{"id":188905,"date":"2026-07-29T07:26:13","date_gmt":"2026-07-29T07:26:13","guid":{"rendered":"https:\/\/www.europesays.com\/hu\/188905\/"},"modified":"2026-07-29T07:26:13","modified_gmt":"2026-07-29T07:26:13","slug":"egy-uj-tanulmany-szerint-a-biotojas-rosszabbat-tehet-a-klimavaltozasnak-mint-a-ketrecben-tartott-tyukok-tojasa","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/hu\/188905\/","title":{"rendered":"Egy \u00faj tanulm\u00e1ny szerint a biotoj\u00e1s rosszabbat tehet a kl\u00edmav\u00e1ltoz\u00e1snak, mint a ketrecben tartott ty\u00fakok toj\u00e1sa"},"content":{"rendered":"

\n Egy tanulm\u00e1ny szerint, ha az Egyes\u00fclt Kir\u00e1lys\u00e1g a toj\u00e1stermel\u00e9sben teljesen \u00e1t\u00e1llna az \u00f6kol\u00f3giai szabadtart\u00e1s\u00fa modellre, az 2 316 000 tonna sz\u00e9n-dioxidnak megfelel\u0151 \u00fcvegh\u00e1zhat\u00e1s\u00fag\u00e1z-kibocs\u00e1t\u00e1ssal j\u00e1rhatna, m\u00edg egy teljes eg\u00e9sz\u00e9ben ketreces rendszerben a kibocs\u00e1t\u00e1s 1 184 000 tonna sz\u00e9n-dioxid lenne.\n <\/p>\n

\n Ennek az az oka, hogy az \u00f6kol\u00f3giai szabadtart\u00e1s\u00fa rendszerekben ugyanannyi toj\u00e1s el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz t\u00f6bb ty\u00fakra van sz\u00fcks\u00e9g, mivel a ketrecben \u00e9l\u0151 madarak \u00e1ltal\u00e1ban hat\u00e9konyabban termelnek.\n <\/p>\n

\n A Royal Society Open Science c\u00edm\u0171 foly\u00f3iratban megjelent tanulm\u00e1nyban a brit kutat\u00f3k baromfitelepek adatait vizsg\u00e1lt\u00e1k, hogy kisz\u00e1m\u00edts\u00e1k az olyan k\u00f6rnyezeti hat\u00e1sokat, mint az \u00fcvegh\u00e1zhat\u00e1s\u00fag\u00e1z-kibocs\u00e1t\u00e1s, a f\u00f6ldhaszn\u00e1lat \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 t\u00edpus\u00fa szennyez\u00e9sek. Olyan \u00e1llatj\u00f3l\u00e9ti mutat\u00f3kat is elemeztek, mint az elhull\u00e1si ar\u00e1ny, valamint az, hogy meghat\u00e1rozott mennyis\u00e9g\u0171 toj\u00e1s el\u0151\u00e1ll\u00edt\u00e1s\u00e1hoz h\u00e1ny ty\u00fakra van sz\u00fcks\u00e9g.\n <\/p>\n

<\/p>\n

\"\"\/<\/p>\n

<\/a><\/p>\n

\n Organikus farm N\u00e9metorsz\u00e1gban.\n <\/p>\n

\n Fot\u00f3:
\n JENS BUTTNER\/dpa Picture-Alliance\/AFP\n <\/p>\n

\n Az \u00f6kol\u00f3giai szabadtart\u00e1s\u00fa termel\u00e9s bizonyult a legrosszabbnak a vizek eutrofiz\u00e1ci\u00f3j\u00e1ra \u2013 vagyis t\u00falzott t\u00e1panyag-terhel\u00e9s\u00e9re \u00e9s az ebb\u0151l fakad\u00f3 alg\u00e1sod\u00e1s\u00e1ra \u2013, valamint a savasod\u00e1sra \u00e9s a f\u00f6ldhaszn\u00e1latra gyakorolt lehets\u00e9ges hat\u00e1sok szempontj\u00e1b\u00f3l is. A kutat\u00f3k szerint a ty\u00fakok elhull\u00e1si ar\u00e1nya szint\u00e9n az \u00f6kol\u00f3giai szabadtart\u00e1sban volt a legmagasabb.\n <\/p>\n

\n A tanulm\u00e1ny azonban 2009\u20132010-es adatokat haszn\u00e1lt, amit a kutat\u00f3k maguk is korl\u00e1toz\u00f3 t\u00e9nyez\u0151k\u00e9nt ismertek el, mivel ezek az adatok nem t\u00fckr\u00f6zik a toj\u00e1stermel\u00e9s \u00fajabb fejlem\u00e9nyeit. A kutat\u00e1s m\u00e1s k\u00f6rnyezeti hat\u00e1sokat, p\u00e9ld\u00e1ul a n\u00f6v\u00e9nyv\u00e9d\u0151 szerek haszn\u00e1lat\u00e1t vagy a biodiverzit\u00e1st sem vette figyelembe. (Guardian<\/a>)\n <\/p>\n","protected":false},"excerpt":{"rendered":"Egy tanulm\u00e1ny szerint, ha az Egyes\u00fclt Kir\u00e1lys\u00e1g a toj\u00e1stermel\u00e9sben teljesen \u00e1t\u00e1llna az \u00f6kol\u00f3giai szabadtart\u00e1s\u00fa modellre, az 2 316…\n","protected":false},"author":2,"featured_media":188906,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[12],"tags":[1781,53300,1316,44,42,40,8431,1355,43,41,121,120,53298,53299,9083,125,122,3392,124,123,3393],"class_list":["post-188905","post","type-post","status-publish","format-standard","has-post-thumbnail","category-tudomany-es-technologia","tag-allat","tag-biotojas","tag-egyesult-kiralysag","tag-hu","tag-hungarian","tag-hungary","tag-ketrec","tag-klimavaltozas","tag-magyar","tag-magyarorszag","tag-science","tag-science-technology","tag-szabadtartas","tag-szendioxid-kibocsatas","tag-tanulmany","tag-technologia","tag-technology","tag-tojas","tag-tudomany","tag-tudomany-es-technologia","tag-tyuk"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@hu\/117002081924982664","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts\/188905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/comments?post=188905"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/posts\/188905\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/media\/188906"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/media?parent=188905"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/categories?post=188905"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/hu\/wp-json\/wp\/v2\/tags?post=188905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}