{"id":24685,"date":"2020-10-09T10:30:29","date_gmt":"2020-10-09T08:30:29","guid":{"rendered":"https:\/\/www.tecnozoo.it\/2020\/10\/09\/5-common-myths-about-eggs\/"},"modified":"2020-10-09T10:30:29","modified_gmt":"2020-10-09T08:30:29","slug":"5-common-myths-about-eggs","status":"publish","type":"post","link":"https:\/\/www.tecnozoo.it\/en\/2020\/10\/09\/5-common-myths-about-eggs\/","title":{"rendered":"5 COMMON MYTHS ABOUT EGGS"},"content":{"rendered":"<h2><strong>5 COMMON MYTHS ABOUT EGGS<\/strong><\/h2>\n<p>For World Egg Day and during Tecnozoo Egg Week, we\u2019ve decided to debunk 5 common myths about eggs.<\/p>\n<h3><strong>EGG SHELL COLOR DEPENDS ON DIET: FALSE <\/strong><\/h3>\n<p>Eggs come in different shell colors, although the typical consumer is accustomed to the classic light brown or white eggs commonly found in supermarkets.<\/p>\n<p>Some chicken breeds lay eggs that range in color from blue to brown.<\/p>\n<p>The dominant pigment in brown eggshells is protoporphyrin IX, with traces of other porphyrins: biliverdin, coproporphyrin, and uroporphyrin. In blue eggs, the color is determined by biliverdin.<\/p>\n<p>The expression of these pigments\u2014and therefore the eggshell color\u2014is genetically determined. However, color intensity, uniformity, and other aspects can be influenced by the hen\u2019s age, health status, environment, and diet. Since diet does not affect shell color, the nutritional properties of the egg are not linked to it, and it is not true that a brown egg is more nutritious than a white one.<\/p>\n<p><a href=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-10708\" src=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280.jpg\" alt=\"5 common myths about eggs\" width=\"1280\" height=\"853\" srcset=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280.jpg 1280w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280-600x400.jpg 600w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280-300x200.jpg 300w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280-1024x682.jpg 1024w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-white-3048118_1280-768x512.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/a><\/p>\n<h3><strong>A DARKER YOLK MEANS THE EGG IS MORE NUTRITIOUS: FALSE <\/strong><\/h3>\n<p>Yolk color is an important organoleptic trait for consumers and is often associated with egg quality.<\/p>\n<p>The color of the egg yolk is determined by the type and profile of carotenoids present in the feed, their concentration, and intestinal absorption. Yolk color does not affect the egg\u2019s lipid or protein profile, and therefore does not influence its nutritional characteristics.<\/p>\n<p>It is true that physiological changes in the hen, such as aging, stress, or health conditions, can affect pigment absorption and thus yolk color intensity. However, these variations mainly influence color uniformity from egg to egg within the same group.<\/p>\n<p>The main carotenoids used in poultry nutrition to modulate yolk color are xanthophylls, which give a yellow color (such as zeaxanthin and lutein) or a red color (such as canthaxanthin).<\/p>\n<p>These pigments are mainly synthetic but can also be found in varying concentrations in different feed sources: for example, corn is rich in zeaxanthin, and alfalfa is rich in lutein.<\/p>\n<p>Spices are also an excellent source of natural carotenoids.<\/p>\n<p><a href=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920.jpg\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-10714\" src=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920.jpg\" alt=\"\" width=\"1920\" height=\"1302\" srcset=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920.jpg 1920w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920-600x407.jpg 600w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920-300x203.jpg 300w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920-1024x694.jpg 1024w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920-768x521.jpg 768w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/egg-1460404_1920-1536x1042.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/a><\/p>\n<h3><strong>A ROOSTER IN THE COOP INCREASES EGG PRODUCTION: FALSE <\/strong><\/h3>\n<p>Roosters are not necessary for egg laying. There is no scientific evidence linking the presence of a rooster to oviposition. <\/p>\n<p>Egg laying is regulated by the number of daylight hours.<\/p>\n<p>L\u2019 attivit\u00e0 dell\u2019 ipotalamo \u00e8 alla base del meccanismo ormonale che porta alla produzione dell\u2019 uovo ed \u00e8 la stimolazione luminosa a regolarne l\u2019 attivit\u00e0.<\/p>\n<p>14\u201316 hours of light are sufficient to stimulate full hypothalamic activity. This is why, in non-intensive farming systems (without light programs or environmental management), a decreasing photoperiod (shorter days) often corresponds to a reduction in egg laying.<\/p>\n<p>A rooster is therefore not necessary for egg production. In fact, fertilized eggs are not suitable for commercial consumption, and the product\u2019s shelf life (the time between production and consumption without posing health risks to the consumer) is reduced.<\/p>\n<h3><a href=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920.jpg\"><img decoding=\"async\" class=\"aligncenter wp-image-10720 size-full\" src=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920.jpg\" alt=\"5 COMMON MYTHS ABOUT EGGS\" width=\"1920\" height=\"1280\" srcset=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920.jpg 1920w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920-600x400.jpg 600w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920-300x200.jpg 300w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920-1024x683.jpg 1024w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920-768x512.jpg 768w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/animal-1867562_1920-1536x1024.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/a><\/h3>\n<h3><strong>EGG CHOLESTEROL INCREASES THE RISK OF CARDIOVASCULAR DISEASE: FALSE <\/strong><\/h3>\n<p><strong><span style=\"color: #ffffff;\">For many years, the high cholesterol content in eggs was directly linked to increased blood cholesterol levels and, consequently, a higher predisposition to cardiovascular disease.<\/span><\/strong><\/p>\n<p>More recent studies have disproven a direct correlation between dietary cholesterol and blood cholesterol, showing that the mechanisms regulating cholesterol levels are much more complex and multifactorial. Likewise, the development of cardiovascular diseases associated with high cholesterol is complex and influenced by multiple factors.<\/p>\n<p>Studies agree that consuming up to two eggs per day does not significantly affect blood cholesterol in people without specific metabolic issues.<\/p>\n<p><a href=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-10726\" src=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920.jpg\" alt=\"5 COMMON MYTHS ABOUT EGGS\" width=\"1920\" height=\"1289\" srcset=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920.jpg 1920w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920-600x403.jpg 600w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920-300x201.jpg 300w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920-1024x687.jpg 1024w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920-768x516.jpg 768w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/eggs-1467283_1920-1536x1031.jpg 1536w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/a><\/p>\n<h3><strong>THE WHITE FILAMENTS NEAR THE YOLK ARE A SIGN OF FERTILIZATION: FALSE <\/strong><\/h3>\n<p>The filaments visible near the yolk, in close contact with the vitelline membrane, are called chalazae and are the result of the egg\u2019s rotation in the oviduct. They are protein structures that anchor to the poles of the egg and suspend the yolk in the center. <\/p>\n<p>They are completely normal structures and have nothing to do with fertilization.<\/p>\n<p>It is also important to remember that commercial eggs are not fertilized. <span style=\"color: #ffffff;\">5 COMMON MYTHS ABOUT EGGS<\/span><\/p>\n<p><a href=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-11202 size-large\" src=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18-1024x576.jpg\" alt=\"5 COMMON MYTHS ABOUT EGGS\" width=\"1024\" height=\"576\" srcset=\"https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18-1024x576.jpg 1024w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18-600x338.jpg 600w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18-300x169.jpg 300w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18-768x432.jpg 768w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18-1536x864.jpg 1536w, https:\/\/www.tecnozoo.it\/wp-content\/uploads\/2020\/10\/FOTO-3tre3-18.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p><strong><a href=\"http:\/\/instagram.com\/tecnozoo\">Follow us on Instagram<\/a><\/strong> to learn more about the 5 common myths about eggs:<\/p>\n<p><strong><a href=\"https:\/\/tecnozoo.it\/proprieta-nutrizionali-delle-uova-world-egg-day\/\">Learn more about World Egg Day and Tecnozoo promotions:<\/a><\/strong><\/p>\n<p><strong><a href=\"https:\/\/tecnozoo.it\/prodotti-per-tutti-gli-avicoli-broiler-ovaiole\/\">Check out the promotion valid until October 31. <\/a><\/strong><\/p>\n<p><a href=\"https:\/\/tecnozoo.it\/prodotti-per-tutti-gli-avicoli-broiler-ovaiole\/\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-10681\" src=\"https:\/\/tecnozoo.it\/wp-content\/uploads\/2020\/02\/immagini-Banner-8.png\" alt=\"Feed for livestock\" width=\"2000\" height=\"1200\"><\/a><\/p>\n<h3><strong>BIBLIOGRAPHY &#8220;5 Common Myths About Eggs&#8221;<\/strong><\/h3>\n<ul>\n<li>Arch. Gefl\u00fcgelk \u2013 \u201cVariation of Eggshell Colour in Different Egg-Type Chickens\u201d<\/li>\n<li>Dr. Ekaitz Maguregui \u2013 \u201cThe Egg Yolk Color and Pigments\u201d<\/li>\n<li>Samiullah Khan, J R Roberts, Kapil K Chousalkar \u2013 \u201cEggshell color in brown-egg laying hens \u2014 a review\u201d<\/li>\n<li>P J H Jones &#8211; \u201cDietary cholesterol and the risk of cardiovascular disease in patients: a review of the Harvard Egg Study and other data\u201d<\/li>\n<li>Silvia Cerolini, Margherita Marzoni Fecia di Cossato, Isabella Romboli \u2013 \u201cPoultry and Rabbit Farming\u201d<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>5 COMMON MYTHS ABOUT EGGS For World Egg Day and during Tecnozoo Egg Week, we\u2019ve decided to debunk 5 common myths about eggs. EGG SHELL COLOR DEPENDS ON DIET: FALSE Eggs come in different shell colors, although the typical consumer is accustomed to the classic light brown or white eggs commonly found in supermarkets. Some [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":24684,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1078,1071],"tags":[1125,1114,1106],"class_list":["post-24685","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-laying-hens","category-poultry","tag-eggs","tag-laying-hens","tag-poultry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>5 COMMON MYTHS ABOUT EGGS - TecnoZoo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tecnozoo.it\/en\/2020\/10\/09\/5-common-myths-about-eggs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5 COMMON MYTHS ABOUT EGGS - TecnoZoo\" \/>\n<meta property=\"og:description\" content=\"5 COMMON MYTHS ABOUT EGGS For World Egg Day and during Tecnozoo Egg Week, we\u2019ve decided to debunk 5 common myths about eggs. EGG SHELL COLOR DEPENDS ON DIET: FALSE Eggs come in different shell colors, although the typical consumer is accustomed to the classic light brown or white eggs commonly found in supermarkets. 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EGG SHELL COLOR DEPENDS ON DIET: FALSE Eggs come in different shell colors, although the typical consumer is accustomed to the classic light brown or white eggs commonly found in supermarkets. 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