{"id":50176,"date":"2021-08-24T13:46:31","date_gmt":"2021-08-24T11:46:31","guid":{"rendered":"https:\/\/lohmann-breeders.com\/new-performance-standards-genetics-progress-continues\/"},"modified":"2022-02-15T12:32:28","modified_gmt":"2022-02-15T11:32:28","slug":"%d8%ad%d8%aa%d8%af%d9%8a%d8%ab-%d9%85%d8%b9%d8%a7%d9%8a%d9%8a%d8%b1-%d9%82%d9%8a%d8%a7%d8%b3-%d8%a7%d8%a2%d9%84%d8%af%d8%a7%d8%a1-%d8%a7%d8%a5%d9%84%d9%86%d8%aa%d8%a7%d8%ac%d9%8a-%d8%a7%d9%85%d9%84","status":"publish","type":"post","link":"https:\/\/lohmann-breeders.com\/ar\/%d8%ad%d8%aa%d8%af%d9%8a%d8%ab-%d9%85%d8%b9%d8%a7%d9%8a%d9%8a%d8%b1-%d9%82%d9%8a%d8%a7%d8%b3-%d8%a7%d8%a2%d9%84%d8%af%d8%a7%d8%a1-%d8%a7%d8%a5%d9%84%d9%86%d8%aa%d8%a7%d8%ac%d9%8a-%d8%a7%d9%85%d9%84\/","title":{"rendered":"\u062d\u062a\u062f\u064a\u062b \u0645\u0639\u0627\u064a\u064a\u0631 \u0642\u064a\u0627\u0633 \u0627\u0622\u0644\u062f\u0627\u0621  \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a \u0627\u0645\u0644\u0633\u062a\u0647\u062f\u0641 \u0627\u0644\u062a\u0642\u062f\u0645 \u0641\u064a \u0627\u0644\u062a\u0637\u0648\u064a\u0631 \u0627\u0644\u0648\u0631\u0627\u062b\u064a \u0645\u0633\u062a\u0645\u0631"},"content":{"rendered":"<div class=\"subtitle\">\u064f\u064a\u062c\u0631\u0649 \u0627\u0644\u0639\u0645\u0644 \u0639\u0644\u0649 \u0630\u0627\u062a \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0622\u0644\u062f\u0627\u0621 \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0627\u0645\u0644\u0633\u062a\u0647\u062f\u0641 \u0628\u0643\u0627\u0641\u0629 \r\n\u0633\u0627\u0644\u0627\u0644\u062a \u062f\u062c\u0627\u062c \u0644\u0648\u0647\u0645\u0627\u0646 \u0627\u0644\u0628\u064a\u0627\u0636 \u0645\u0646\u0630 \u0645\u0627 \u064a\u0632\u064a\u062f \u0639\u0646 4 \u0633\u0646\u0648\u0627\u062a \u062f\u0648\u0646 \u062d\u062a\u062f\u064a\u062b \u0623\u0648 \u062a\u063a\u064a\u064a\u0631.<\/div>\r\n<p><strong>\u0641\u064a \u0630\u0627\u062a \u0627\u0644\u0641\u062a\u0631\u0629 \u0627\u0644\u0632\u0645\u0646\u064a\u0629\u060c \u0627\u0632\u062f\u0627\u062f\u062a \u0625\u0645\u0643\u0627\u0646\u064a\u0627\u062a \u0627\u0644\u0637\u064a\u0648\u0631 \u0648\u062a\u0637\u0648\u0631\u062a \u0645\u0642\u062f\u0631\u062a\u0647\u0627 \u0627\u0644\u0648\u0631\u0627\u062b\u064a\u0629 \r\n\u064b \u0648\u062d\u062a\u0633\u0646 \u0627\u0622\u0644\u062f\u0627\u0621 \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a \u0627\u0645\u0644\u0648\u0631\u0648\u062b &#8211; 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\u0631\u063a\u0645 \u0645\u062a\u0627\u0628\u0639\u062a\u0647 \u0628\u062f\u0642\u0629 \u0648\u0631\u0635\u062f\u0647 &#8211; \u0639\u0644\u0649 \u0643\u0644 \u062c\u064a\u0644\u060c \u0641\u0642\u062f \u062a\u0631\u0627\u0643\u0645 \u0627\u0644\u062a\u0637\u0648\u0631 \u0648\u0627\u0644\u062a\u0642\u062f\u0645 \r\n\u0627\u0644\u0648\u0631\u0627\u062b\u064a \u0648\u0627\u0644\u0628\u064a\u0626\u064a \u0639\u0644\u0649 \u0645\u062f\u0649 \u0627\u0623\u0644\u0631\u0628\u0639\u0629 \u0633\u0646\u0648\u0627\u062a \u0627\u0645\u0644\u0646\u0635\u0631\u0645\u0629 \u062d\u062a\u0649 \u0627\u0622\u0644\u0646.\r\n\u064b \u0639\u0644\u0649 \u0625\u062c\u0631\u0627\u0621 \u0627\u0644\u062a\u0639\u062f\u064a\u0627\u0644\u062a \u0627\u0644\u0627\u0644\u0632\u0645\u0629 \u0644\u062a\u062d\u062f\u064a\u062b \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0633\u062a\u0648\u064a\u0627\u062a \r\n \u0644\u0630\u0627\u060c \u0641\u0642\u062f \u0639\u0643\u0641\u0646\u0627 \u0645\u0624\u062e\u0631\u0627\r\n\u0627\u0622\u0644\u062f\u0627\u0621 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0627\u062c\u0644\u062f\u064a\u062f\u0629 \u0648\u0627\u0644\u062a\u064a \u0627\u0646\u062a\u0647\u064a\u0646\u0627 \u0645\u0646\u0647\u0627 \u0648\u0623\u0635\u062f\u0631\u062a \u0641\u064a \u0645\u0646\u062a\u0635\u0641 \u0639\u0627\u0645 2021.\r\n<br \/>\r\n\u0643\u0627\u0646\u062a \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0622\u0644\u062f\u0627\u0621 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0644\u0633\u0627\u0644\u0627\u0644\u062a \r\n\u0644\u0648\u0647\u0645\u0627\u0646 \u0627\u0645\u0644\u062e\u062a\u0644\u0641\u0629 \u062a\u0646\u062d\u0635\u0631 \u0641\u0642\u0637 \u0628\u0625\u0635\u062f\u0627\u0631\u0627\u062a\u0647\u0627 \r\n\u0639\u0644\u0649 \u0646\u0638\u0627\u0645 \u0627\u0644\u062a\u0633\u0643\u0646\u064a \u0628\u0627\u0623\u0644\u0642\u0641\u0627\u0635 \u062d\u062a\u0649 \u0639\u0627\u0645 \r\n\u0651\u0627\u060c \u0648\u0628\u0639\u062f \u0647\u0630\u0627 \u0627\u0644\u062a\u0627\u0631\u064a\u062e\u060c \u0641\u0644\u0642\u062f \r\n2008 .\u0625\u0646\r\n\u062d\u0644 \u0648\u062a\u0632\u0627\u064a\u062f \u0648\u0633\u0627\u062f \u0627\u0642\u062a\u0646\u0627\u0621 \u0627\u0644\u0637\u064a\u0648\u0631 \u0628\u0623\u0646\u0638\u0645\u0629 \r\n\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0623\u0644\u0642\u0641\u0627\u0635 \u0628\u0628\u0639\u0636 \u0627\u0644\u0628\u0644\u062f\u0627\u0646\u060c \u0648\u0634\u0627\u0639 \r\n\u0628\u0639\u062f\u0647\u0627 \u062a\u0641\u0636\u064a\u0644 \u0625\u0645\u0646\u0627\u0621 \u0648\u0631\u0639\u0627\u064a\u0629 \u0627\u0644\u0637\u064a\u0648\u0631 &#8220;\u0636\u0645\u0646 \r\n\u0623\u0646\u0638\u0645\u0629 \u0627\u0625\u0644\u0633\u0643\u0627\u0646 \u0627\u0644\u0628\u062f\u064a\u0644\u0629&#8221; \u0643\u0646\u0638\u0627\u0645 \u0642\u064a\u0627\u0633\u064a \r\n\u064f\u0645\u062d\u0628\u0630 \u0644\u062f\u0649 \u0645\u0639\u0638\u0645 \u0627\u0645\u0644\u0646\u062a\u062c\u0646\u064a \u0628\u062f\u0648\u0644 \u0623\u0648\u0631\u0648\u0628\u0627.<\/strong>.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44251\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/europe-cage-housing.png\" alt=\"\" width=\"1000\" height=\"400\" \/><\/p>\r\n<p>\u064a\u0643\u0646 \u062a\u0644\u062e\u064a\u0635 \u0627\u0644\u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0648\u0627\u0644\u062a\u062d\u062f\u064a\u062b\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0639\u0644\u0649 \u0643\u0627\u0641\u0629 \u0627\u0645\u0644\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0641\u064a \u0627\u0622\u0644\u062a\u064a:<\/p>\r\n<ul class=\"milista\">\r\n\t<li>\u0627\u0632\u062f\u064a\u0627\u062f \u0645 \u0651\u0639\u062f\u0644 \u0627\u0622\u0644\u062f\u0627\u0621 \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a \u0648\u0645\u0633\u062a\u0648\u0649 \r\n\u064f\u062a\u0642\u062f\u0645\u0629 \u0639\u0644\u0649 \u0623\u062b\u0631 \r\n\u0648\u0636\u0639 \u0627\u0644\u0628\u064a\u0636 \u0628\u0627\u0623\u0644\u0639\u0645\u0627\u0631 \u0627\u0645\u0644\r\n\u064f \u0627\u0644\u062a\u062d\u0633\u064a\u0646\u0627\u062a \u0627\u0645\u0644\u0624\u0635\u0644\u0629 \u062c\u0644\u0647\u0629 \u0627\u0633\u062a\u0637\u0627\u0644\u0629 \u0645\u062f\u0629 \r\n\u064f\u062b\u0627\u0628\u0631\u0629 \u0639\u0644\u0649 \u0627\u0633\u062a\u062f\u0627\u0645\u0629 \r\n\u062a\u0641\u0648\u0642 \u0646\u0633\u0628 \u0627\u0625\u0644\u0646\u062a\u0627\u062c \u0648\u0627\u0645\u0644\r\n\u0627\u0644\u0642\u0645\u0629 \u0644\u0641\u062a\u0631\u0629 \u0623\u0637\u0648\u0644 \u0628\u0627\u0645\u0644\u0631\u062d\u0644\u0629 \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a\u0629.<\/li>\r\n\t<li>\u0627\u0645\u062a\u062f\u0627\u062f \u0648\u0645\u062f \u0648\u0627\u0633\u062a\u0637\u0627\u0644\u0629 \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0622\u0644\u062f\u0627\u0621 \u0627\u0644\u0642\u064a\u0627\u0633\u064a \r\n\u0628\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u0633\u0643\u0646\u064a \u0627\u062e\u0644\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0623\u0644\u0642\u0641\u0627\u0635 \u062d\u062a\u0649 \r\n\u064b \u0639\u0646 \r\n\u064f\u0651\u0646\u064a\u0629 )\u0639\u0648\u0636\u0627\r\n\u064f\u0639\u0645\u0631 90 \u0623\u0633\u0628\u0648\u0639 \u0644\u0644\u0633\u0627\u0644\u0627\u0644\u062a \u0627\u0644\u0628\r\n85 \u0623\u0633\u0628\u0648\u0639(\u060c \u0643\u0645\u0627 \u0648\u0627\u0645\u062a\u062f\u062a \u0648\u0627\u0633\u062a\u0637\u0627\u0644\u062a \u0641\u062a\u0631\u0629 \r\n\u064f \u0627\u0644\u0639\u0645\u0631 \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a \u0628\u0643\u0627\u0641\u0629 \u0627\u0644\u0633\u0627\u0644\u0627\u0644\u062a \u0627\u0623\u0644\u062e\u0631\u0649 &#8211; \r\n\u064f \u064f \u0632\u0631\u0643\u0634\u0629 &#8211; \u0625\u0644\u0649 \u0639\u0645\u0631100 \u0623\u0633\u0628\u0648\u0639.\r\n\u0627\u0644\u0628\u064a\u0636\u0627\u0621 \u0648\u0627\u0645<\/li>\r\n\t<li>\u062a \u064e\u0651\u0628\u0643\u0631 \u0639\u0645\u0631 \u0627\u0644\u0646\u0636\u062c \u0627\u062c\u0644\u0646\u0633\u064a \u0627\u0644\u0642\u064a\u0627\u0633\u064a \u0628\u0623\u0646\u0638\u0645\u0629 \r\n\u064b \u0623\u0628\u0643\u0631\u060c \u0644\u064a\u062a\u0642\u062f\u0645 \r\n\u0627\u0644\u0631\u0639\u0627\u064a\u0629 \u0627\u0644\u0637\u0644\u064a\u0642\u0629 \u0627\u062d\u0644\u0631\u0629 \u0623\u0633\u0628\u0648\u0639\u0627\r\n\u064f \u0625\u0644\u0649 \u0639\u0645\u0631 19 \u064f \u0623\u0633\u0628\u0648\u0639 \u0645\u0639 \u0645\u0639\u062f\u0644 \u0625\u0646\u062a\u0627\u062c\u064a \u0642\u062f\u0631\u0647 \r\n%10( \u064b \u0628\u062f\u0627\u0644 \u064f \u0645\u0646 \u0639\u0645\u0631 20 \u0623\u0633\u0628\u0648\u0639(. <\/li>\r\n\t<li>\u062a\u0633\u0637\u062d \u0645\u0646\u062d\u0646\u0649 \u0648\u0632\u0646 \u0627\u0644\u0628\u064a\u0636 \u0627\u0644\u0646\u0627\u062c\u062a: \u0639\u0646\u062f \u0630\u0627\u062a \r\n\u064f\u0645 \u064f \u0639\u062f\u0627\u0644\u062a \u0648\u0632\u0646 \u0627\u0644\u0628\u064a\u0636 \u0642\u0628\u0644 \u0639\u0645\u0631 40 \u0623\u0633\u0628\u0648\u0639\u060c \r\n\u0651 \u0645\u0639 \u062d\u062a\u0642\u064a\u0642 \u0632\u064a\u0627\u062f\u0627\u062a \u0637\u0641\u064a\u0641\u0629 \u0627\u0644\u062d\u0642\u0629 \u0628\u062a\u0642\u062f \u064f \u0645 \u0627\u0644\u0639\u0645\u0631\u060c \r\n\u0645\u0646 \u0623\u062c\u0644 \u062d\u062a\u0642\u064a\u0642 \u0623\u0644\u0637\u0648\u0644 \u0627\u0633\u062a\u062f\u0627\u0645\u0629 \u0648\u0623\u0641\u0636\u0644 \u0627\u0633\u062a\u0642\u0631\u0627\u0631 \r\n\u064f\u062a\u0623\u062e\u0631\u0629. \r\n\u064a\u062a\u0639\u0644\u0642 \u0628\u0642\u0648\u0629 \u0648\u0635\u0627\u0644\u0628\u0629 \u0627\u0644\u0642\u0634\u0631\u0629 \u0628\u0627\u0623\u0644\u0639\u0645\u0627\u0631 \u0627\u0645<\/li>\r\n\t<li>\u0644\u0645 \u0646 \u064f \u062d\u062f\u062b \u062a\u063a\u064a\u064a\u0631\u0627\u062a \u0639\u0644\u0649 \u0645\u0639\u062f\u0627\u0644\u062a \u0648\u0632\u0646 \r\n\u0627\u062c\u0644\u0633\u0645 \u0627\u0645\u0644\u0633\u062a\u0647\u062f\u0641 )\u0628\u0639\u062f \u062a\u0644\u0643 \u0627\u0644\u062a\u0639\u062f\u064a\u0627\u0644\u062a \r\n\u0627\u0645\u0644\u0633\u062c\u0644\u0629 \u0641\u064a \u062a\u0648\u0635\u064a\u0627\u062a \u0639\u0627\u0645 2018.<\/li>\r\n<\/ul>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44251\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/major-changes.png\" alt=\"\" width=\"1000\" height=\"400\" \/><\/p>\r\n<h2>\u064f\u062b\u0627\u0628\u0631\u0629 \u0627\u0625\u0644\u0646\u062a\u0627\u062c\u064a\u0629\r\n\u0627\u0644\u062a\u062d\u0633\u064a\u0646\u0627\u062a \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0627\u0645<\/h2>\r\n<p>Especially after 60 weeks of age, the laying performance of the hens has improved. <strong>This is the consequence of the top-ranking selection target of laying persistency and late shell quality.<\/strong><br \/>\r\nThe increased number of saleable eggs from a longer production cycle of a flock gives an economic advantage to the egg producer. <br \/>\r\nThe cost for the pullet is distributed to a higher number of eggs and therefore the pullet costs per egg are reduced.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44251\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/eggs.png\" alt=\"\" width=\"1000\" height=\"400\" \/><\/p>\r\n<p><strong>Under field conditions, more and more flocks show a longer production period and therefore the length of the cage free standards have been prolonged to 90 weeks for brown varieties and to 100 weeks for white varieties.<\/strong><\/p>\r\n<div class=\"subtitle\">In alternative management for brown birds it is still more difficult to keep the flocks as long as in cages but in white birds, there is nearly no more gap in the killing age between cage and cage free flocks.<\/div>\r\n<div class=\"references\">Table: New performance standards for alternative housing systems<\/div>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44257\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/table1-genetics-new-standards.png\" alt=\"\" width=\"800\" height=\"488\" \/><\/p>\r\n<p>As an example, you can see from the next table the comparison of the old to the new standards for LSL CLASSIC in cage free housing. The egg number at 72 weeks has increased by 6.3 eggs. <strong>This increase comes from 2 components: better persistency and the one week earlier start of lay compared to the old standard.<\/strong><\/p>\r\n<div class=\"references\">Table: Example comparison of old and new standard for LSL CLASSIC in alternative housing systems at 72 and 85 weeks<\/div>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44257\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/table2-genetics-new-standards.png\" alt=\"\" width=\"800\" height=\"488\" \/><\/p>\r\n<h2>How to read the performance standards<\/h2>\r\n<p>The LOHMANN breed standards for both cages and alternative housing systems are created in a way, that the target values do not correspond to the maximum performance that can be reached. <strong>The maximum performance will only be achieved if always perfect conditions for the birds are provided. This is not realistic under \u201creal live\u201d field conditions.<\/strong><br \/>\r\nTherefore, our standards are based on average field conditions and should be realistic and reachable under average management- and environmental conditions.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44245\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/field-hens.png\" alt=\"\" width=\"1000\" height=\"400\" \/><\/p>\r\n<div class=\"subtitle\">The genetic potential of LOHMANN Layers is much higher than the performance targets and is represented in the top performing flocks which can reach 10-20 eggs more than the standards. It is very clear that under moderate climate conditions like in Europe, it is easier to achieve the targets than under hot climate conditions in which the birds are challenged by much higher disease pressure and more severe vaccination programs.<\/div>\r\n<h2>Genetic progress will continue<\/h2>\r\n<p>You can be sure that the genetic work in LOHMANN BREEDERS will continue to create genetic progress. <br \/>\r\nWith investments in <strong>new breeding farms<\/strong> (Canada, Spain and Scotland), <strong>new technologies<\/strong> (genomic selection), <strong>new equipment<\/strong> (Transpondernest in Germany), <strong>challenge tests<\/strong> under difficult conditions (Challenge Sibtest in Russia) and <strong>continued testing of crossbred birds<\/strong> under field conditions in Russia, Spain and Columbia, the future of genetic progress is safeguarded and sustainable.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44245\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/egg-dna.png\" alt=\"\" width=\"600\" height=\"240\" \/><\/p>\r\n<p><strong>The progress is based not only on economic important traits like laying rate and feed conversion, but also in improved shell quality and livability.<\/strong> <br \/>\r\nAfter many generations of intense selection, the genetic parameters (heritability) are still showing a clear potential for further improvement.<\/p>\r\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-44245\" src=\"https:\/\/lohmann-breeders.com\/media\/2021\/08\/hens-free.png\" alt=\"\" width=\"800\" height=\"200\" \/><\/p>\r\n<p><strong>Due to a careful management of the level of inbreeding, there are no negative signs, like inbreeding depression or reduced variability.<\/strong><br \/>\r\nThe biological limit of one egg per day is for sure reached during laying peak in high performing flocks but longer laying sequences still give potential for improved persistency with improved shell quality. <br \/>\r\n<strong>The testing period on the pureline birds was extended to over 100 weeks in one cycle. <\/strong><\/p>\r\n<div class=\"subtitle\">A combination of captured data from the purelines in single cages and family groups are complemented with improved genomic selection will therefore continue to drive the genetic progress.<\/div>\r\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"The performance standards for all the Lohmann Layer strains have been used now since more than 4 years without changes. 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