{"id":7265,"date":"2026-04-06T03:13:51","date_gmt":"2026-04-06T03:13:51","guid":{"rendered":"https:\/\/www.dayiextrudermachine.com\/?p=7265"},"modified":"2026-04-06T03:13:53","modified_gmt":"2026-04-06T03:13:53","slug":"the-key-to-quality-dry-dog-food-mastering-the-drying-process","status":"publish","type":"post","link":"https:\/\/www.dayiextrudermachine.com\/ja\/the-key-to-quality-dry-dog-food-mastering-the-drying-process\/","title":{"rendered":"The Key to Quality Dry Dog Food: Mastering the Drying Process"},"content":{"rendered":"<p>When manufacturing dry dog food (kibble), extrusion often gets the spotlight, but <strong>drying is the true make-or-break stage<\/strong>. Improper drying leads to mold growth, nutrient loss, poor texture, and short shelf life. Mastering drying ensures a shelf-stable, crunchy, and safe product that dogs love and owners trust.<\/p><p>This article outlines the key principles, equipment, and control points for effective kibble drying.<\/p><figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"697\" height=\"596\" src=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_145952_384.png\" alt=\"\" class=\"wp-image-6355\" style=\"width:824px;height:auto\" srcset=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_145952_384.png 697w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_145952_384-300x257.png 300w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_145952_384-14x12.png 14w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_145952_384-600x513.png 600w\" sizes=\"(max-width: 697px) 100vw, 697px\" \/><\/figure><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">1. Why Drying Is Critical<\/h2><p>Freshly extruded kibble contains <strong>20\u201325% moisture<\/strong>. If packaged as is, it will spoil within days due to:<\/p><ul class=\"wp-block-list\"><li><strong>Microbial growth<\/strong> (mold, bacteria)<\/li>\n\n<li><strong>Enzymatic degradation<\/strong> (rancidity, off-flavors)<\/li>\n\n<li><strong>Soft, chewy texture<\/strong> (unappealing to dogs and owners)<\/li><\/ul><p>The goal of drying is to reduce moisture to <strong>6\u201310%<\/strong> , achieving:<\/p><ul class=\"wp-block-list\"><li><strong>Water activity (aw) below 0.6<\/strong> \u2013 Prevents microbial growth<\/li>\n\n<li><strong>Crunchy texture<\/strong> \u2013 Mechanical breakdown aids dental health<\/li>\n\n<li><strong>Stable shelf life<\/strong> \u2013 12\u201318 months without preservatives<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Key metric:<\/strong> Every 1% excess moisture above 10% doubles the risk of mold within 3 months.<\/p>\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"680\" height=\"658\" src=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_150012_191.png\" alt=\"\" class=\"wp-image-6356\" style=\"width:795px;height:auto\" srcset=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_150012_191.png 680w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_150012_191-300x290.png 300w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_150012_191-12x12.png 12w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/01\/ScreenShot_2026-01-05_150012_191-600x581.png 600w\" sizes=\"(max-width: 680px) 100vw, 680px\" \/><\/figure><\/blockquote><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">2. The Science of Kibble Drying<\/h2><p>Drying is a <strong>heat and mass transfer process<\/strong>:<\/p><ul class=\"wp-block-list\"><li><strong>Heat<\/strong> evaporates water from the kibble surface.<\/li>\n\n<li><strong>Mass transfer<\/strong> moves internal moisture to the surface.<\/li><\/ul><p>Two phases occur:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Phase<\/th><th class=\"has-text-align-left\" data-align=\"left\">What Happens<\/th><th class=\"has-text-align-left\" data-align=\"left\">Rate<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Constant rate<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Surface water evaporates freely<\/td><td class=\"has-text-align-left\" data-align=\"left\">Fast<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Falling rate<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Internal moisture diffuses outward<\/td><td class=\"has-text-align-left\" data-align=\"left\">Slow (controls total time)<\/td><\/tr><\/tbody><\/table><\/figure><p>The falling rate phase determines drying time and uniformity. If rushed, the outer layer hardens (case hardening), trapping moisture inside.<\/p><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Critical principle:<\/strong> Slow drying in the falling rate phase prevents case hardening and ensures even moisture distribution.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"290\" src=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-1024x290.jpg\" alt=\"\" class=\"wp-image-7129\" srcset=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-1024x290.jpg 1024w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-300x85.jpg 300w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-768x217.jpg 768w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-1536x435.jpg 1536w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-2048x580.jpg 2048w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-18x5.jpg 18w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/03\/dog-food-machine-600x170.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/blockquote><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">3. Key Drying Equipment for Dog Food<\/h2><p>Most industrial dog food production uses <strong>multi-stage belt dryers<\/strong>.<\/p><h3 class=\"wp-block-heading\">Multi-Stage Belt Dryer (Most Common)<\/h3><ul class=\"wp-block-list\"><li><strong>How it works:<\/strong> Kibble moves on perforated belts through zones with varying temperature, humidity, and airflow.<\/li>\n\n<li><strong>Typical zones:<\/strong><\/li><\/ul><ol class=\"wp-block-list\"><li><strong>Zone 1 (120\u2013150\u00b0C)<\/strong> \u2013 Rapid surface drying<\/li>\n\n<li><strong>Zone 2 (90\u2013120\u00b0C)<\/strong> \u2013 Falling rate drying<\/li>\n\n<li><strong>Zone 3 (60\u201380\u00b0C)<\/strong> \u2013 Final equilibration<\/li><\/ol><ul class=\"wp-block-list\"><li><strong>Retention time:<\/strong> 20\u201340 minutes<\/li>\n\n<li><strong>Capacity:<\/strong> 1\u201310 tons\/hour<\/li><\/ul><h3 class=\"wp-block-heading\">Alternative Dryers<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Type<\/th><th class=\"has-text-align-left\" data-align=\"left\">Best For<\/th><th class=\"has-text-align-left\" data-align=\"left\">Pros<\/th><th class=\"has-text-align-left\" data-align=\"left\">Cons<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Rotary dryer<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Very high capacity (10+ t\/h)<\/td><td class=\"has-text-align-left\" data-align=\"left\">Continuous, robust<\/td><td class=\"has-text-align-left\" data-align=\"left\">Higher breakage<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Fluid bed dryer<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Small, delicate kibble<\/td><td class=\"has-text-align-left\" data-align=\"left\">Gentle, uniform<\/td><td class=\"has-text-align-left\" data-align=\"left\">Higher energy use<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Vacuum dryer<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Premium,\u4f4e\u6e29 lines<\/td><td class=\"has-text-align-left\" data-align=\"left\">Preserves nutrients<\/td><td class=\"has-text-align-left\" data-align=\"left\">Batch process, expensive<\/td><\/tr><\/tbody><\/table><\/figure><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Industry standard:<\/strong> Multi-stage belt dryer offers the best balance of capacity, quality, and energy efficiency.<\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-1024x768.jpg\" alt=\"\" class=\"wp-image-7249\" srcset=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-1024x768.jpg 1024w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-300x225.jpg 300w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-768x576.jpg 768w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-1536x1152.jpg 1536w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-16x12.jpg 16w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven-600x450.jpg 600w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/04\/oven.jpg 1706w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/blockquote><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">4. Critical Drying Parameters (Control Points)<\/h2><p>To produce consistent, high-quality kibble, operators must monitor and adjust these parameters in real time.<\/p><h3 class=\"wp-block-heading\">4.1 Inlet Moisture (Pre-Dryer)<\/h3><ul class=\"wp-block-list\"><li><strong>Target:<\/strong> 22\u201324% after extrusion<\/li>\n\n<li><strong>Why:<\/strong> Too high extends drying time; too low indicates poor extrusion control.<\/li><\/ul><h3 class=\"wp-block-heading\">4.2 Temperature Profile<\/h3><ul class=\"wp-block-list\"><li><strong>Zone 1:<\/strong> 120\u2013150\u00b0C \u2013 High but short to avoid surface scorching.<\/li>\n\n<li><strong>Zone 2:<\/strong> 90\u2013120\u00b0C \u2013 Moderate for internal moisture removal.<\/li>\n\n<li><strong>Zone 3:<\/strong> 60\u201380\u00b0C \u2013 Gentle for final equilibration.<\/li>\n\n<li><strong>Exit kibble temperature:<\/strong> Should be &lt;40\u00b0C before packaging.<\/li><\/ul><h3 class=\"wp-block-heading\">4.3 Airflow &amp; Humidity<\/h3><ul class=\"wp-block-list\"><li><strong>Air velocity:<\/strong> 1.5\u20133 m\/s through the bed<\/li>\n\n<li><strong>Relative humidity:<\/strong> Decreasing from 40% (Zone 1) to 15% (Zone 3)<\/li>\n\n<li><strong>Counterflow design<\/strong> (air moves opposite kibble) improves efficiency.<\/li><\/ul><h3 class=\"wp-block-heading\">4.4 Retention Time<\/h3><ul class=\"wp-block-list\"><li><strong>Typical:<\/strong> 20\u201340 minutes<\/li>\n\n<li><strong>Adjust based on:<\/strong> Kibble size (larger needs more time), initial moisture, and target final moisture.<\/li><\/ul><h3 class=\"wp-block-heading\">4.5 Bed Depth<\/h3><ul class=\"wp-block-list\"><li><strong>Target:<\/strong> 5\u201315 cm on the belt<\/li>\n\n<li><strong>Too shallow:<\/strong> Low throughput, wasted energy<\/li>\n\n<li><strong>Too deep:<\/strong> Uneven drying, wet center, case hardening<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">5. Common Drying Defects and Solutions<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Defect<\/th><th class=\"has-text-align-left\" data-align=\"left\">Cause<\/th><th class=\"has-text-align-left\" data-align=\"left\">Solution<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Case hardening<\/strong> (dry shell, wet core)<\/td><td class=\"has-text-align-left\" data-align=\"left\">Zone 1 temperature too high; too fast initial drying<\/td><td class=\"has-text-align-left\" data-align=\"left\">Reduce Zone 1 temp; increase humidity in early zones<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Surface cracking<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Too rapid moisture removal<\/td><td class=\"has-text-align-left\" data-align=\"left\">Lower airflow; reduce temperature ramp rate<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Scorched \/ burnt kibble<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Zone 1 temperature too high or belt jam<\/td><td class=\"has-text-align-left\" data-align=\"left\">Reduce temp; ensure even bed distribution<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Mold after packaging<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Final moisture &gt;10% or uneven drying<\/td><td class=\"has-text-align-left\" data-align=\"left\">Increase retention time; check zone 3 performance<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Soft \/ chewy texture<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Insufficient drying overall<\/td><td class=\"has-text-align-left\" data-align=\"left\">Extend retention time; raise zone 2 temperature<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>High breakage \/ fines<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Over-drying or mechanical impact<\/td><td class=\"has-text-align-left\" data-align=\"left\">Reduce temperature; slow belt speed; add gentle conveyors<\/td><\/tr><\/tbody><\/table><\/figure><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">6. Post-Drying Handling<\/h2><p>Drying doesn&#8217;t end at the dryer exit. Two more steps are critical:<\/p><h3 class=\"wp-block-heading\">6.1 Cooling<\/h3><ul class=\"wp-block-list\"><li><strong>Equipment:<\/strong> Counterflow cooler (ambient or chilled air)<\/li>\n\n<li><strong>Target exit temperature:<\/strong> &lt;40\u00b0C (ideally 30\u201335\u00b0C)<\/li>\n\n<li><strong>Why:<\/strong> Warm kibble will condense moisture inside the bag, leading to mold.<\/li><\/ul><h3 class=\"wp-block-heading\">6.2 Moisture Equilibration (Tempering)<\/h3><ul class=\"wp-block-list\"><li><strong>Process:<\/strong> Hold dried kibble in a silo for 1\u20134 hours before coating\/packaging.<\/li>\n\n<li><strong>Why:<\/strong> Allows residual internal moisture to redistribute evenly throughout each piece.<\/li>\n\n<li><strong>Result:<\/strong> Uniform final moisture (\u00b10.5% variation).<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">7. Quality Control Tests for Dried Kibble<\/h2><p>Every batch should be tested for:<\/p><figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-1024x768.jpg\" alt=\"\" class=\"wp-image-6886\" srcset=\"https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-1024x768.jpg 1024w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-300x225.jpg 300w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-768x576.jpg 768w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-1536x1152.jpg 1536w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-16x12.jpg 16w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven-600x450.jpg 600w, https:\/\/www.dayiextrudermachine.com\/wp-content\/uploads\/2026\/02\/Oven.jpg 1706w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Test<\/th><th class=\"has-text-align-left\" data-align=\"left\">Method<\/th><th class=\"has-text-align-left\" data-align=\"left\">Specification<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Moisture content<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Oven drying (135\u00b0C for 2h) or NIR<\/td><td class=\"has-text-align-left\" data-align=\"left\">6\u201310% (premium: 7\u20139%)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Water activity (aw)<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">aw meter<\/td><td class=\"has-text-align-left\" data-align=\"left\">&lt;0.65 (ideal &lt;0.60)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Hardness \/ Crunch<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Texture analyzer<\/td><td class=\"has-text-align-left\" data-align=\"left\">8\u201315 kg force (varies by size)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Color<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Visual or colorimeter<\/td><td class=\"has-text-align-left\" data-align=\"left\">Consistent with standard<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>Fines (% broken)<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Sieve analysis<\/td><td class=\"has-text-align-left\" data-align=\"left\">&lt;2% passing through 2mm screen<\/td><\/tr><\/tbody><\/table><\/figure><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Frequency:<\/strong> At least every 30 minutes during production.<\/p><\/blockquote><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">8. Energy Efficiency Considerations<\/h2><p>Drying consumes <strong>50\u201370% of total energy<\/strong> in a dog food plant. Efficiency improvements include:<\/p><ul class=\"wp-block-list\"><li><strong>Heat recovery:<\/strong> Recapture exhaust heat to preheat incoming air.<\/li>\n\n<li><strong>Multi-stage drying:<\/strong> Remove 70% of moisture in the first two zones (where efficiency is highest).<\/li>\n\n<li><strong>Proper insulation:<\/strong> Reduce heat loss from dryer walls.<\/li>\n\n<li><strong>Automatic moisture control:<\/strong> Use inline NIR sensors to adjust temperature and retention time dynamically, avoiding over-drying.<\/li><\/ul><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">9. Summary: The 5 Keys to Successful Dog Food Drying<\/h2><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Key<\/th><th class=\"has-text-align-left\" data-align=\"left\">Action<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>1. Control inlet moisture<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Keep 22\u201324% post-extrusion<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>2. Use a temperature profile<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Start high (Zone 1), finish low (Zone 3)<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>3. Avoid case hardening<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Don&#8217;t rush the falling rate phase<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>4. Cool before packaging<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Target &lt;40\u00b0C exit temperature<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\"><strong>5. Test every batch<\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">Moisture, aw, hardness, fines<\/td><\/tr><\/tbody><\/table><\/figure><hr class=\"wp-block-separator has-alpha-channel-opacity\"\/><h2 class=\"wp-block-heading\">Conclusion<\/h2><p>Drying is not simply &#8220;removing water&#8221; \u2014 it is a carefully controlled thermal process that defines the final quality of dry dog food. A well-dried kibble is <strong>crunchy, safe, and stable<\/strong>. A poorly dried one is prone to mold, rancidity, and rejection by both dogs and owners.<\/p><p>By mastering the key parameters \u2014 temperature profile, airflow, retention time, and post-drying handling \u2014 manufacturers can produce dog food that stands out for its consistent texture, extended shelf life, and canine appeal. If you are interested in the <a href=\"https:\/\/www.dayiextrudermachine.com\/ja\/pet-food-processing-line\/\">dog food machinery<\/a>, you can contact me , i will give you good advice and solutions .<\/p><p>1.Will you help us with the installation ?<\/p><p>Yes , We will send engineers to install and debug the equipment, and assist in training your staff.<\/p><p>2.Are you a factory or trading company?<\/p><p>We are a factory.<\/p><p>3.What certificate do you have?<\/p><p>We have ISO and CE certificate.<\/p><p>4.How long is the warranty period?<\/p><p>All of our machines have one year warranty.<\/p><p>5.What&#8217;s the main market of your company?<\/p><p>Our customers all over the world.<\/p><p>6.How much production capacity of your company one year?<\/p><p>This depends on your needs.<\/p><p><\/p>","protected":false},"excerpt":{"rendered":"<p>When manufacturing dry dog food (kibble), extrusion often gets the spotlight, but drying is the true make-or-break stage. Improper drying leads to mold growth, nutrient loss, poor texture, and short shelf life. Mastering drying ensures a shelf-stable, crunchy, and safe product that dogs love and owners trust. This article outlines the key principles, equipment, and control points for effective kibble drying. 1. Why Drying Is Critical Freshly extruded kibble contains 20\u201325% moisture. If packaged as is, it will spoil within days due to: The goal of drying is to reduce moisture to 6\u201310% , achieving: 2. The Science of Kibble Drying Drying is a heat and mass transfer process: Two [&hellip;]<\/p>","protected":false},"author":1,"featured_media":6353,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_focus_keyword":"","rank_math_description":"","footnotes":""},"categories":[296],"tags":[240,234],"class_list":["post-7265","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dog-food-machine","tag-dog-food-machine","tag-dog-food-making-machine"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/posts\/7265","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/comments?post=7265"}],"version-history":[{"count":0,"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/posts\/7265\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/media\/6353"}],"wp:attachment":[{"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/media?parent=7265"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/categories?post=7265"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dayiextrudermachine.com\/ja\/wp-json\/wp\/v2\/tags?post=7265"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}