{"id":90652,"date":"2025-10-26T00:13:06","date_gmt":"2025-10-25T22:13:06","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=90652"},"modified":"2025-10-25T12:40:04","modified_gmt":"2025-10-25T10:40:04","slug":"jaromir-bradavka-krava-versus-cvrcek-uvaha","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2025\/10\/26\/jaromir-bradavka-krava-versus-cvrcek-uvaha\/","title":{"rendered":"Jarom\u00edr Brad\u00e1vka: Kr\u00e1va versus cvr\u010dek \u2013 \u00favaha"},"content":{"rendered":"<div id=\"fb-root\"><\/div>\n<p>Je\u0161t\u011b jsem se zahloubal do\u00a0cvr\u010dkosal\u00e1m byznysu zkouman\u00e9ho na\u00a0Mendelov\u011b univerzit\u011b\u00a0a dovolil si amat\u00e9rsk\u00fdm v\u00fdpo\u010dtem ov\u011b\u0159it\u00a0tvrzen\u00ed \u201cv\u011bdce\u201d z Brna, kter\u00fd zjevn\u011b dostal granty na v\u00fdzkum\u00a0poj\u00edd\u00e1n\u00ed hmyzu a hodn\u011b\u00a0by zklamal, kdyby \u0159ekl, \u017ee to je\u00a0blbost.<\/p>\n<p>Z pr\u016fm\u011brn\u00e9 kr\u00e1vy je po roce cca 300\u00a0kg kvalitn\u00edho masa.\u00a0\u00a0Pr\u016fm\u011brn\u00fd cvr\u010dek dom\u00e1c\u00ed m\u00e1 1\u00a0g a dosp\u011bl\u00e9 velikosti dos\u00e1hne po\u00a0dvou m\u011bs\u00edc\u00edch. Abyste m\u011bli stejnou v\u00e1hu cvr\u010dk\u016f, pot\u0159ebujete\u00a0jich tedy 300 000. Podle ChatuGPT4o se p\u0159i\u00a0chovu vejde cca\u00a04.000 cvr\u010dk\u016f do jednoho metru krychlov\u00e9ho.\u00a0K produkci 300 kil\u00a0cvr\u010d\u010d\u00edho sal\u00e1mu tedy pot\u0159ebujete 75 m3. Vzhledem k tomu, \u017ee\u00a0cvr\u010dek roste 6x rychleji ne\u017e kr\u00e1va, tak rozpo\u010dteno na rok se\u00a0jedn\u00e1 o 12,5 m3. Klimatizovan\u00e9ho, vyt\u00e1p\u011bn\u00e9ho prostoru, kde\u00a0mus\u00ed\u00a0b\u00fdt 27 stup\u0148\u016f. Jen\u017ee to m\u00e1 je\u0161t\u011b jeden h\u00e1\u010dek.<\/p>\n<p>Cvr\u010dek je tvo\u0159en\u00a0z v\u011bt\u0161iny vodou. A tak kdy\u017e se usu\u0161\u00ed, tak ztrat\u00ed cca 70\u00a0% sv\u00e9\u00a0hmotnosti. Tak\u017ee abyste m\u011bli 300 kilo cvr\u010dk\u016f, pot\u0159ebujete jich\u00a0nikoliv 300 000 ale milion. To u\u017e je 250 metr\u016f krychlov\u00fdch. To\u00a0je\u00a0t\u0159eba voli\u00e9ra o rozm\u011bru 10x10x2,5 m. To je pros\u00edm prostor\u00a0pot\u0159ebn\u00fd k nahrazen\u00ed JEDN\u00c9 kr\u00e1vy. A opakuji vyt\u00e1p\u011bn\u00fd a\u00a0klimatizovan\u00fd prostor se stabiln\u00ed teplotou 27 stup\u0148\u016f.<\/p>\n<p>Krav\u00edn\u00a0pro voln\u011b ust\u00e1jen\u00fdch 200 krav zabere plochu\u00a0cca\u00a0 2000 m2 a kdy\u017e\u00a0jsem v jednom naposled\u00a0byl, m\u011bl rozbit\u00e1 okna a klimo\u0161ka tam\u00a0fakt nebyla, \u0159ekl bych, \u017ee ani topen\u00ed. Vyt\u00e1p\u011bj\u00ed si to ty kr\u00e1vy\u00a0samy. Na stejnou plochu by se tedy ve\u0161lo pouze 20 voli\u00e9r na\u00a0cvr\u010dky. Kdy\u017e to vyn\u00e1sob\u00edm rychlost\u00ed r\u016fstu 6. Tak na stejnou\u00a0plochu se vejde 120 ekvivalent\u016f krav\u00a0za rok. Tak\u017ee plocha\u00a0pot\u0159ebn\u00e1 pro cvr\u010dky je v\u011bt\u0161\u00ed, ne\u017e plocha pro chov krav.\u00a0Hov\u011bz\u00ed maso p\u0159itom obsahuje v\u00edce b\u00edlkovin a kr\u00e1va krom\u011b\u00a0nechutn\u00e9ho pr\u00e1\u0161ku d\u00e1v\u00e1 tak\u00e9 ml\u00e9ko na s\u00fdr a tvaroh, k\u016f\u017ei, hnojivo\u00a0a dal\u0161\u00ed produkty. Cvr\u010dek cvrk\u00e1. A pot\u0159ebuje vyt\u00e1p\u011bn\u00ed, klimo\u0161ku\u00a0a odvlh\u010dova\u010d vzduchu. No a co se t\u00fd\u010de energetick\u00e9 n\u00e1ro\u010dnosti\u00a0zpracov\u00e1n\u00ed.<\/p>\n<p>Kr\u00e1vu pot\u0159ebujete m\u00edt po por\u00e1\u017ece v chla\u010f\u00e1ku,\u00a0cvr\u010dka mus\u00edte su\u0161it. Jen\u017ee kdy\u017e si pak chcete ud\u011blat steak, je\u00a0to ot\u00e1zka minut, a tedy i m\u00e1lo energie. Cvr\u010dky mus\u00edte nakonec\u00a0sma\u017eit\u00a0DES\u00cdTKY minut. Co\u017e je samoz\u0159ejm\u011b to o\u0161kliv\u00e9 CO2.<\/p>\n<p>Je to takov\u00fd sranda v\u00fdpo\u010det d\u016fv\u011b\u0159uj\u00edc\u00ed ChatuGPT4o jako zdroji o prostoru pro chov cvr\u010dk\u016f, ale NIKDE jsem \u017e\u00e1dn\u00e1 lep\u0161\u00ed data nena\u0161el a \u017e\u00e1dn\u00fd ze cvr\u010dko-sal\u00e1mist\u016f je nikde neuv\u00e1d\u00ed, kdy\u017e b\u00e1sn\u00ed o tom, jak je to ekologi\u010dt\u011bj\u0161\u00ed a lep\u0161\u00ed.<\/p>\n<p>A cel\u00fd ten\u00a0v\u00fdpo\u010det je potvrzen realitou a sice t\u00edm, \u017ee kilo hov\u011bz\u00edho\u00a0za\u010d\u00edn\u00e1 na 200 korun\u00e1ch. Zat\u00edmco 200 korun stoj\u00ed 100 gram\u016f\u00a0cvr\u010dk\u016f!!!<\/p>\n<p>Abyste se tedy na\u017erali stejn\u011b ze cvr\u010dk\u016f jako z\u00a0hov\u011bz\u00edho, mus\u00edte vysolit 10x v\u00edc pen\u011bz.<\/p>\n<p>A t\u00edm bych ty \u017ev\u00e1sty o tom,\u00a0\u00a0jak\u00e1\u00a0je to sp\u00e1sa lidstva a ekologick\u00fd zdroj b\u00edlkovin, ukon\u010dil.<\/p>\n<p><a href=\"https:\/\/www.pokec24.cz\/blog\/krava-versus-cvrcek-uvaha\/\">Jarom\u00edr Brad\u00e1vka<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Je\u0161t\u011b jsem se zahloubal do\u00a0cvr\u010dkosal\u00e1m byznysu zkouman\u00e9ho na\u00a0Mendelov\u011b univerzit\u011b\u00a0a dovolil si amat\u00e9rsk\u00fdm v\u00fdpo\u010dtem ov\u011b\u0159it\u00a0tvrzen\u00ed \u201cv\u011bdce\u201d&#8230;<\/p>\n","protected":false},"author":2,"featured_media":90653,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[9962,873,5128,2554,3058],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/90652"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=90652"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/90652\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/90653"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=90652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=90652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=90652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}