{"id":367320,"date":"2026-07-13T15:25:10","date_gmt":"2026-07-13T09:55:10","guid":{"rendered":"https:\/\/forumias.com\/blog\/?p=367320"},"modified":"2026-07-13T15:25:43","modified_gmt":"2026-07-13T09:55:43","slug":"parrot-bornavirus-4-pabv-4","status":"publish","type":"post","link":"https:\/\/forumias.com\/blog\/parrot-bornavirus-4-pabv-4\/","title":{"rendered":"Parrot Bornavirus 4 (PaBV-4)"},"content":{"rendered":"<div class=\"content-box-green\">\n<p><strong>News:<\/strong>\u00a0Scientists have identified and genetically characterised Parrot Bornavirus 4 (PaBV-4) in India for the first time, raising concerns for captive parrots and conservation.<\/p>\n<\/div>\n<h2 class=\"red-h2-box\">About Parrot Bornavirus 4 (PaBV-4)<\/h2>\n<figure id=\"attachment_367325\" aria-describedby=\"caption-attachment-367325\" style=\"width: 410px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-367325\" src=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-Moneycontrol.jpg?resize=410%2C227&#038;ssl=1\" alt=\"Parrot Bornavirus 4 (PaBV-4)\" width=\"410\" height=\"227\" srcset=\"https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-Moneycontrol.jpg?resize=300%2C166&amp;ssl=1 300w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-Moneycontrol.jpg?resize=768%2C426&amp;ssl=1 768w, https:\/\/i0.wp.com\/forumias.com\/blog\/wp-content\/uploads\/2026\/07\/Source-Moneycontrol.jpg?w=923&amp;ssl=1 923w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><figcaption id=\"caption-attachment-367325\" class=\"wp-caption-text\">Source &#8211; Moneycontrol<\/figcaption><\/figure>\n<ul>\n<li><strong>Parrot Bornavirus 4 (PaBV-4)<\/strong>\u00a0is an <strong>enveloped single-stranded RNA virus<\/strong> belonging to the <strong>genus Orthobornavirus<\/strong> in the <strong>family Bornaviridae.<\/strong><\/li>\n<li><strong>Target Species:<\/strong> It infects <strong>parrots<\/strong> and other <strong>psittacine birds such as macaws, cockatoos, parakeets, conures, cockatiels, budgerigars, and lovebirds.<\/strong><\/li>\n<li><strong>Discovery by:<\/strong> It was <strong>identified and genetically characterised in India by<\/strong> a team from <strong>Assam Veterinary and Fishery University.<\/strong><\/li>\n<li><strong>Distribution<\/strong>:\n<ul>\n<li><strong>Global<\/strong>: It has been <strong>documented in the U.S., Canada, Israel, Japan, South Korea, and Europe.<\/strong><\/li>\n<li><strong>India<\/strong>: It has been identified in captive birds from <strong>Assam, Karnataka, and West Bengal.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Pathogenesis<\/strong>: It causes a <strong>persistent non-cytolytic infection<\/strong> in which <strong>immune-driven inflammation<\/strong> damages the <strong>digestive and nervous systems<\/strong>, leading to <strong>enlargement of the proventriculus, poor digestion, and central nervous system inflammation.<\/strong><\/li>\n<li><strong>Transmission<\/strong>:\n<ul>\n<li><strong>Direct Spread<\/strong>: It spreads through <strong>infected birds, contaminated food, water, saliva, feces, droppings, and feather dust.<\/strong><\/li>\n<li><strong>Silent Spread:<\/strong> Healthy-looking infected birds can shed the virus, and <strong>infected parents can also pass it to eggs.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Impacts<\/strong>\n<ul>\n<li><strong>Bird Health:<\/strong>\u00a0It <strong>causes Proventricular Dilatation Disease (PDD), <\/strong>resulting in <strong>weight loss despite normal appetite<\/strong>, <strong>regurgitation, undigested seeds in droppings, neurological signs, poor digestion, and eventual death.<\/strong><\/li>\n<li><strong>Conservation:<\/strong>\u00a0Its high prevalence in global aviculture and spread through the commercial bird trade <strong>threaten captive breeding programmes and endangered parrot species.<\/strong><\/li>\n<\/ul>\n<\/li>\n<li><strong>Diagnosis:<\/strong>\u00a0<strong>RT-PCR (Reverse Transcription Polymerase Chain Reaction) detects the virus from cloacal swabs<\/strong> in live birds and from <strong>brain<\/strong> and <strong>proventriculus tissues in dead birds<\/strong>.<\/li>\n<li><strong>Treatment:<\/strong>\u00a0There is currently <strong>no specific antiviral treatment or vaccine,<\/strong> and management focuses on <strong>supportive care, reducing inflammation, and maintaining nutrition.<\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>News:\u00a0Scientists have identified and genetically characterised Parrot Bornavirus 4 (PaBV-4) in India for the first time, raising concerns for captive parrots and conservation. About Parrot Bornavirus 4 (PaBV-4) Parrot Bornavirus 4 (PaBV-4)\u00a0is an enveloped single-stranded RNA virus belonging to the genus Orthobornavirus in the family Bornaviridae. Target Species: It infects parrots and other psittacine birds&hellip; <a class=\"more-link\" href=\"https:\/\/forumias.com\/blog\/parrot-bornavirus-4-pabv-4\/\">Continue reading <span class=\"screen-reader-text\">Parrot Bornavirus 4 (PaBV-4)<\/span><\/a><\/p>\n","protected":false},"author":10401,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[1566,1738,12039],"tags":[11872],"class_list":["post-367320","post","type-post","status-publish","format-standard","hentry","category-daily-factly-articles","category-science-and-technology-daily-factly-articles","category-knolls","tag-9pm-daily-factly","entry"],"jetpack_featured_media_url":"","views":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/367320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/users\/10401"}],"replies":[{"embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/comments?post=367320"}],"version-history":[{"count":0,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/posts\/367320\/revisions"}],"wp:attachment":[{"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/media?parent=367320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/categories?post=367320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/forumias.com\/blog\/wp-json\/wp\/v2\/tags?post=367320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}