u00fa\u010dinkem 25kr\u00e1t v\u011bt\u0161\u00edm ne\u017e oxid uhli\u010dit\u00fd. Sn\u00ed\u017een\u00ed emis\u00ed metanu z hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at je z\u00e1sadn\u00ed pro zm\u00edrn\u011bn\u00ed zm\u011bny klimatu.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0158asy jako strategie zm\u00edrn\u011bn\u00ed metanu<\/h2>\n\n<p>Ned\u00e1vn\u00e9 studie uk\u00e1zaly, \u017ee p\u0159id\u00e1n\u00ed \u0159as do krmiva pro kr\u00e1vy m\u016f\u017ee \u00fa\u010dinn\u011b sn\u00ed\u017eit emise metanu. Studie prok\u00e1zaly sn\u00ed\u017een\u00ed a\u017e o 82 % u metanov\u00fdch \u0159\u00edh\u00e1n\u00ed, kdy\u017e kr\u00e1vy konzumovaly 1,5 a\u017e 3 unce \u0159as denn\u011b po dobu 21 t\u00fddn\u016f.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00fdhody dopl\u0148ov\u00e1n\u00ed \u0159asami<\/h2>\n\n<p>Krom\u011b sni\u017eov\u00e1n\u00ed emis\u00ed metanu p\u0159in\u00e1\u0161\u00ed dopl\u0148ov\u00e1n\u00ed \u0159asami dal\u0161\u00ed v\u00fdhody pro kr\u00e1vy:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Zv\u00fd\u0161en\u00e1 \u00fa\u010dinnost krmiva:<\/strong> Kr\u00e1vy s \u0159asami obohacenou stravou p\u0159em\u011b\u0148uj\u00ed krmivo na t\u011blesnou hmotnost o 20 % efektivn\u011bji, co\u017e sni\u017euje mno\u017estv\u00ed krmiva pot\u0159ebn\u00e9ho k dosa\u017een\u00ed tr\u017en\u00ed hmotnosti.<\/li>\n<li><strong>\u017d\u00e1dn\u00e9 nep\u0159\u00edzniv\u00e9 \u00fa\u010dinky na r\u016fst:<\/strong> V\u00fdzkum nazna\u010duje, \u017ee sn\u00ed\u017een\u00ed metanu dosa\u017een\u00e9 dopl\u0148ov\u00e1n\u00edm \u0159asami nejde na \u00fakor schopnosti krav p\u0159ib\u00edrat na v\u00e1ze.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Praktick\u00e9 v\u00fdzvy a omezen\u00ed<\/h2>\n\n<p>P\u0159esto\u017ee krmen\u00ed \u0159asami slibuje sn\u00ed\u017een\u00ed emis\u00ed metanu ve v\u00fdkrmn\u00e1ch, kde jsou kr\u00e1vy rychle vykrmov\u00e1ny p\u0159ed por\u00e1\u017ekou, \u010del\u00ed v\u00fdzv\u00e1m v syst\u00e9mech chovu zv\u00ed\u0159at na pastvin\u00e1ch:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Prakti\u010dnost na pastvin\u00e1ch:<\/strong> Kr\u00e1vy tr\u00e1v\u00ed jen malou \u010d\u00e1st sv\u00e9ho \u017eivota ve v\u00fdkrmn\u00e1ch, co\u017e p\u0159edstavuje pouze 11 % jejich emis\u00ed metanu. Dod\u00e1vat \u0159asov\u00e9 dopl\u0148ky krav\u00e1m pasouc\u00edm se na otev\u0159en\u00fdch pastvin\u00e1ch z\u016fst\u00e1v\u00e1 praktickou p\u0159ek\u00e1\u017ekou.<\/li>\n<li><strong>Jin\u00e9 zdroje sklen\u00edkov\u00fdch plyn\u016f:<\/strong> Produkce hov\u011bz\u00edho masa zahrnuje dal\u0161\u00ed emise sklen\u00edkov\u00fdch plyn\u016f, v\u010detn\u011b t\u011bch z hnoje, hnojiv, p\u0159epravy a odles\u0148ov\u00e1n\u00ed pro pastviny.<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">Role hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at v udr\u017eiteln\u00fdch potravinov\u00fdch syst\u00e9mech<\/h2>\n\n<p>Navzdory v\u00fdzv\u00e1m by mohlo dopl\u0148ov\u00e1n\u00ed \u0159asami hr\u00e1t roli ve sni\u017eov\u00e1n\u00ed ekologick\u00fdch dopad\u016f \u017eivo\u010di\u0161n\u00e9 v\u00fdroby. Postupn\u00e9 ukon\u010den\u00ed chovu zv\u00ed\u0159at nemus\u00ed b\u00fdt provediteln\u00e9 ani \u017e\u00e1douc\u00ed, proto\u017ee hraj\u00ed z\u00e1sadn\u00ed roli p\u0159i krmen\u00ed rostouc\u00ed sv\u011btov\u00e9 populace.<\/p>\n\n<h2 class=\"wp-block-heading\">Prob\u00edhaj\u00edc\u00ed v\u00fdzkum a budouc\u00ed \u0159e\u0161en\u00ed<\/h2>\n\n<p>V\u011bdci aktivn\u011b zkoumaj\u00ed \u0159e\u0161en\u00ed, jak p\u0159ekonat praktick\u00e9 v\u00fdzvy spojen\u00e9 s dopl\u0148ov\u00e1n\u00edm \u0159as u krav chovan\u00fdch na pastvin\u00e1ch. Prob\u00edhaj\u00ed studie s c\u00edlem vyvinout metody dod\u00e1v\u00e1n\u00ed \u0159asov\u00fdch dopl\u0148k\u016f krav\u00e1m pasouc\u00edm se na otev\u0159en\u00fdch pol\u00edch.<\/p>\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br:<\/h2>\n\n<p>Dopl\u0148ov\u00e1n\u00ed \u0159asami se uk\u00e1zalo jako slibn\u00e1 strategie ke sn\u00ed\u017een\u00ed emis\u00ed metanu u krav. P\u0159esto\u017ee p\u0159etrv\u00e1vaj\u00ed praktick\u00e9 v\u00fdzvy, prob\u00edhaj\u00edc\u00ed v\u00fdzkum si klade za c\u00edl tyto probl\u00e9my vy\u0159e\u0161it a p\u0159ipravit cestu pro udr\u017eiteln\u011bj\u0161\u00ed chovatelsk\u00e9 postupy.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0158asov\u00e1 dieta sni\u017euje \u0159\u00edh\u00e1n\u00ed krav a dopady na klima Obavy t\u00fdkaj\u00edc\u00ed se sklen\u00edkov\u00fdch plyn\u016f a hospod\u00e1\u0159sk\u00fdch zv\u00ed\u0159at Hospod\u00e1\u0159sk\u00e1 zv\u00ed\u0159ata, zejm\u00e9na kr\u00e1vy, v\u00fdznamn\u011b p\u0159isp\u00edvaj\u00ed k emis\u00edm sklen\u00edkov\u00fdch plyn\u016f. Jejich \u0159\u00edh\u00e1n\u00ed uvol\u0148uje&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[21443,36,2640,21442,21441],"class_list":["post-16165","post","type-post","status-publish","format-standard","hentry","category-environmental-science","tag-seaweed-supplementation","tag-environmental-science","tag-climate-change-mitigation","tag-methane-reduction","tag-sustainable-livestock"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=16165"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16165\/revisions"}],"predecessor-version":[{"id":16166,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/16165\/revisions\/16166"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=16165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=16165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=16165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}