{"id":3480,"date":"2022-09-22T07:44:15","date_gmt":"2022-09-22T07:44:15","guid":{"rendered":"https:\/\/bengans.nu\/okategoriserad\/koliko-zelodcev-ima-krava-in-zakaj\/"},"modified":"2023-01-24T13:49:22","modified_gmt":"2023-01-24T13:49:22","slug":"koliko-zelodcev-ima-krava-in-zakaj","status":"publish","type":"post","link":"https:\/\/bengans.nu\/sl\/blog-sl\/koliko-zelodcev-ima-krava-in-zakaj\/","title":{"rendered":"Koliko \u017eelodcev ima krava in zakaj?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Veliko ljudi verjame, da imajo krave \u0161tiri \u017eelodce. Nekateri celo pravijo, da ima krava sedem \u017eelodcev. To je popolnoma napa\u010dno. Koliko trebuhov ima krava? Krava ima le en \u017eelodec, ki pa je razdeljen na \u0161tiri predele: maternico, retikulum, listni \u017eelodec in \u017eelodec.<\/p>\n\n<h2 class=\"wp-block-heading\">Kaj so pre\u017evekovalci?<\/h2>\n\n<p class=\"wp-block-paragraph\">Pre\u017evekovalci so izklju\u010dno rastlinojedi. Hranijo se s stebli, travami in zeli\u0161\u010di ter imajo zapleten prebavni sistem, ki hrano pretvori v enostavnej\u0161e spojine. Rastline, s katerimi se hranijo pre\u017evekovalci, vsebujejo veliko celuloze, ki jo je mogo\u010de izkoristiti le zaradi anatomije prebavnega sistema teh \u017eivali. Pri tem sodelujejo specializirani mikroorganizmi v prebavnem sistemu krave.<\/p>\n\n<p class=\"wp-block-paragraph\">Pre\u017evekovanje pravzaprav pomeni, da \u017eve\u010dite hrano, ki ste jo \u017ee pogoltnili. Pre\u017evekovalci hrano zme\u0161ajo s slino in jo prenesejo v po\u017eiralnik, od koder se nato prenese v \u017eelodec. Pri tem se ve\u010dji delci potisnejo nazaj v usta, kjer jih je treba ponovno pre\u017eve\u010diti in pozneje ponovno pojesti.<\/p>\n\n<h2 class=\"wp-block-heading\">Kravji prebavni sistem: krava ima \u0161tiri \u017eelodce<\/h2>\n\n<p class=\"wp-block-paragraph\">Krava lahko v povpre\u010dju poje 70 kg trave na dan v 8 urah. To mu omogo\u010da poseben anatomski in fiziolo\u0161ki sistem, ki skrbi za prebavo. Oglejmo si na\u0161 \u010dudni \u017eelodec.<\/p>\n\n<p class=\"wp-block-paragraph\">Kravji \u017eelodec sestavljajo \u0161tirje predeli:<\/p>\n\n<h3 class=\"wp-block-heading\">V\u00e5m<\/h3>\n\n<p class=\"wp-block-paragraph\">V tem predelu so mikroorganizmi, ki za\u010dnejo fermentirati hrano in jo preobrazijo. \u017drelo je najve\u010dji predel med vsemi deli \u017eelodca pri kravi in ima lahko prostornino do 200 litrov.<\/p>\n\n<h3 class=\"wp-block-heading\">Netmage<\/h3>\n\n<p class=\"wp-block-paragraph\">Ta del \u017eelodca je odgovoren za prenos hrane, ki je bila prebavljena v maternici, nazaj v usta krave, kjer jo ta pre\u017eve\u010di.<\/p>\n\n<h3 class=\"wp-block-heading\">Bladmage<\/h3>\n\n<p class=\"wp-block-paragraph\">Ta del je sestavljen iz razli\u010dnih pregibov. Funkcija kravjega \u017eelodca je absorbirati odve\u010dno vodo, da bi krma pre\u0161la v naslednjo strukturo \u010dim bolj koncentrirana in da se encimi, ki sodelujejo pri prebavi, ne bi izpirali.<\/p>\n\n<h3 class=\"wp-block-heading\">Teka\u010di<\/h3>\n\n<p class=\"wp-block-paragraph\">To je sama koma. Kislost na tem obmo\u010dju je visoka, zato se vsi mikroorganizmi, ki so predelali hrano, prebavijo tukaj, kar tudi ustavi fermentacijo. Nastajata klorovodikova kislina in pepsin, ki pospe\u0161ujeta predelavo beljakovin, ki so prispele v to obmo\u010dje, in povzro\u010data kemi\u010dno prebavo hrane.<\/p>\n\n<h2 class=\"wp-block-heading\">Zabavna dejstva o kravah in drugih \u017eivalih<\/h2>\n\n<ul class=\"wp-block-list\"><li>Tudi kamelidi so pre\u017evekovalci.<\/li><li>Krave pri prebavi hrane oddajajo metan.<\/li><li>Koliko mleka na leto namolze krava? Ve\u010d kot 10 000 litrov.<\/li><li>Koliko zob ima krava? 32.<\/li><li>Koliko \u017eelodcev ima koza? Samo eno.<\/li><li>&#8216;Stoji za krave&#8217; &#8211; spletni kviz: odgovor je &#8216;v mno\u017eini&#8217;!<\/li><li>Koliko je stara krava? Do 20 let.<\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Veliko ljudi verjame, da imajo krave \u0161tiri \u017eelodce. Nekateri celo pravijo, da ima krava sedem \u017eelodcev. To je&hellip;<\/p>\n","protected":false},"author":1,"featured_media":2821,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[232],"tags":[],"class_list":["post-3480","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-sl"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Koliko \u017eelodcev ima krava in zakaj? - Bengans<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bengans.nu\/sl\/blog-sl\/koliko-zelodcev-ima-krava-in-zakaj\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Koliko \u017eelodcev ima krava in zakaj? - Bengans\" \/>\n<meta property=\"og:description\" content=\"Veliko ljudi verjame, da imajo krave \u0161tiri \u017eelodce. 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