{"id":1513,"date":"2016-03-24T00:00:00","date_gmt":"2016-03-23T16:00:00","guid":{"rendered":"http:\/\/www.osaces.com\/?p=1513"},"modified":"2016-03-24T00:00:00","modified_gmt":"2016-03-23T16:00:00","slug":"jinliyuchirongyangliangjieshao","status":"publish","type":"post","link":"http:\/\/www.osaces.com\/fr\/jinliyuchirongyangliangjieshao\/","title":{"rendered":"Introduction \u00e0 l'oxyg\u00e8ne dissous dans les \u00e9tangs de carpes ko\u00ef"},"content":{"rendered":"<p><!--div  class=\"titlezy\" > \u670d\u52a1\u70ed\u7ebf\uff1a4000-896-838  <\/div-->\n<div class=\"clear\"><\/div>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><strong><span style=\"font-family:\u5b8b\u4f53\">Les amateurs de poissons savent que le manque d'oxyg\u00e8ne peut menacer la vie de leurs carpes ko\u00ef, mais ils ne r\u00e9alisent peut-\u00eatre pas que de subtiles diff\u00e9rences dans l'oxyg\u00e8ne dissous (OD) peuvent \u00e9galement alt\u00e9rer gravement la croissance des carpes ko\u00ef. De m\u00eame, la menace qui p\u00e8se sur l'effet autonettoyant et filtrant de l'environnement aquatique pour les ko\u00efs peut affecter consid\u00e9rablement l'environnement aquatique dans lequel les ko\u00efs se d\u00e9veloppent.<\/span><\/strong><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><span style=\"font-size:19px;font-family:'\u5fae\u8f6f\u96c5\u9ed1','sans-serif';color:#595959\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><strong><span style=\"font-size: 20px;font-family: \u5b8b\u4f53;color: rgb(61, 170, 214)\">Effets de la concentration en oxyg\u00e8ne dissous dans la colonne d'eau sur la croissance de la carpe ko\u00ef (Cyprinus carpio)<\/span><\/strong><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><span style=\";color:#595959\">En g\u00e9n\u00e9ral, la concentration d'oxyg\u00e8ne dissous dans la colonne d'eau (<\/span><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">DO<\/span><span style=\";color:#595959\">) est tr\u00e8s faible (par litre d'eau)<\/span><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">8.11<\/span><span style=\";color:#595959\">~<\/span><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">7.53<\/span><span style=\";color:#595959\">(mg). Plus la temp\u00e9rature de l'eau est \u00e9lev\u00e9e, plus la teneur en oxyg\u00e8ne dissous est faible. La teneur en oxyg\u00e8ne dissous est un facteur important qui influe sur la consommation de nourriture des ko\u00efs, leur taux de digestion et d'absorption et leur taux de croissance.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">Oxyg\u00e8ne dissous dans l'eau jusqu'\u00e0<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">5<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">milligramme<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">\/<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">L'augmentation de l'app\u00e9tit des ko\u00efs est extr\u00eamement \u00e9vidente lorsque le niveau d'oxyg\u00e8ne augmente.<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">7<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">milligramme<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">\/<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">Le taux de croissance des carpes ko\u00ef en litres \u00e9tait plus \u00e9lev\u00e9 qu'en oxyg\u00e8ne dissous.<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">4<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">milligramme<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">\/<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">Le coefficient d'app\u00e2t sera \u00e0 son tour inf\u00e9rieur d'un tiers \u00e0 la moiti\u00e9. Lorsque la teneur en oxyg\u00e8ne dissous atteint<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">6<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">milligramme<\/span><\/strong><strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">\/<\/span><\/strong><strong><span style=\"font-family:\u5b8b\u4f53;color:#595959\">Le coefficient d'app\u00e2t atteint un excellent niveau lorsqu'il est sup\u00e9rieur \u00e0 un litre. Lorsque l'oxyg\u00e8ne dissous dans le plan d'eau est insuffisant, la capacit\u00e9 d'activit\u00e9 du koi est affaiblie, la qualit\u00e9 du corps est r\u00e9duite, la r\u00e9sistance aux maladies est rapidement r\u00e9duite et les maladies augmentent.<\/span><\/strong><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><span style=\"font-size:19px;font-family:'\u5fae\u8f6f\u96c5\u9ed1','sans-serif';color:#595959\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><strong><span style=\"font-size:20px;font-family:\u5b8b\u4f53;color:#3DAAD6\">Effets de la concentration en oxyg\u00e8ne dissous sur le milieu de croissance (plan d'eau) de la carpe ko\u00ef<\/span><\/strong><span style=\"font-family:'Helvetica','sans-serif';color:#595959\"><br \/> <\/span><span style=\";color:#595959\">La m\u00e9thode consistant \u00e0 nettoyer l'eau en faisant manger les polluants (principalement des mati\u00e8res organiques) par des micro-organismes est appel\u00e9e<\/span><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">\"<\/span><span style=\";color:#595959\">biofiltration<\/span><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">\"<\/span><span style=\";color:#595959\">L'oxyg\u00e8ne a un r\u00f4le important \u00e0 jouer dans la filtration biologique. Si la concentration d'oxyg\u00e8ne dans l'eau est faible, les micro-organismes ne peuvent pas se reproduire, ce qui emp\u00eache la filtration biologique de fonctionner correctement, d\u00e9t\u00e9riorant ainsi la qualit\u00e9 de l'eau. Des substances nocives et des agents pathog\u00e8nes se d\u00e9veloppent, entra\u00eenant des maladies et la mort des ko\u00efs.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:28px;background:white\"><span style=\"font-family:'Helvetica','sans-serif';color:#595959\">&nbsp;<\/span><\/p>\n<p style=\"margin-bottom: 0px; line-height: 28px; background: white;\"><span style=\";color:#595959\">En ce qui concerne les performances d'une cuve de filtration, une grande surface de filtration est importante, mais sa fonction est de d\u00e9terminer si l'oxyg\u00e8ne peut \u00eatre fourni de mani\u00e8re ad\u00e9quate. C'est un syst\u00e8me de filtration qui fournit suffisamment d'oxyg\u00e8ne pour que les micro-organismes puissent continuer \u00e0 se multiplier et que l'eau puisse \u00eatre purifi\u00e9e efficacement.<strong><span style=\"font-family:\u5b8b\u4f53\">Plus pr\u00e9cis\u00e9ment, si le m\u00e9dia filtrant est facilement colmat\u00e9, les polluants tels que les f\u00e8ces de ko\u00ef y adh\u00e9reront en peu de temps, puis les micro-organismes se multiplieront rapidement et mangeront les polluants. Cependant, \u00e0 mesure que les micro-organismes se multiplient, la quantit\u00e9 d'oxyg\u00e8ne consomm\u00e9e augmente, et si l'oxyg\u00e8ne n'est pas introduit dans le milieu filtrant, les micro-organismes meurent soudainement par manque d'oxyg\u00e8ne. L'oxyg\u00e8ne est introduit dans le m\u00e9dia filtrant dans le sens de la formation d'un flux d'eau dans le m\u00e9dia filtrant. Si le m\u00e9dia filtrant est facilement obstru\u00e9, le flux d'eau n'est pas suffisamment large, les micro-organismes sont donc priv\u00e9s d'oxyg\u00e8ne, ils ne peuvent pas se reproduire et la cuve du filtre a tendance \u00e0 d\u00e9gager des odeurs (odeurs de boue).<\/span><\/strong><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Les amateurs de poissons savent que le manque d'oxyg\u00e8ne peut menacer la vie de leurs carpes ko\u00ef, mais ils ne r\u00e9alisent peut-\u00eatre pas que de subtiles diff\u00e9rences dans l'oxyg\u00e8ne dissous (OD) peuvent \u00e9galement alt\u00e9rer s\u00e9rieusement la croissance des carpes ko\u00ef. Aussi pour les ko\u00efs [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[125],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u9526\u9ca4\u9c7c\u6c60\u6eb6\u6c27\u91cf\u4ecb\u7ecd - \u5965\u5229\u4ed5\uff08\u5e7f\u5dde\uff09\u5eb7\u4f53\u8bbe\u5907\u6709\u9650\u516c\u53f8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.osaces.com\/fr\/jinliyuchirongyangliangjieshao\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9526\u9ca4\u9c7c\u6c60\u6eb6\u6c27\u91cf\u4ecb\u7ecd - \u5965\u5229\u4ed5\uff08\u5e7f\u5dde\uff09\u5eb7\u4f53\u8bbe\u5907\u6709\u9650\u516c\u53f8\" \/>\n<meta property=\"og:description\" content=\"\u9c7c\u53cb\u4eec\u90fd\u77e5\u9053\u7f3a\u6c27\u4f1a\u5a01\u80c1\u5230\u7231\u9ca4\u7684\u751f\u547d\uff0c\u5374\u53ef\u80fd\u4e0d\u77e5\u9053\u6eb6\u6c27\u5ea6\uff08DO\uff09\u7684\u7ec6\u5fae\u5dee\u5f02\u4e5f\u4f1a\u4e25\u91cd\u6539\u53d8\u9526\u9ca4\u7684\u751f\u957f\u60c5\u51b5\u3002\u540c\u65f6\u5bf9\u9526\u9ca4 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.osaces.com\/fr\/jinliyuchirongyangliangjieshao\/\" \/>\n<meta property=\"og:site_name\" content=\"\u5965\u5229\u4ed5\uff08\u5e7f\u5dde\uff09\u5eb7\u4f53\u8bbe\u5907\u6709\u9650\u516c\u53f8\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-23T16:00:00+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.osaces.com\/#website\",\"url\":\"http:\/\/www.osaces.com\/\",\"name\":\"\u5965\u5229\u4ed5\uff08\u5e7f\u5dde\uff09\u5eb7\u4f53\u8bbe\u5907\u6709\u9650\u516c\u53f8\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.osaces.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.osaces.com\/jinliyuchirongyangliangjieshao\/#webpage\",\"url\":\"http:\/\/www.osaces.com\/jinliyuchirongyangliangjieshao\/\",\"name\":\"\u9526\u9ca4\u9c7c\u6c60\u6eb6\u6c27\u91cf\u4ecb\u7ecd - 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