{"id":348445,"date":"2025-06-12T10:58:33","date_gmt":"2025-06-12T09:58:33","guid":{"rendered":"https:\/\/zakrasnejsivimperk.cz\/?p=348445"},"modified":"2025-06-12T10:58:33","modified_gmt":"2025-06-12T09:58:33","slug":"aktuality-web-agrorisk-varuje-pred-rizikem-tepelneho-stresu-pro-skot-i-pro-ryby","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=348445","title":{"rendered":"AKTUALITY: Web Agrorisk varuje p\u0159ed rizikem tepeln\u00e9ho stresu pro skot i pro ryby"},"content":{"rendered":"

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Letn\u00ed teploty okolo 25 stup\u0148\u016f Celsia, kter\u00e9 p\u0159edpov\u011bdn\u00ed modely p\u0159edpokl\u00e1daj\u00ed pro \u010cesko od soboty, jsou stresuj\u00edc\u00ed pro ml\u00e9\u010dn\u00fd skot. Aby se mohli chovatel\u00e9 na tyto situace l\u00e9pe nachystat, p\u0159ipravili tv\u016frci webu Agrorisk.cz<\/a> novou funkci, kter\u00e1 ukazuje m\u00edru rizika vysok\u00fdch, a tedy stresov\u00fdch teplot pro zv\u00ed\u0159ata. P\u0159edpov\u011b\u010f je na dev\u011bt dn\u016f dop\u0159edu a aktu\u00e1ln\u011b se jev\u00ed jako rizikov\u00e1 p\u0159\u00ed\u0161t\u00ed ned\u011ble.<\/h6>\n

\u201eV n\u011bkter\u00fdch oblastech na sever a severoz\u00e1pad od Prahy je riziko teplotn\u00edho stresu vysok\u00e9, co\u017e je druh\u00fd nejvy\u0161\u0161\u00ed stupe\u0148,<\/em>\u201c vysv\u011btluje Eva Svobodov\u00e1 z \u00dastavu v\u00fdzkumu glob\u00e1ln\u00ed zm\u011bny AV \u010cR \u2013 CzechGlobe, jeho\u017e odborn\u00edci za tvorbou a provozem webu stoj\u00ed.<\/p>\n

Web ji\u017e n\u011bkolik let varuje p\u0159ed riziky po\u010das\u00ed i r\u016fzn\u00fdch \u0161k\u016fdc\u016f p\u011bstitele poln\u00edch plodin \u010di ovocn\u00fdch strom\u016f a nyn\u00ed tv\u016frci p\u0159idali t\u0159i nov\u00e1 rizika. Krom\u011b rizika teplotn\u00edho stresu pro skot je to tak\u00e9 riziko teplotn\u00edho stresu pro \u010dlov\u011bka a riziko teplotn\u00edho stresu pro ryby v rybn\u00edc\u00edch v z\u00e1vislosti na teplot\u011b vody.<\/p>\n

Mapy rizika: aktualizace \u010dty\u0159ikr\u00e1t denn\u011b<\/h6>\n

Teplotn\u00ed stres je fenom\u00e9n, jeho\u017e vliv zesiluje s postupuj\u00edc\u00ed klimatickou zm\u011bnou. V\u011bdci dlouhodob\u011b upozor\u0148uj\u00ed na to, \u017ee roste po\u010det dn\u016f s teplotami nad 30 stup\u0148\u016f Celsia, roste po\u010det tropick\u00fdch noc\u00ed a prodlu\u017euje se trv\u00e1n\u00ed hork\u00fdch vln, obzvl\u00e1\u0161t\u011b ve velk\u00fdch m\u011bstech.<\/p>\n

\u201eA\u010dkoliv teploty mezi 20 a 26 stupni Celsia jsou pro \u010dlov\u011bka p\u0159\u00edjemn\u00e9 letn\u00ed podm\u00ednky, pro dojnice jsou tyto teploty ji\u017e stresuj\u00edc\u00ed. Na v\u011bt\u0161in\u011b \u00fazem\u00ed \u010ceska p\u0159\u00ed\u0161t\u00ed ned\u011bli o\u010dek\u00e1v\u00e1me vyjma vy\u0161\u0161\u00edch poloh st\u0159edn\u00ed riziko, v nejteplej\u0161\u00edch oblastech \u010cech vid\u00edme zm\u00edn\u011bn\u00e9 vysok\u00e9 riziko a teploty mezi 27 a 30 stupni,\u201c<\/em> \u0159\u00edk\u00e1 Eva Svobodov\u00e1.<\/p>\n

Jeliko\u017e se jedn\u00e1 o pom\u011brn\u011b vzd\u00e1lenou p\u0159edpov\u011b\u010f, m\u016f\u017ee se p\u0159i jej\u00edm zp\u0159es\u0148ov\u00e1n\u00ed riziko sni\u017eovat, ale tak\u00e9 zvy\u0161ovat. Pro chovatele m\u00e1 v\u00fdznam v tom, \u017ee v\u00ed o tom, \u017ee se riziko objevilo a je t\u0159eba mu v\u011bnovat pozornost. Mapy rizika se na z\u00e1klad\u011b p\u0159edpov\u011bdn\u00edch model\u016f aktualizuj\u00ed \u010dty\u0159ikr\u00e1t denn\u011b.<\/p>\n

U dojnic se vystaven\u00ed tepeln\u00e9mu stresu projevuje klesaj\u00edc\u00ed produkc\u00ed a kvalitou ml\u00e9ka. M\u00e1 tak\u00e9 nep\u0159\u00edzniv\u00fd dopad na reprodukci a v\u00fdskyt mastitid, tedy z\u00e1n\u011bt ml\u00e9\u010dn\u00fdch \u017el\u00e1z.<\/p>\n

Postupn\u00e9 riziko pro ryby<\/h6>\n

P\u0159edpov\u011b\u010f rizika pro \u010dlov\u011bka a pro ryby zat\u00edm nen\u00ed nijak dramatick\u00e1, ale s letn\u00edmi teplotami u\u017e je mo\u017en\u00e9 sledovat v n\u011bkter\u00fdch oblastech st\u0159edn\u00ed riziko. Lid\u00e9 by m\u011bli dodr\u017eovat pitn\u00fd re\u017eim, ale v\u011bt\u0161\u00ed negativn\u00edch dopad\u016f se zat\u00edm nen\u00ed t\u0159eba ob\u00e1vat.<\/p>\n

Riziko pro ryby roste postupn\u011b, proto\u017ee voda se oh\u0159\u00edv\u00e1 pomaleji ne\u017e vzduch. \u201eZ hlediska chovu ryb je teplota vody v\u00fdznamn\u00fd faktor ovliv\u0148uj\u00edc\u00ed nasycen\u00ed vody kysl\u00edkem, vy\u0161\u0161\u00ed teplota zvy\u0161uje tak\u00e9 pod\u00edl toxick\u00e9 formy amoniak\u00e1ln\u00edho dus\u00edku,\u201c<\/em> uv\u00e1d\u00ed v\u011bdkyn\u011b.<\/p>\n

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(tz-av\u010dr)<\/strong><\/p>\n

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