{"id":728,"date":"2018-08-30t20:42:49","date_gmt":"2018-08-30t20:42:49","guid":{"rendered":"https:\/\/poultry.mystagingwebsite.com\/?page_id=728"},"modified":"2023-11-03t11:18:32","modified_gmt":"2023-11-03t15:18:32","slug":"anatomy-of-a-feather","status":"publish","type":"page","link":"\/\/www.bkpromos.com\/beplayapp网页
\/poultry-anatomy\/anatomy-of-a-feather\/","title":{"rendered":"anatomy of a feather"},"content":{"rendered":"\n<p><b><i><span style=\"color: #333333;\">written by<\/span><\/i><\/b><span style=\"display: inline !important; float: none; background-color: transparent; color: #333333; font-family: 'helvetica neue',helvetica,arial,sans-serif; font-size: 16px; font-style: italic; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\">: dr. jacquie jacob, university of kentucky<\/span><\/p>\n\n\n\n<p><span style=\"display: inline !important; float: none; background-color: transparent; color: #333333; font-family: 'helvetica neue',helvetica,arial,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\">birds come in different shapes and sizes, but one thing they have in common is feathers. feathers are unique to birds; that is, everything that has feathers is a bird; that is, everything that has feathers is a bird. figure 1 shows feathers of various sizes, shapes, colors, and purposes on an adult male rooster.<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/poultry.mystagingwebsite.com\/wp-content\/uploads\/2018\/08\/types-of-feathers-300x184.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"472\" src=\"https:\/\/poultry.mystagingwebsite.com\/wp-content\/uploads\/2018\/08\/types-of-feathers-768x472.jpg\" alt=\"rooster with feathers of various sizes, shapes, colors, and purposes\" class=\"wp-image-729\" srcset=\"\/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/types-of-feathers-768x472.jpg 768w, \/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/types-of-feathers-300x184.jpg 300w, \/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/types-of-feathers.jpg 922w\" sizes=\"(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/a><figcaption class=\"wp-element-caption\">figure 1. diagram showing the different feather types on a rooster. source: university of illinois. used with permission.<\/figcaption><\/figure><\/div>\n\n\n<p>&nbsp;<\/p>\n\n\n\n<p><span style=\"display: inline !important; float: none; background-color: transparent; color: #333333; font-family: 'helvetica neue',helvetica,arial,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\"><strong>feathers play three main roles in birds&#8217; lives:<\/strong><\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"display: inline !important; float: none; background-color: transparent; color: #333333; font-family: 'helvetica neue',helvetica,arial,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; line-height: 20px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\">feathers&nbsp;provide insulation, allowing birds to maintain their body temperatures in a wide variety of environmental conditions.<\/span><\/li>\n\n\n\n<li><span style=\"display: inline !important; float: none; background-color: transparent; color: #333333; font-family: 'helvetica neue',helvetica,arial,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; line-height: 20px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\">certain feathers are instrumental in allowing birds to fly.<\/span><\/li>\n\n\n\n<li><span style=\"display: inline !important; float: none; background-color: transparent; color: #333333; font-family: 'helvetica neue',helvetica,arial,sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: 400; letter-spacing: normal; line-height: 20px; orphans: 2; text-align: left; text-decoration: none; text-indent: 0px; text-transform: none; -webkit-text-stroke-width: 0px; white-space: normal; word-spacing: 0px;\">because they come in different shapes and colors, feathers&nbsp;provide individual plumage that can serve to camouflage a bird or attract a mate.<\/span><\/li>\n<\/ul>\n\n\n\n<p>the parts of a feather are shown in figure 2. the shaft runs the length of the feather and is divided into the calamus and the rachis. the calamus is the part of the shaft held in the feather follicle on the skin of the bird. the rachis is the rest of the shaft after the calamus. at the junction of the calamus and rachis is the plumulaceous (downy) portion of the vane. the vane is the normal pennaceous (non-downy) portion.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"727\" src=\"\/\/www.bkpromos.com\/wp-content\/uploads\/2023\/11\/featherparts-1024x727.png\" alt=\"illustration showing the various parts of a flight feather.\" class=\"wp-image-2965\" srcset=\"\/\/www.bkpromos.com\/wp-content\/uploads\/2023\/11\/featherparts-1024x727.png 1024w, \/\/www.bkpromos.com\/wp-content\/uploads\/2023\/11\/featherparts-300x213.png 300w, \/\/www.bkpromos.com\/wp-content\/uploads\/2023\/11\/featherparts-768x545.png 768w, \/\/www.bkpromos.com\/wp-content\/uploads\/2023\/11\/featherparts-1536x1090.png 1536w, \/\/www.bkpromos.com\/wp-content\/uploads\/2023\/11\/featherparts-2048x1453.png 2048w\" sizes=\"(max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><figcaption class=\"wp-element-caption\">figure 2. parts of a flight feather. created by: dr. jacquie jacob, university of kentucky<\/figcaption><\/figure>\n\n\n\n<p>figure 3 is an electron microscope image of a part of a pheasant secondary flight feather showing the barbs and hooks. flight feathers must be tough to withstand the rigors of flight. the bards on a flight feather are connected to adjoining bards in the same vane by the hooks on the barbules.<\/p>\n\n\n\n<p>figure 4 is an electron microscope image of part of a peacock eye feather. this feather is ornamental and not meant to withstand the forces a flight feather must endure. spacing exists between the barbs, and the hooks do not hold the barbs together. the ridges on the barbs are part of the complex color-producing system present on peafowl.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"630\" height=\"473\" src=\"https:\/\/poultry.mystagingwebsite.com\/wp-content\/uploads\/2018\/08\/feather_pheasant_microscope.png\" alt=\"electron microscope image of a pheasant secondary flight feather\" class=\"wp-image-731\" srcset=\"\/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/feather_pheasant_microscope.png 630w, \/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/feather_pheasant_microscope-300x225.png 300w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><figcaption class=\"wp-element-caption\">figure 3. electron microscope image of part of pheasant secondary flight feather. source: john anderson, the ohio state university<\/figcaption><\/figure><\/div>\n\n\n<p>&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><a href=\"https:\/\/poultry.mystagingwebsite.com\/wp-content\/uploads\/2018\/08\/feather_peacock_microscope-300x225.png\"><img loading=\"lazy\" decoding=\"async\" width=\"630\" height=\"473\" src=\"https:\/\/poultry.mystagingwebsite.com\/wp-content\/uploads\/2018\/08\/feather_peacock_microscope.png\" alt=\"electron microscope image of part of a peacock eye feather\" class=\"wp-image-732\" srcset=\"\/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/feather_peacock_microscope.png 630w, \/\/www.bkpromos.com\/wp-content\/uploads\/2018\/08\/feather_peacock_microscope-300x225.png 300w\" sizes=\"(max-width: 630px) 100vw, 630px\" \/><\/a><figcaption class=\"wp-element-caption\">figure 4. electron microscope image of part of a peacock eye feather. source: john anderson, the ohio state university<\/figcaption><\/figure><\/div>\n\n\n<p><a href=\"\/\/www.bkpromos.com\/beplayapp网页
\/poultry-anatomy\/\">back to anatomy menu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>written by: dr. jacquie jacob, university of kentucky birds come in different shapes and sizes, but one thing they have in common is feathers. feathers are unique to birds; that is, everything that has feathers is a bird; that is, everything that has feathers is a bird. figure 1 shows feathers of various sizes, shapes, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"\/\/www.bkpromos.com\/beplayapp网页
\/poultry-anatomy\/anatomy-of-a-feather\/\" class=\"more-link\">continue reading<span class=\"screen-reader-text\"> &#8220;anatomy of a feather&#8221;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"parent":75,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-728","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/pages\/728"}],"collection":[{"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/comments?post=728"}],"version-history":[{"count":13,"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/pages\/728\/revisions"}],"predecessor-version":[{"id":2968,"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/pages\/728\/revisions\/2968"}],"up":[{"embeddable":true,"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/pages\/75"}],"wp:attachment":[{"href":"\/\/www.bkpromos.com\/wp-json\/wp\/v2\/media?parent=728"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}