{"id":314,"date":"2026-01-27T14:10:11","date_gmt":"2026-01-27T12:10:11","guid":{"rendered":"https:\/\/www.sk-babickinerady.top\/?p=314"},"modified":"2026-01-27T14:10:11","modified_gmt":"2026-01-27T12:10:11","slug":"tepelny-stres-u-hovadzieho-dobytka-znizuje-produkciu-mlieka-az-o-40-a-sposobuje-dramaticky-ubytok-hmotnosti-pocas-vln-horucav-kravy-sa-nepotia-efektivne-a-na-regulaciu-telesnej-teploty-sa-spoliehaju","status":"publish","type":"post","link":"https:\/\/www.sk-babickinerady.top\/?p=314","title":{"rendered":"Tepeln\u00fd stres u hov\u00e4dzieho dobytka zni\u017euje produkciu mlieka a\u017e o 40 % a sp\u00f4sobuje dramatick\u00fd \u00fabytok hmotnosti po\u010das v\u013an hor\u00fa\u010dav. Kravy sa nepotia efekt\u00edvne a na regul\u00e1ciu telesnej teploty sa spoliehaj\u00fa na tie\u0148."},"content":{"rendered":"\n<p>M\u00e1te \u00fapln\u00fa pravdu a tento probl\u00e9m je v modernom po\u013enohospod\u00e1rstve \u010doraz kritickej\u0161\u00ed. Hov\u00e4dz\u00ed dobytok je v podstate \u201ebiologick\u00fd radi\u00e1tor\u201c \u2013 kv\u00f4li ferment\u00e1cii v bachore produkuje obrovsk\u00e9 mno\u017estvo vlastn\u00e9ho tepla. Ak k tomu pripo\u010d\u00edtame vonkaj\u0161iu hor\u00fa\u010davu, organizmus kravy sa dost\u00e1va do stavu n\u00fadze.<\/p>\n\n\n\n<p>Tu je odborn\u00fd poh\u013ead na to, pre\u010do k t\u00fdmto strat\u00e1m doch\u00e1dza a ako ich zmierni\u0165:<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Pre\u010do produkcia kles\u00e1 tak dramaticky?<\/h3>\n\n\n\n<p>\u00dabytok mlieka o <strong>25 a\u017e 40 %<\/strong> nie je len d\u00f4sledkom toho, \u017ee by kravy \u201enechceli\u201c jes\u0165. Ide o komplexn\u00fa fyziologick\u00fa reakciu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zn\u00ed\u017een\u00fd pr\u00edjem su\u0161iny (DMI):<\/strong> Aby krava zn\u00ed\u017eila produkciu tepla z tr\u00e1venia, in\u0161tinkt\u00edvne prest\u00e1va \u017era\u0165. Menej krmiva = menej energie na tvorbu mlieka.<\/li>\n\n\n\n<li><strong>Priorita ochladzovania:<\/strong> Krv sa pres\u00fava z vn\u00fatorn\u00fdch org\u00e1nov (vr\u00e1tane mlie\u010dnej \u017e\u013eazy) do perif\u00e9ri\u00ed (ko\u017ea), aby sa telo ochladilo. Mlie\u010dna \u017e\u013eaza je tak menej vy\u017eivovan\u00e1.<\/li>\n\n\n\n<li><strong>Respira\u010dn\u00e1 alkal\u00f3za:<\/strong> Kravy sa ochladzuj\u00fa zr\u00fdchlen\u00fdm d\u00fdchan\u00edm. T\u00fdm v\u0161ak vydychuj\u00fa pr\u00edli\u0161 ve\u013ea $CO_2$, \u010do men\u00ed pH krvi a n\u00e1sledne aj kvalitu mlieka (ni\u017e\u0161\u00ed obsah tuku).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kritick\u00fd bod: Index THI<\/h3>\n\n\n\n<p>U kr\u00e1v nepozer\u00e1me len na teplotu, ale na <strong>THI (Temperature-Humidity Index)<\/strong> \u2013 kombin\u00e1ciu teploty a vlhkosti vzduchu.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Stres za\u010d\u00edna u\u017e pri 22 \u2013 24 \u00b0C<\/strong>, ak je vysok\u00e1 vlhkos\u0165.<\/li>\n\n\n\n<li>Ke\u010f krava stoj\u00ed (namiesto le\u017eania), je to sign\u00e1l stresu \u2013 sna\u017e\u00ed sa zv\u00e4\u010d\u0161i\u0165 plochu tela vystaven\u00fa pr\u00fadeniu vzduchu.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Ako efekt\u00edvne bojova\u0165 s tepeln\u00fdm stresom?<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Opatrenie<\/strong><\/td><td><strong>Funkcia<\/strong><\/td><td><strong>Efekt<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>N\u00faten\u00e9 pr\u00fadenie vzduchu<\/strong><\/td><td>Ventil\u00e1tory nad le\u017eiskami<\/td><td>Odv\u00e1dzaj\u00fa teplo priamo z povrchu tela.<\/td><\/tr><tr><td><strong>N\u00edzkotlakov\u00e9 rosenie (Soaking)<\/strong><\/td><td>Ve\u013ek\u00e9 kvapky vody na chrb\u00e1t<\/td><td>Namo\u010dia ko\u017eu (nie srs\u0165), voda sa odparuje a chlad\u00ed.<\/td><\/tr><tr><td><strong>Zmena k\u0155mnej d\u00e1vky<\/strong><\/td><td>Viac tuku, menej vl\u00e1kniny<\/td><td>Tuk pri tr\u00e1ven\u00ed produkuje menej tepla ako vl\u00e1knina.<\/td><\/tr><tr><td><strong>Pr\u00edstup k vode<\/strong><\/td><td>24\/7, \u010dist\u00e1 a chladn\u00e1<\/td><td>Krava v hor\u00fa\u010dave vypije a\u017e <strong>150 \u2013 200 litrov<\/strong> vody denne.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Zauj\u00edmavos\u0165: Pre\u010do sa nepotia?<\/h3>\n\n\n\n<p>Kravy maj\u00fa potn\u00e9 \u017e\u013eazy, ale ich \u00fa\u010dinnos\u0165 je len pribli\u017ene <strong>10 %<\/strong> v porovnan\u00ed s \u010dlovekom alebo ko\u0148om. Ich srs\u0165 navy\u0161e vytv\u00e1ra izola\u010dn\u00fa vrstvu, ktor\u00e1 br\u00e1ni efekt\u00edvnemu odparovaniu potu. Preto je pre ne <strong>tie\u0148 a pohyb vzduchu<\/strong> absol\u00fatne k\u013e\u00fa\u010dov\u00fd \u2013 bez nich nedok\u00e1\u017eu telesn\u00e9 teplo odovzda\u0165 do prostredia.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>M\u00f4j postreh:<\/strong> Tepeln\u00fd stres m\u00e1 aj dlhodob\u00fd dopad, ktor\u00fd nie je hne\u010f vidie\u0165 \u2013 v\u00fdrazne zni\u017euje \u00faspe\u0161nos\u0165 insemin\u00e1cie (plodnos\u0165), \u010do m\u00f4\u017ee farmu finan\u010dne zasiahnu\u0165 aj mesiace po tom, \u010do hor\u00fa\u010davy skon\u010dia.<\/p>\n<\/blockquote>\n\n\n\n<p><strong>Zauj\u00edmaj\u00fa v\u00e1s konkr\u00e9tne technol\u00f3gie ochladzovania v ma\u0161taliach, alebo by ste chceli vedie\u0165 viac o tom, ako zmeni\u0165 zlo\u017eenie krmiva po\u010das letn\u00fdch mesiacov?<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>M\u00e1te \u00fapln\u00fa pravdu a tento probl\u00e9m je v modernom po\u013enohospod\u00e1rstve \u010doraz kritickej\u0161\u00ed. Hov\u00e4dz\u00ed dobytok je v podstate \u201ebiologick\u00fd radi\u00e1tor\u201c \u2013 kv\u00f4li ferment\u00e1cii v bachore produkuje obrovsk\u00e9 mno\u017estvo vlastn\u00e9ho tepla. Ak [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":315,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-314","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zahrada-mesto"],"_links":{"self":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/314"}],"collection":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=314"}],"version-history":[{"count":1,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/314\/revisions"}],"predecessor-version":[{"id":316,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/posts\/314\/revisions\/316"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=\/wp\/v2\/media\/315"}],"wp:attachment":[{"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sk-babickinerady.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}