{"id":254,"date":"2025-08-07T11:23:00","date_gmt":"2025-08-07T11:23:00","guid":{"rendered":"https:\/\/www.fleckvieh.tr\/?p=254"},"modified":"2025-08-07T12:03:15","modified_gmt":"2025-08-07T12:03:15","slug":"254","status":"publish","type":"post","link":"https:\/\/www.fleckvieh.tr\/index.php\/2025\/08\/07\/254\/","title":{"rendered":"Metodolojik G\u00fcncellemeler ve Yeni GZW Hesaplama Y\u00f6nteminin Etkileri"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Metodolojik G\u00fcncellemeler ve Yeni GZW Hesaplama Y\u00f6nteminin Etkileri<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Genetik \u0130li\u015fkilerde Yeni Tahminler<\/h3>\n\n\n\n<p>Yeni Genel Dam\u0131zl\u0131k De\u011feri (GZW) sisteminin geli\u015ftirilmesi s\u00fcrecinde, t\u00fcm \u00f6zellikler aras\u0131ndaki <strong>genetik korelasyonlar<\/strong> yeniden tahmin edilmi\u015ftir. Sonu\u00e7lar g\u00f6stermi\u015ftir ki:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>S\u00fct \u00f6zellikleri<\/strong>, <strong>et ve uygunluk<\/strong> \u00f6zellikleriyle \u00f6nceye k\u0131yasla daha <strong>negatif korelasyon<\/strong> g\u00f6stermektedir.<\/li>\n\n\n\n<li><strong>Uygunluk \u00f6zellikleri<\/strong> ise birbirleriyle daha <strong>pozitif ili\u015fkilidir<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Bu de\u011fi\u015fiklikler, \u00f6zellikler aras\u0131 ili\u015fkilerin daha do\u011fru bir \u015fekilde modellenmesini ve \u0131slah hedeflerinin daha dengeli belirlenmesini sa\u011flam\u0131\u015ft\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GZW Hesaplamas\u0131nda Yeni Yakla\u015f\u0131m<\/h3>\n\n\n\n<p>\u00d6nceki hesaplama y\u00f6ntemi, \u00f6zellikle <strong>d\u00fc\u015f\u00fck ve orta d\u00fczeyde kesinlik<\/strong> de\u011ferine sahip hayvanlarda <strong>genel dam\u0131zl\u0131k de\u011feri varyans\u0131n\u0131n<\/strong> a\u015f\u0131r\u0131 geni\u015f olmas\u0131na yol a\u00e7\u0131yordu. Bu durum, hayvanlar\u0131n s\u0131ralamas\u0131nda tutars\u0131zl\u0131klara neden olabiliyordu. Geli\u015ftirilen yeni metodoloji sayesinde:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GZW de\u011ferleri <strong>daha dengeli<\/strong> hale gelmi\u015f,<\/li>\n\n\n\n<li>\u00d6zellikle <strong>genomik gen\u00e7 bo\u011falar (GJV)<\/strong> ve <strong>inekler<\/strong> i\u00e7in <strong>s\u0131k\u0131\u015ft\u0131rma<\/strong> (de\u011ferlerin birbirine yak\u0131nsamas\u0131) sa\u011flanm\u0131\u015ft\u0131r,<\/li>\n\n\n\n<li><strong>NK testli bo\u011falar<\/strong> \u00fczerindeki etki olduk\u00e7a s\u0131n\u0131rl\u0131 kalm\u0131\u015ft\u0131r.<\/li>\n<\/ul>\n\n\n\n<p>Bu durum, NK testli bo\u011falar\u0131n GZW s\u0131ralamalar\u0131nda <strong>\u00f6nemli y\u00fckseli\u015fler<\/strong> g\u00f6stermesine neden olmu\u015ftur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Di\u011fer Endeksler \u00dczerindeki Etkiler<\/h3>\n\n\n\n<p>De\u011fi\u015ftirilen hesaplama y\u00f6ntemi, GZW&#8217;nun yan\u0131 s\u0131ra MW, FIT, ND ve EGW gibi di\u011fer indeks \u00f6zellikleri i\u00e7in de uygulanmaktad\u0131r. MW&#8217;deki s\u0131k\u0131\u015ft\u0131rma (de\u011ferlerin birbirine yakla\u015fmas\u0131) nispeten d\u00fc\u015f\u00fck d\u00fczeydedir, ancak FIT i\u00e7in belirgin \u015fekilde g\u00f6r\u00fclmektedir. FIT\u2019teki bu s\u0131k\u0131\u015ft\u0131rma, gen\u00e7 NK bo\u011falar\u0131n\u0131n fitness de\u011ferlerinin g\u00fcvenilirlikleri h\u00e2l\u00e2 nispeten d\u00fc\u015f\u00fck oldu\u011fundan, NK bo\u011falar\u0131n\u0131 da etkilemektedir.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Yeni GZW\u2019nin Etkileri Ne Oldu?<\/h3>\n\n\n\n<p>En \u00e7arp\u0131c\u0131 de\u011fi\u015fim, yeni metodolojinin uygulanmas\u0131yla ortaya \u00e7\u0131kan <strong>daha d\u00fc\u015f\u00fck varyans<\/strong> nedeniyle g\u00f6zlemlenmi\u015ftir. \u00d6zellikle GZW de\u011feri y\u00fcksek olan hayvanlarda belirgin d\u00fc\u015f\u00fc\u015fler ya\u015fanm\u0131\u015ft\u0131r:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Fleckvieh Irk\u0131<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GZW \u2265 140<\/strong> olan inekler ortalama <strong>8 puan<\/strong> kaybetmi\u015ftir.<br>\u00d6rne\u011fin, eski ortalama 120 olan bir grup i\u00e7in yeni ortalama yakla\u015f\u0131k 116\u2019d\u0131r.<\/li>\n\n\n\n<li><strong>140 puan \u00fczerindeki bo\u011fa say\u0131s\u0131<\/strong> 27\u2019den sadece <strong>1\u2019e<\/strong> d\u00fc\u015fm\u00fc\u015ft\u00fcr.<\/li>\n\n\n\n<li><strong>130 puan \u00fczerindeki bo\u011fa say\u0131s\u0131<\/strong> 384\u2019ten <strong>140\u2019a<\/strong> gerilemi\u015ftir.<\/li>\n\n\n\n<li>Buna kar\u015f\u0131n, <strong>NK testli bo\u011falar<\/strong> bu s\u0131k\u0131\u015ft\u0131rmadan \u00e7ok az etkilendi\u011fi i\u00e7in s\u0131ralamalarda <strong>y\u00fckseli\u015fe<\/strong> ge\u00e7mi\u015ftir.<br>\u00d6nceden ilk 100 i\u00e7inde <strong>hi\u00e7 NK bo\u011fas\u0131 yokken<\/strong>, \u015fimdi <strong>11 tanesi<\/strong> ilk 100\u2019dedir.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u0130svi\u00e7re Esmeri (Braunvieh) Irk\u0131<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>GZW \u2265 140<\/strong> olan inekler ortalama <strong>6 puan<\/strong> kaybetmi\u015ftir.<\/li>\n\n\n\n<li>Ortalama de\u011fer 120\u2019den <strong>118\u2019e<\/strong> gerilemi\u015ftir.<\/li>\n\n\n\n<li><strong>136 puan \u00fczerindeki bo\u011fa say\u0131s\u0131<\/strong> 21\u2019den <strong>5\u2019e<\/strong> d\u00fc\u015fm\u00fc\u015ft\u00fcr.<\/li>\n\n\n\n<li><strong>NK bo\u011falar\u0131<\/strong>, s\u0131ralamada belirgin bir y\u00fckseli\u015f g\u00f6stermi\u015ftir:<br>\u0130lk 100\u2019de daha \u00f6nce sadece <strong>5 bo\u011fa<\/strong> varken, \u015fimdi <strong>18 NK bo\u011fas\u0131<\/strong> yer almaktad\u0131r.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u00d6zet<\/h3>\n\n\n\n<p>Yeni GZW sistemi, <strong>ekonomik a\u011f\u0131rl\u0131klarda b\u00fcy\u00fck bir de\u011fi\u015fiklik yapmaya gerek kalmadan<\/strong>, metodolojik olarak daha sa\u011fl\u0131kl\u0131 bir de\u011ferlendirme s\u00fcreci sunmu\u015ftur. Nisan 2016\u2019da uygulamaya al\u0131nan:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Yeni a\u011f\u0131rl\u0131kland\u0131rmalar<\/strong>,<\/li>\n\n\n\n<li><strong>Geli\u015ftirilmi\u015f hesaplama y\u00f6ntemi<\/strong>,<\/li>\n\n\n\n<li>ve <strong>Yeni \u201ccanl\u0131l\u0131k de\u011feri\u201d \u00f6zelli\u011fi<\/strong>,<\/li>\n<\/ul>\n\n\n\n<p>dam\u0131zl\u0131k de\u011ferlerinin daha ger\u00e7ek\u00e7i ve tutarl\u0131 \u015fekilde hesaplanmas\u0131n\u0131 sa\u011flam\u0131\u015ft\u0131r. \u00d6zellikle <strong>inekler ve genomik gen\u00e7 bo\u011falar<\/strong> i\u00e7in GZW de\u011ferlerinin s\u0131k\u0131\u015ft\u0131r\u0131lmas\u0131 sayesinde, <strong>NK testli bo\u011falar ile genomik bo\u011falar\u0131n daha objektif kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131<\/strong> m\u00fcmk\u00fcn hale gelmi\u015ftir.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Metodolojik G\u00fcncellemeler ve Yeni GZW Hesaplama Y\u00f6nteminin Etkileri Genetik \u0130li\u015fkilerde Yeni Tahminler Yeni Genel Dam\u0131zl\u0131k De\u011feri (GZW) sisteminin geli\u015ftirilmesi s\u00fcrecinde, t\u00fcm \u00f6zellikler aras\u0131ndaki genetik korelasyonlar yeniden tahmin edilmi\u015ftir. Sonu\u00e7lar g\u00f6stermi\u015ftir ki: Bu de\u011fi\u015fiklikler, \u00f6zellikler aras\u0131 ili\u015fkilerin daha do\u011fru bir \u015fekilde modellenmesini ve \u0131slah hedeflerinin daha dengeli belirlenmesini sa\u011flam\u0131\u015ft\u0131r. GZW Hesaplamas\u0131nda Yeni Yakla\u015f\u0131m \u00d6nceki hesaplama y\u00f6ntemi,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":255,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[31],"tags":[50,49],"class_list":["post-254","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-makaleler","tag-genomik-deger-hesaplama","tag-genomik-deger-tahmini"],"_links":{"self":[{"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/posts\/254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/comments?post=254"}],"version-history":[{"count":3,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/posts\/254\/revisions"}],"predecessor-version":[{"id":258,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/posts\/254\/revisions\/258"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/media\/255"}],"wp:attachment":[{"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/media?parent=254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/categories?post=254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fleckvieh.tr\/index.php\/wp-json\/wp\/v2\/tags?post=254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}