{"id":407,"date":"2020-09-02T09:34:52","date_gmt":"2020-09-02T09:34:52","guid":{"rendered":"https:\/\/hn-int.codiantwp.com\/?p=407"},"modified":"2021-04-28T11:03:07","modified_gmt":"2021-04-28T11:03:07","slug":"egg-quality","status":"publish","type":"post","link":"https:\/\/hn-int.codiantwp.com\/zh-hant\/egg-quality\/","title":{"rendered":"Egg quality"},"content":{"rendered":"<h2>Problems and Causes<\/h2>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Cracked\/broken eggs:<\/strong><\/p>\n<ul class=\"milista1\">\n<li>Large cracks and holes<\/li>\n<li>% in production: increases with the age of the hen.<\/li>\n<li>1\u20135 % of total production<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<p><strong>Old birds (&gt; 50\u201360 weeks)<\/strong><\/p>\n<ul class=\"milista1\">\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/nutrition\/#Nutrient_requirements\">Mineral<\/a> deficiencies or imbalance<\/li>\n<li>Saline water<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/health-biosecurity\/\">Diseases<\/a> with ovary tropism<\/li>\n<li>High temperatures<\/li>\n<li>Mechanical damage during collection<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w1.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Hairline cracks: <\/strong><br \/>\nVery fine cracks that require efficient candling<\/p>\n<ul class=\"milista1\">\n<li>% in production: varies with the age and the % of cracked of broken eggs<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Old birds (&gt; 50\u201360 weeks)<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/nutrition\/#Nutrient_requirements\">Mineral<\/a> deficiencies or imbalance<\/li>\n<li>Saline water<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/health-biosecurity\/\">Diseases<\/a> with ovary tropism<\/li>\n<li>High temperatures<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/production-period-25-100-weeks\/#Egg\">Mechanical damage<\/a> during collection<\/li>\n<li>Infrequent egg collection<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w2.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Star cracks: <\/strong><br \/>\nFine cracks radiating outwards from a central point of impact<\/p>\n<ul class=\"milista1\">\n<li>% in production: varies with the age, 1\u20132 % of the total production<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Old birds (&gt; 50\u201360 weeks)<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/nutrition\/#Nutrient_requirements\">Mineral<\/a> deficiencies or imbalance<\/li>\n<li>Saline water<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/health-biosecurity\/\">Diseases<\/a> with ovary tropism<\/li>\n<li>High temperatures<\/li>\n<li>Mechanical damage during collection<\/li>\n<li>Infrequent <a href=\"https:\/\/hn-int.codiantwp.com\/production-period-25-100-weeks\/#Egg\">egg collection<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w3.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Shell-less eggs and thin shelled: <\/strong> no shell or very thin shell, very easy to break<\/p>\n<ul class=\"milista1\">\n<li>% in production: varies 0.5\u20136 %.<br \/>\nHigh levels possible with pullets in early maturity<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Immature shell gland<\/li>\n<li>Disrupted deposition of calcium in shell<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/nutrition\/#Nutrient_requirements\">Mineral<\/a> deficiencies or imbalance<\/li>\n<li>Saline water<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/health-biosecurity\/\">Diseases<\/a> with ovary tropism<\/li>\n<li>Mechanical damage during collection<\/li>\n<li>Infrequent <a href=\"https:\/\/hn-int.codiantwp.com\/production-period-25-100-weeks\/#Egg\">egg collection<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w4.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Sandpaper or rough shell: <\/strong><br \/>\neggs with rough texture areas unevenly distributed over the shell<\/p>\n<ul class=\"milista1\">\n<li>% in production: the incidence should be &lt; 1 %<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Diseases with ovary tropism and avian encephalomyelitis<\/li>\n<li>Disrupted egg oviposition or egg retention<\/li>\n<li>Sudden increase of light during lay<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/house-environment\/#Quality_water\">Water<\/a> shortage<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w5.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Misshaped eggs: <\/strong><br \/>\nshell marred by at sides or body checks (ribs or grooves)<\/p>\n<ul class=\"milista1\">\n<li>% in production: can rise to 2 % at start of layand later almost disappear unless there is an issue<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Immature shell gland<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/health-biosecurity\/\">Diseases<\/a> with ovary tropism<\/li>\n<li>Stress caused by frights and disruption<\/li>\n<li>Crowding<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w6.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Flat sided eggs: <\/strong><br \/>\npart of the shell is flattened<\/p>\n<ul class=\"milista1\">\n<li>% in production: &lt; 1 %<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Diseases with ovary tropism and avian encephalomyelitis<\/li>\n<li>Disrupted egg deposition<\/li>\n<li>Sudden increase of light during lay<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/transfer-15-18-weeks\/#space\">Crowding<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w7.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Pimples: <\/strong> small lumps of calci#ed material on the eggshell<\/p>\n<ul class=\"milista1\">\n<li>% in production: around 1 % is common<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Old birds<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/nutrition\/#Nutrient_requirements\">Excess of Ca<\/a><\/li>\n<li>Sudden increase of light during lay<\/li>\n<li>Crowding<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w8.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Pinholes: <\/strong> small holes in the eggshell<\/p>\n<ul class=\"milista1\">\n<li>% in production: &lt; 0.5%<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>Old birds<\/li>\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/nutrition\/#Nutrient_requirements\">Mineral<\/a> deficiencies or imbalance<\/li>\n<li>Damage caused by hen or sharp objects in cages or collection conveyor<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w9.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Mottled or glassy shell: <\/strong><br \/>\nappears mottled at candling<\/p>\n<ul class=\"milista1\">\n<li>% in production: not usually undegraded unless the condition is obvious. Incidence varies<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>High <a href=\"https:\/\/hn-int.codiantwp.com\/house-environment\/#ventilation\">humidity at the farm<\/a><\/li>\n<li>Mineral deficiencies<\/li>\n<li>Crowding<\/li>\n<li>Diseases with ovary tropism and infection bursal disease in parent stocks<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w10.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<h2 id=\"internal\">Albumen quality<\/h2>\n<div class=\"row\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<p><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w15.svg\" alt=\"\" \/><\/p>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w14.svg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<h2>Yolk quality<\/h2>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Blood spots:<\/strong> blood spots on the surface of the yolk<\/p>\n<ul class=\"milista1\">\n<li>% in production: incidence varies, 1\u20132 %<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>De\ufb01ciencies in vitamin A and K<\/li>\n<li>Fungal toxins<\/li>\n<li>Continuous light programs or intermittent light periods<\/li>\n<li>Fright and disruption<\/li>\n<li>Avian encephalomyelitis<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w11.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Meat spots: <\/strong> brown colored, pieces of tissue of the ovary or partially broken-down blood spots<\/p>\n<ul class=\"milista1\">\n<li>% in production: 1\u20133 %<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li>deficiencies in vitamin A and K<\/li>\n<li>Fungal toxins<\/li>\n<li>Continuous light programs or intermittent light periods<\/li>\n<li>Fright and disruption<\/li>\n<li>Avian encephalomyelitis<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w12.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<div id=\"mytb\" class=\"row padded\">\n<div class=\"autogrid\">\n<div class=\"col\">\n<div class=\"vsm\">Problem<\/div>\n<p><strong>Pale yolks: <\/strong> the egg yolk doesn\u2019t have the expected color<\/p>\n<ul class=\"milista1\">\n<li>% in production: incidence varies based on the issue<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\">\n<div class=\"vsm\">Causes<\/div>\n<ul class=\"milista1\">\n<li><a href=\"https:\/\/hn-int.codiantwp.com\/late-production-up-to-75-weeks\/#quality\">Gut health<\/a> issues<\/li>\n<li>Mycotoxines<\/li>\n<li>Liver damage<\/li>\n<li>Oxidation of the added pigments<\/li>\n<li>Wrong mixing of the pigments<\/li>\n<\/ul>\n<\/div>\n<div class=\"col\"><img decoding=\"async\" class=\"centrarimg imgwp alignnone\" src=\"https:\/\/hn-int.codiantwp.com\/chickipediamedia\/layers\/egg\/w13.jpg\" alt=\"\" \/><\/div>\n<\/div>\n<\/div>\n<p><!--\n\n\n<div class=\"mychart\">\n\n<strong>Key Points<\/strong>\n\n\n<ul class=\"milista1\">\n \t\n\n<li>Internal and external egg quality is a powerful tool to address production issues.<\/li>\n\n\n \t\n\n<li>A certain percentage of defects is considered normal.<\/li>\n\n\n \t\n\n<li>Correct egg management is the best way to improve internal and external egg quality.<\/li>\n\n\n<\/ul>\n\n\n<\/div>\n\n\n--><\/p>\n<p class=\"spacy\">\n","protected":false},"excerpt":{"rendered":"<p>Problems and Causes Problem Cracked\/broken eggs: Large cracks and holes % in production: increases with the age of the hen. 1\u20135 % of total production Causes Old birds (&gt; 50\u201360 weeks) Mineral deficiencies or imbalance Saline water Diseases with ovary tropism High temperatures Mechanical damage during collection Problem Hairline cracks: Very fine cracks that require [&hellip;]<\/p>\n","protected":false},"author":1483,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-407","post","type-post","status-publish","format-standard","hentry","category-layers"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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