{"id":3333,"date":"2025-05-30T11:03:11","date_gmt":"2025-05-30T05:03:11","guid":{"rendered":"https:\/\/beta.footwearexchange.com\/wp\/?p=3333"},"modified":"2026-01-31T10:49:13","modified_gmt":"2026-01-31T04:49:13","slug":"curing-temporary-preservation-of-raw-hides-and-skins","status":"publish","type":"post","link":"https:\/\/beta.footwearexchange.com\/wp\/curing-temporary-preservation-of-raw-hides-and-skins\/","title":{"rendered":"Curing: Temporary Preservation of Raw Hides and Skins"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;&#8221;]<b>Eid-ul-Adha<\/b> is not only a sacred religious occasion but also the single most significant annual event for Bangladesh\u2019s leather sector. Millions of animals are sacrificed nationwide, yielding a vast volume of raw hides and skins. These materials are critical to the leather industry, but their value can be lost within hours if not properly preserved. Short-term preservation\u2014or curing\u2014is essential to prevent putrefaction before the hides and skins reach the tannery. This article outlines the types of short-term preservation methods that are practical, effective, and vital for anyone involved in hide collection\u2014be it households, NGOs, traders, or local mosque.[\/vc_column_text][vc_single_image image=&#8221;3334&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]<b>Putrefaction: The Hidden Threat to Raw Hides and Skins<\/b><\/p>\n<p>putrefaction of raw hides and skins means the decay of protein and other hide materials due to bacterial action. So long as an animal is alive, the life force of animal saves the hide and skin from proteolytic bacterial attack. This bacteriological conversion of protein and other hide materials to different organic compounds is called putrefaction of raw hides and skins.<\/p>\n<p><b>Why Curing Matters<\/b><\/p>\n<p>Raw hides and skins are composed of protein-rich tissue that begins to decay rapidly due to microbial and enzymatic activity. In the hot, humid post-Eid weather of Bangladesh, this process can begin within 5\u20136 hours. <b>Curing halts decomposition<\/b> by removing moisture, neutralizing bacteria, and stabilizing the collagen structure\u2014the core of good-quality leather. If done correctly, temporary curing preserves the economic value of the raw material and ensures quality downstream in tanning and leather production.[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;&#8221;]<\/p>\n<ol>\n<li><b> Dry Salting \u2013 The Most Widely Used Method<\/b><\/li>\n<\/ol>\n<p>Salting is the most common and practical method of curing in Bangladesh.<\/p>\n<p><b>How it Works<\/b>:<\/p>\n<ul>\n<li>Use clean, coarse salt\u2014around 40\u201350% of the hide&#8217;s weight.<\/li>\n<li>Spread salt evenly on the flesh side of the hide.<\/li>\n<li>Stack hides flesh-to-flesh, avoiding excessive compression.<\/li>\n<li>Store in a cool, shaded area for 5 to 10 days.<\/li>\n<\/ul>\n<p><b>Benefits:<\/b><\/p>\n<p>\u2714 Inexpensive and accessible<br \/>\n\u2714 Can preserve hides for several weeks<br \/>\n\u2714 Retains leather-making quality<\/p>\n<p><b>Precautions:<\/b><\/p>\n<ul>\n<li>Never use fine grain salt or dirty salt.<\/li>\n<li>Remove blood, dirt, dung, and fat before salting.<\/li>\n<li>Don\u2019t stack too many hides together\u2014this blocks air and causes rotting.<\/li>\n<li><\/li>\n<\/ul>\n<ol start=\"2\">\n<li><b> Wet Salting \u2013 Useful in High Heat and Humidity<\/b><\/li>\n<\/ol>\n<p>This method involves mixing salt with a small amount of water to make a paste.<\/p>\n<p><b>How it Works:<\/b><\/p>\n<ul>\n<li>Apply the <b>salt-water paste<\/b> thickly on the flesh side.<\/li>\n<li>Let it cure for <b>3 to 5 days<\/b>.<\/li>\n<\/ul>\n<p><b>Best Used When:<\/b><\/p>\n<p>\u2714 Ambient temperature is high<br \/>\n\u2714 Quick salt penetration is needed<br \/>\n\u2714 Hides will be transported soon<\/p>\n<ol start=\"3\">\n<li><b> Sun Drying \u2013 A Traditional, Low-Cost Option<\/b><\/li>\n<\/ol>\n<p>Drying is simple and doesn&#8217;t require salt, making it suitable for remote or low-resource settings.<\/p>\n<p><b>How it Works:<\/b><\/p>\n<ul>\n<li>Clean and stretch hides flat, ideally <b>under shade<\/b> or indirect sunlight.<\/li>\n<li>Leave for <b>3\u20135 days<\/b> until fully dried.<\/li>\n<\/ul>\n<p><b>Limitations:<\/b><\/p>\n<ul>\n<li>Thick hides may not dry uniformly.<\/li>\n<li>Overexposure to sunlight may make hides <b>brittle and hard<\/b>.<\/li>\n<li>Dry hides are more difficult to process in tanneries.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][vc_separator border_width=&#8221;3&#8243; css=&#8221;&#8221;][\/vc_column][\/vc_row][vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;&#8221;]<\/p>\n<ol start=\"4\">\n<li><b> Brine Curing \u2013 For Large-Scale or Controlled Environments<\/b><\/li>\n<\/ol>\n<p>Brine curing uses <b>saltwater baths<\/b> (sodium chloride solution) to soak hides.<\/p>\n<p><b>How it Works:<\/b><\/p>\n<ul>\n<li>Prepare a <b>brine solution (18\u201325% salt)<\/b>.<\/li>\n<li>Soak hides for <b>12\u201324 hours<\/b>, then drain and stack for storage.<\/li>\n<\/ul>\n<p><b>Advantages:<\/b><\/p>\n<p>\u2714 Quick penetration<br \/>\n\u2714 Even distribution<br \/>\n\u2714 Reduces salt waste<\/p>\n<p><b>Limitations:<\/b><\/p>\n<p>Requires containers or tanks and proper disposal systems.[\/vc_column_text][vc_single_image image=&#8221;3335&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<ol start=\"5\">\n<li><b> Concrete Mixer Curing \u2013 Fast &amp; Efficient for Mass Collection<\/b><\/li>\n<\/ol>\n<p>An innovative approach being adopted by large NGOs and hide collectors.<\/p>\n<p><b>How it Works:<\/b><\/p>\n<ul>\n<li>Load <b>hides and salt<\/b> (40\u201350% of hide weight) into a <b>concrete mixer<\/b>.<\/li>\n<li>Rotate for <b>5\u201310 minutes<\/b>, ensuring even salt coverage.<\/li>\n<li>Stack and store as usual.<\/li>\n<\/ul>\n<p><b>Why It\u2019s Effective:<\/b><\/p>\n<p>\u2714 Saves time<br \/>\n\u2714 Ensures uniform salt application<br \/>\n\u2714 Reduces labor<\/p>\n<p>Ideal for urban centers, district-level collection hubs, or cooperative organizations[\/vc_column_text][\/vc_column][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;&#8221;]<\/p>\n<ol start=\"6\">\n<li><b> Chilling or Freezing \u2013 Rare but Effective<\/b><\/li>\n<\/ol>\n<p>Chilling (-2\u00b0C to 4\u00b0C) and deep-freezing (-20\u00b0C) preserve hides for extended periods.<\/p>\n<p><b>Use Cases:<\/b><\/p>\n<p>\u2714 High-value skins (e.g., goat or sheep)<br \/>\n\u2714 Exporters or industrial processors<\/p>\n<p><b>Limitations:<\/b><\/p>\n<ul>\n<li><b>Expensive<\/b><\/li>\n<li>Requires <b>cold storage infrastructure<\/b><\/li>\n<li>Not viable for mass post-Eid use<\/li>\n<\/ul>\n<p><b>Best Practices During <\/b><b>Korbani<\/b><b> Eid<\/b><\/p>\n<ul>\n<li><b>Start curing within 2\u20134 hours<\/b> after flaying<\/li>\n<li>Avoid <b>plastic bags<\/b>\u2014they trap moisture<\/li>\n<li>Train volunteers in proper <b>cleaning and salting<\/b><\/li>\n<li>Encourage local mosques to set up <b>curing stations<\/b><\/li>\n<li>Coordinate with <b>tanneries or hide traders<\/b> for prompt collection<\/li>\n<\/ul>\n<p>Every year, <b>20\u201330% of sacrificial hides<\/b> are wasted in Bangladesh due to poor preservation. With better awareness, local engagement, and the use of practical curing methods like <b>dry salting, brine curing, and concrete mixer salting<\/b>, this wastage can be significantly reduced.<\/p>\n<p>By ensuring timely and correct curing, communities can protect the value of these hides, support the national leather sector, and minimize environmental harm.[\/vc_column_text][vc_single_image image=&#8221;3336&#8243; img_size=&#8221;full&#8221; alignment=&#8221;center&#8221; css=&#8221;&#8221;][vc_column_text css=&#8221;&#8221;]<\/p>\n<pre style=\"text-align: right;\">Source: Ref.\u00a0 Book of SS Dutta, Picture from TBS<\/pre>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;&#8221;]Eid-ul-Adha is not only a sacred religious occasion but also the single most significant annual event for Bangladesh\u2019s leather sector. Millions of animals are sacrificed nationwide, yielding a&hellip;<\/p>\n","protected":false},"author":1805,"featured_media":3334,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[90],"tags":[],"class_list":["post-3333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-the-footprint-june-2025","category-90","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.6.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Curing: Temporary Preservation of Raw Hides and Skins | Footwear Exchange<\/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:\/\/beta.footwearexchange.com\/wp\/curing-temporary-preservation-of-raw-hides-and-skins\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Curing: Temporary Preservation of Raw Hides and Skins | Footwear Exchange\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column width=&#8221;1\/2&#8243;][vc_column_text css=&#8221;&#8221;]Eid-ul-Adha is not only a sacred religious occasion but also the single most significant annual event for Bangladesh\u2019s leather sector. 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