{"id":57,"date":"2013-06-03T09:59:00","date_gmt":"2013-06-03T07:59:00","guid":{"rendered":"http:\/\/webkakadu.home.pl\/autoinstalator\/wordpress1\/?p=57"},"modified":"2022-08-19T15:46:46","modified_gmt":"2022-08-19T13:46:46","slug":"co-to-sa-wilcze-pazury","status":"publish","type":"post","link":"https:\/\/kakadu.pl\/blog\/co-to-sa-wilcze-pazury\/","title":{"rendered":"Co to s\u0105 wilcze pazury?"},"content":{"rendered":"<p>Pies ma u tylnych \u0142ap tylko cztery palce. Czasami jednak rodz\u0105 si\u0119 szczeniaki, u kt\u00f3rych w tylnych ko\u0144czynach wyst\u0119puj\u0105 dodatkowe, szcz\u0105tkowe palce. I to w\u0142a\u015bnie one nazywany jest potocznie <strong>wilczymi pazurami<\/strong>. S\u0105 zupe\u0142nie niepotrzebne i cz\u0119sto chirurgicznie s\u0105 usuwane. Ale sk\u0105d si\u0119 one w og\u00f3le bior\u0105?<\/p>\n<p>Podczas polowania <strong>psy<\/strong> \u015bcigaj\u0105 swoj\u0105 zdobycz. Musz\u0105 zatem szybko biega\u0107. Jednym z ewolucyjnych przystosowa\u0144 do szybkiego biegu jest redukcja liczby palc\u00f3w. Wystarczy spojrze\u0107 na takiego konia \u2013 w ka\u017cdej ko\u0144czynie ma tylko po jednym, cho\u0107 bardzo wyd\u0142u\u017conym, palcu. U ps\u00f3w zredukowane zosta\u0142y tylko pierwsze palce. W przednich \u0142apach wyst\u0119puj\u0105 one w formie szcz\u0105tkowej (podczas chodzenia wcale nie dotykaj\u0105 ziemi), w tylnych za\u015b nie ma ich wcale.<\/p>\n<p>Mimo braku tych palc\u00f3w, w psich genach nadal istnieje o nich informacja. Tyle tylko, \u017ce geny odpowiedzialne za ich rozw\u00f3j pozostaj\u0105 nieaktywne. Od czasu do czasu jednak \u201ebudz\u0105 si\u0119\u201d daj\u0105c o sobie zna\u0107 i w\u00f3wczas rodzi si\u0119 szczeniak z <strong>wilczymi pazurami<\/strong>. Fachowo nazywamy to atawizmem. Co\u015b jakby krokiem w ty\u0142 w ewolucji. U ludzi takim przyk\u0142adem s\u0105 z\u0119by m\u0105dro\u015bci.<\/p>\n<p>Tekst: Jacek P. Naro\u017cniak<br \/>\nZdj\u0119cie: Fotolia.com<\/p>\n<p><a href=\"https:\/\/kakadu.pl\/blog\/\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-6861\" src=\"https:\/\/kakadu.pl\/blog\/wp-content\/uploads\/2014\/05\/banerek-promocyjny-kakadu1.jpg\" alt=\"banerek-promocyjny-kakadu1\" width=\"940\" height=\"109\" \/><\/a><br \/>\n<iframe loading=\"lazy\" src=\"https:\/\/kakadu.pl\/adbox.php?id=190&hash=998dac33f23ac82d6c30c13b1a849a4e\" width=\"100%\" height=\"940\" style=\"width:100%; height:940px;\" frameborder=\"0\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pies ma u tylnych \u0142ap tylko cztery palce. Czasami jednak rodz\u0105 si\u0119 szczeniaki, u kt\u00f3rych w tylnych ko\u0144czynach wyst\u0119puj\u0105 dodatkowe, szcz\u0105tkowe palce. I to w\u0142a\u015bnie one nazywany jest potocznie wilczymi...<\/p>\n","protected":false},"author":4,"featured_media":58,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[6,4],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Co to s\u0105 wilcze pazury? | \ud83d\udc36 Blog Kakadu ZOO<\/title>\n<meta name=\"description\" content=\"Co to s\u0105 wilcze pazury? \ud83d\udc31 Sprawd\u017a informacje oraz wiedz\u0119, kt\u00f3r\u0105 dziel\u0105 si\u0119 specjali\u015bci Kakadu \ud83d\udc36\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/kakadu.pl\/blog\/co-to-sa-wilcze-pazury\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Co to s\u0105 wilcze pazury? | \ud83d\udc36 Blog Kakadu ZOO\" \/>\n<meta property=\"og:description\" content=\"Co to s\u0105 wilcze pazury? \ud83d\udc31 Sprawd\u017a informacje oraz wiedz\u0119, kt\u00f3r\u0105 dziel\u0105 si\u0119 specjali\u015bci Kakadu \ud83d\udc36\" \/>\n<meta property=\"og:url\" content=\"https:\/\/kakadu.pl\/blog\/co-to-sa-wilcze-pazury\/\" \/>\n<meta property=\"og:site_name\" content=\"Sie\u0107 sklep\u00f3w zoologicznych Kakadu\" \/>\n<meta property=\"article:published_time\" content=\"2013-06-03T07:59:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-08-19T13:46:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/kakadu.pl\/blog\/wp-content\/uploads\/2014\/05\/Co-to-sa-wilcze-pazury.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"940\" \/>\n\t<meta property=\"og:image:height\" content=\"580\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Jacek P. 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