{"id":4063,"date":"2025-05-19T10:34:04","date_gmt":"2025-05-19T10:34:04","guid":{"rendered":"https:\/\/scientificworld.org\/?p=4063"},"modified":"2025-06-10T04:47:00","modified_gmt":"2025-06-10T04:47:00","slug":"new-video-based-method-measures-energy-use-in-small-animals","status":"publish","type":"post","link":"https:\/\/scientificworld.org\/?p=4063","title":{"rendered":"New Video-Based Method Measures Energy Use in Small Animals"},"content":{"rendered":"\n<p>Scientists have developed an innovative technique to estimate energy consumption in small animals using video and 3D tracking, overcoming limitations posed by traditional wearable equipment. The study, published in the&nbsp;<a href=\"http:\/\/dx.doi.org\/10.1242\/jeb.249717\"><em>Journal of Experimental Biology<\/em><\/a>, was conducted by researchers from the Okinawa Institute of Science and Technology (OIST) and the Hebrew University of Jerusalem.<\/p>\n\n\n\n<p><strong>A Breakthrough in Energy Measurement<\/strong><br>Energy usage is central to understanding animal behavior and evolution, but quantifying it has been challenging, especially for smaller species. Traditional methods, like Dynamic Body Acceleration (DBA), rely on accelerometers attached to animals, which are impractical for species weighing less than 100 grams. The new video-based approach eliminates this barrier by using cameras and deep learning to track movement-related acceleration without physical constraints.<\/p>\n\n\n\n<p><strong>How It Works<\/strong><br>The method involves capturing video footage of an animal, such as a damselfish, from multiple angles to reconstruct its movements in 3D space. A deep learning algorithm then analyzes the footage to track body features (e.g., eyes or fins) and calculates acceleration, which correlates with energy expenditure. This technique mirrors the principles of DBA but removes the need for wearable devices, making it accessible for studying smaller vertebrates.<\/p>\n\n\n\n<p><strong>Implications for Research<\/strong><br>Dr. Kota Ishikawa, the study\u2019s lead author, highlights the potential of this method: \u201cVideo-based DBA opens doors to studying energy use in half of the world\u2019s vertebrate species previously excluded due to size limitations.\u201d Applications include investigating collective behaviors, such as fish schooling, to determine energy efficiency and ecological adaptations.<\/p>\n\n\n\n<p><strong>Future Directions<\/strong><br>The researchers envision broader use of this method in both lab and field settings, enabling new insights into animal behavior, ecology, and evolution. By removing technological barriers, the study paves the way for a deeper understanding of energy dynamics across diverse species.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scientists have developed an innovative technique to estimate energy consumption in small animals using video and 3D tracking, overcoming limitations posed by traditional wearable equipment. The study, published in the&nbsp;Journal of Experimental Biology, was conducted by researchers from the Okinawa Institute of Science and Technology (OIST) and the Hebrew University of Jerusalem. A Breakthrough in [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1367],"tags":[1368],"class_list":["post-4063","post","type-post","status-publish","format-standard","hentry","category-biology","tag-biology"],"_links":{"self":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts\/4063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4063"}],"version-history":[{"count":2,"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts\/4063\/revisions"}],"predecessor-version":[{"id":4383,"href":"https:\/\/scientificworld.org\/index.php?rest_route=\/wp\/v2\/posts\/4063\/revisions\/4383"}],"wp:attachment":[{"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/scientificworld.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}