{"id":1507,"date":"2016-03-24T00:00:00","date_gmt":"2016-03-23T16:00:00","guid":{"rendered":"http:\/\/www.osaces.com\/?p=1507"},"modified":"2016-03-24T00:00:00","modified_gmt":"2016-03-23T16:00:00","slug":"jinlisuoxuyaodeyingyangwuzhi","status":"publish","type":"post","link":"http:\/\/www.osaces.com\/en\/jinlisuoxuyaodeyingyangwuzhi\/","title":{"rendered":"Nutrients needed by Koi"},"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:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">For koi, body color is one of the main factors affecting their value.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">The body color of koi is largely determined by genetics, but many factors<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">(<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">Such as light, physiological conditions, feed nutrition, etc.<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">)<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">All can affect the body color of fish. Many studies have shown that fish can use carotenoids as muscle and skin color seeers, but fish cannot synthesize these pigments on their own and can only obtain them from food. Common carotenoids found in aquatic animals are<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">B<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">A carob system, luteinizing hormone, zeaxanthin, tuna xanthin and astaxanthin. Koi can metabolize zeaxanthin into astaxanthin, which gives itself a red color.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">Koi also have different abilities to absorb and utilize various pigments, and the absorption rates are, in descending order, as follows<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">:<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">Zeaxanthin, astaxanthin, lutein. Since fish have the ability to convert zeaxanthin and astaxanthin into vitamin<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">A<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">The ability of the feed, so the vitamin<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">A<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">Deficiencies affect the deposition of carotenoids by koi, and vitamin<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">E<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">etc. may promote the utilization of carotenoids.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size:15px;font-family: 'Helvetica','sans-serif';color:#3E3E3E\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">The pigments themselves have different configurations and vary in their color-enhancing effects. Natural pigments have a spinning property, and the deposition rate in the fish can be as high as<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">100%<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">, which is higher than synthetic pigments. Spirulina, Chlorella and Rainwater Chlorella powder are all excellent sources of pigment to improve the body color of koi, but Spirulina is the main one that is currently used more often.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">In Japan, Spirulina has been used as a color enhancer for koi for a long time. When Spirulina is fed to ornamental fish, both red pigmented fish (e.g. koi, goldfish) and non-red pigmented fish, their body color will become equally bright and beautiful. And the growth and reproduction ability increased significantly. Chemical synthesis method of coloring agents produced by carotene, lycopene, carotene aldehyde or ethyl carotene, citrus flavors and astaxanthin, etc., will be added to the fish feed, have a certain role in improving body color. There is also a class of coloring agents are extracted from natural pigment sources, such as microorganisms red Fife yeast can produce more than a dozen kinds of carotenoids, which is mainly astaxanthin and carotene, and astaxanthin content in the wild mushrooms can be accounted for<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">40%~95%<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">. At present, foreign scholars in Bulgarian yogurt isolated a deep red Fife yeast, compared with the red Fife yeast its astaxanthin production is higher<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">80<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">times, and has lower nutritional requirements and faster production rates, thus holding out the prospect of commercializing astaxanthin production and contributing to color enhancement in koi.<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size:15px;font-family: 'Helvetica','sans-serif';color:#3E3E3E\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">It should be noted that, in koi culture, the degree of vividness of body color within a certain range is positively correlated with the content of carotenoids in the food and the length of feeding time, but the color of the fish body is not always deepened with the amount of added pigment, on the contrary, if the amount of added pigment exceeds a certain limit<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">0<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">, the amount of pigment deposited in the muscle of the fish body increases decreases.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">In addition, there are some differences in the ability to deposit pigments at different developmental stages or physiological states of koi, and there are also differences in the ability to deposit pigments between the sexes, which are generally stronger in males than in females. For the same fish in<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">\"<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">color change period<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">\"<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">The coloration was more pronounced and the distribution of pigments in different parts of the fish tail was not uniform.<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">&gt;<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">fish scales<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">&gt;<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">fig. upright and unwilling compromise<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">&gt;<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">Fish.<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">&nbsp;<\/span><\/p>\n<p style=\";margin-bottom:0;line-height:32px;background:white\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">In addition, the health condition of the fish body will affect the feeding rate and digestibility, which in turn will affect its absorption and utilization of pigment, the amount of pigment deposited on the body surface and in the muscle, and the color of the fish body. The culture environment of the fish body such as light, water temperature and dissolved oxygen,<\/span><span style=\"font-size: 15px;font-family: Arial, sans-serif;color: rgb(89, 89, 89)\">pH<\/span><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">, plankton, etc. all affect the rate of pigment deposition on the body surface and muscles. Poor water environment affects the living conditions of the fish, which in turn affects the absorption and deposition of pigments.<\/span><\/p>\n<p style=\"margin-bottom: 0px; line-height: 32px; background: white;\"><span style=\"font-size: 15px;color: rgb(89, 89, 89)\">It is impossible to specify all the nutritional requirements of koi due to the influence of many factors such as species, water temperature, age, size, vigor, etc. The above is only a reference range for the nutritional requirements of koi. The above is only a reference range for the nutritional requirements of koi, which should be adjusted according to the actual situation in the application.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>For koi, body color is one of the main factors affecting their value.   The body color of koi is mainly genetically determined, but many factors (such as light, [...]<\/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\u6240\u9700\u8981\u7684\u8425\u517b\u7269\u8d28 - \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\/en\/jinlisuoxuyaodeyingyangwuzhi\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9526\u9ca4\u6240\u9700\u8981\u7684\u8425\u517b\u7269\u8d28 - \u5965\u5229\u4ed5\uff08\u5e7f\u5dde\uff09\u5eb7\u4f53\u8bbe\u5907\u6709\u9650\u516c\u53f8\" \/>\n<meta property=\"og:description\" content=\"\u5bf9\u9526\u9ca4\u800c\u8a00\uff0c\u4f53\u8272\u662f\u5f71\u54cd\u5176\u4ef7\u503c\u7684\u4e3b\u8981\u56e0\u7d20\u4e4b\u4e00\u3002 &nbsp; 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