{"id":3886,"date":"2008-08-27T15:47:42","date_gmt":"2008-08-27T15:47:42","guid":{"rendered":"http:\/\/airboysteam.wordpress.com\/2008\/08\/27\/cuidado-com-a-vaca"},"modified":"2008-08-27T15:47:42","modified_gmt":"2008-08-27T15:47:42","slug":"cuidado-com-a-vaca","status":"publish","type":"post","link":"https:\/\/airboysteam.com\/?p=3886","title":{"rendered":"Cuidado com a vaca"},"content":{"rendered":"<div id=\"msgcns!E947B5312D6B0929!4992\" class=\"bvMsg\">\n<div>\u00a0<\/div>\n<div>Materia retirada da Planador Brasil <\/div>\n<div><span style=\"font-family:Verdana;\"><\/span>\u00a0<\/div>\n<div><span style=\"font-family:Verdana;\">Aten\u00e7\u00e3o colegas de arado&#8230;mais um paradigma que se vai&#8230;aquela conversa de que vaca virava a bunda pro vento&#8230;\u00e9 hist\u00f3ria.<\/p>\n<p>Vaca se orienta pelo campo magn\u00e9tico da Terra, diz estudo <\/p>\n<p>da Associated Press Fazendeiros e pessoas atentas do interior sabem que a maioria do gado, quando pasta, volta-se para a mesma dire\u00e7\u00e3o. Muitos se perguntam o que determina esse alinhamento. Agora, um estudo publicado no peri\u00f3dico &#8216;Proceedings of the National Academy of Sciences&#8217; parece responder, pelo menos em parte, a essa quest\u00e3o. Para pesquisadores alem\u00e3es e tchecos, o campo magn\u00e9tico da Terra \u00e9 um dos principais fatores determinantes. <br \/>Morry Gash\/AP<\/p>\n<p>Vacas, que normalmente ficam na dire\u00e7\u00e3o norte-sul, pastam em Wisconsin, nos EUADe acordo com os cientistas, que analisaram fotos de sat\u00e9lite de milhares de bovinos ao redor do mundo e tamb\u00e9m fizeram estudos de campo, parece que o gado sabe como encontrar o norte e o sul. A maior parte dos animais observados que pastava ou descansava tendia a alinhar os seus corpos em uma dire\u00e7\u00e3o norte-sul, afirmou o estudo, conduzido por Hynek Burda e Sabine Begall, da Faculdade de Biologia na Universidade de Duisburg-Essen, na Alemanha. <\/span><\/div>\n<div>\n<p><span style=\"font-family:Verdana;\">A constata\u00e7\u00e3o se mant\u00e9m verdadeira independentemente do continente em que o rebanho se localize, segundo eles. &#8216;O campo magn\u00e9tico da Terra tem de ser considerado como um fator&#8217;, declararam. <\/span><\/p>\n<p><span style=\"font-family:Verdana;\">O tema desafia os cientistas a descobrir por que e como estes animais alinham o corpo ao campo magn\u00e9tico, disse Begall. &#8216;Naturalmente, a quest\u00e3o levanta se os seres humanos tamb\u00e9m apresentam um comportamento espont\u00e2neo&#8217;, afirmou. O estudo levou Tina Hinchley, que cuida com o marido de uma fazenda leiteira no Estado de Wisconsin, EUA, a ter um novo olhar para uma foto a\u00e9rea tomada de sua fazenda h\u00e1 alguns anos atr\u00e1s. &#8216;As vacas estavam espalhadas por todos os lados do pasto e cerca de dois ter\u00e7os estavam na dire\u00e7\u00e3o norte-sul&#8217;, disse Hinchley. Essa propor\u00e7\u00e3o \u00e9 pr\u00f3xima da verificada pelos investigadores ao olhar para 8.510 bovinos em 308 pastagens. No estudo, entre 60% e 70% dos bovinos ficaram virados para a dire\u00e7\u00e3o norte-sul, o que Begall chamou de &#8216;desvio altamente significativo de distribui\u00e7\u00e3o aleat\u00f3ria&#8217;. <\/span><\/p>\n<p><span style=\"font-family:Verdana;\">Meteorologia A equipe de pesquisa observou que, quando h\u00e1 ventania, o gado tende a enfrentar o vento, e tamb\u00e9m tende a procurar o sol em dias frios. Mas os cientistas disseram que foram capazes de descontar os efeitos meteorol\u00f3gicos no estudo, analisando pistas como a posi\u00e7\u00e3o do sol baseada em sombras. &#8216;Esta \u00e9 uma descoberta surpreendente&#8217; , disse Kenneth J. Lohmann, do Departamento de Biologia da Universidade da Carolina do Norte. Lohmann, que n\u00e3o fez parte do estudo, advertiu, por\u00e9m, que a pesquisa &#8216;\u00e9 inteiramente baseada em correla\u00e7\u00f5es&#8217;. &#8216;Para demonstrar conclusivamente que os bovinos t\u00eam um senso magn\u00e9tico, algum tipo de manipula\u00e7\u00e3o experimental ser\u00e1 eventualmente necess\u00e1ria&#8217;, disse.\u00a0<\/span><\/p>\n<p>\u00a0<a href=\"http:\/\/blufiles.storage.live.com\/y1pzFmrKIS6KS1E43m8YyOz887znoMt--dzDuByPpjW_hDd6kKHYea1QzfF7x9lcHO8vMFZpBohdvk\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" height=\"160\" alt=\"mad_cow_cartoon[1]\" src=\"http:\/\/blufiles.storage.live.com\/y1pzFmrKIS6KS1E43m8YyOz887znoMt--dzDuByPpjW_hDd6kKHYea1QzfF7x9lcHO8vMFZpBohdvk\" width=\"156\" \/><\/a><\/p>\n<\/div>\n<\/div>\n<table cellspacing=\"0\" border=\"0\">\n<tr>\n<td><\/td>\n<\/tr>\n<tr>\n<td valign=\"top\"><a href=\"http:\/\/blufiles.storage.live.com\/y1pV6YSGWhlYGl7D7U1e_dpSUMqJb02J0KplHsdpsVW7C0pq3muP79X4gxtTOJ-j1SFuNkg9Rgn1Ww\" target=\"_blank\" rel=\"WLPP;url=http:\/\/blufiles.storage.live.com\/y1pV6YSGWhlYGl7D7U1e_dpSUMqJb02J0KplHsdpsVW7C0pq3muP79X4gxtTOJ-j1SFuNkg9Rgn1Ww;cnsid=cns&#033;E947B5312D6B0929&#033;4993\"><img decoding=\"async\" src=\"http:\/\/blufiles.storage.live.com\/y1pV6YSGWhlYGl7D7U1e_dpSUO69L7AXNsZI2jWzIpgBuVyYypIhQdabR7SrYBJMSCcYm9rnjrFp0c\" border=\"0\" alt=\"\" \/><\/a><\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Materia retirada da Planador Brasil \u00a0 Aten\u00e7\u00e3o colegas de arado&#8230;mais um paradigma que se vai&#8230;aquela conversa de que vaca virava a bunda pro vento&#8230;\u00e9 hist\u00f3ria. Vaca se orienta pelo campo magn\u00e9tico da Terra, diz estudo da Associated Press Fazendeiros e pessoas atentas do interior sabem que a maioria do gado, quando pasta, volta-se para [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[54],"tags":[],"class_list":["post-3886","post","type-post","status-publish","format-standard","hentry","category-parapente-e-paramotor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cuidado com a vaca - AIRBOYS I team<\/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:\/\/airboysteam.com\/?p=3886\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cuidado com a vaca - AIRBOYS I team\" \/>\n<meta property=\"og:description\" content=\"\u00a0 Materia retirada da Planador Brasil \u00a0 Aten\u00e7\u00e3o colegas de arado&#8230;mais um paradigma que se vai&#8230;aquela conversa de que vaca virava a bunda pro vento&#8230;\u00e9 hist\u00f3ria. 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