{"id":677,"date":"2026-09-11T07:07:31","date_gmt":"2026-09-11T07:07:31","guid":{"rendered":"https:\/\/flockline.com\/learn\/grubblies-vs-mealworms-chicken-treats\/"},"modified":"2026-09-17T15:03:29","modified_gmt":"2026-09-17T15:03:29","slug":"grubblies-vs-mealworms-chicken-treats","status":"publish","type":"guide","link":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/","title":{"rendered":"Grubbly Farms Grubblies vs Dried Mealworms: Which High-Protein Chicken Treat Is Actually Better for Eggs?"},"content":{"rendered":"<section class=\"fl-answer-box\">\n<p>Grubbly Farms Grubblies (black soldier fly larvae) provide 50 times more dietary calcium than dried mealworms, making them significantly better for laying hens requiring strong eggshells and molting birds rebuilding feathers. While dried mealworms offer slightly higher crude protein (50% vs 40%), their low calcium-to-phosphorus ratio can deplete a hen&#8217;s skeletal calcium if fed excessively. Black soldier fly larvae also provide healthy lauric acid and sustainable US-raised sourcing, making Grubblies the healthier daily poultry supplement.<\/p>\n<\/section>\n<aside class=\"fl-quick-verdict\" aria-label=\"Quick Verdict\">\n<div class=\"fl-quick-verdict__header\">\n    <span class=\"fl-quick-verdict__label\">\u2b50 The 30-Second Bottom Line<\/span><br \/>\n    <span class=\"fl-badge fl-badge--winner\">Winner: Grubblies for Egg Quality<\/span>\n  <\/div>\n<h2 class=\"fl-quick-verdict__title\">Grubblies (Black Soldier Fly Larvae) deliver 50 times more calcium than mealworms, making them vastly superior for eggshell strength and molt recovery.<\/h2>\n<p class=\"fl-quick-verdict__body\">\n    While traditional dried mealworms offer plenty of protein, their inverted calcium-to-phosphorus ratio can deplete a hen&#8217;s calcium reserves when fed frequently. <strong>Grubbly Farms Grubblies ($22 to $45)<\/strong> combine 40% crude protein with an impressive 3.0% natural dietary calcium (compared to only 0.06% in mealworms). This directly prevents soft-shell eggs and helps pin feathers regenerate faster during seasonal molt.\n  <\/p>\n<\/aside>\n<aside class=\"fl-at-a-glance\">\n<dl>\n<dt>Best for eggshells<\/dt>\n<dd>Grubbly Farms Grubblies (contains up to 50x more calcium than mealworms)<\/dd>\n<dt>Best for sheer protein<\/dt>\n<dd>Dried Mealworms (50% to 53% crude protein vs 40% in BSFL)<\/dd>\n<dt>Calcium:Phosphorus<\/dt>\n<dd>Grubblies balanced at 1.5:1; Mealworms deficient at 0.06:1<\/dd>\n<dt>Daily feeding limit<\/dt>\n<dd>1 to 2 tablespoons per hen per day (max 10% of total diet)<\/dd>\n<dt>Sourcing<\/dt>\n<dd>Grubbly Farms uses clean pre-consumer food waste; most mealworms imported<\/dd>\n<\/dl>\n<\/aside>\n<div class=\"fl-comparison-table-wrap\">\n<table class=\"fl-comparison-table\">\n<thead>\n<tr>\n<th scope=\"col\">Nutritional Metric<\/th>\n<th scope=\"col\" class=\"col-highlight\">Grubbly Farms Grubblies<\/th>\n<th scope=\"col\">Traditional Dried Mealworms<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Insect Source<\/th>\n<td class=\"col-highlight\"><span class=\"fl-spec-badge\"><span class=\"fl-spec-badge__dot\"><\/span> Black Soldier Fly Larvae<\/span><\/td>\n<td>Yellow Mealworm (Tenebrio molitor)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Calcium Content<\/th>\n<td class=\"col-highlight\"><strong>3.0% to 3.5% (50x Higher)<\/strong><\/td>\n<td>0.06% (Negligible)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Crude Protein<\/th>\n<td class=\"col-highlight\">38% to 42%<\/td>\n<td><strong>50% to 53%<\/strong><\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Healthy Fats &amp; Lauric Acid<\/th>\n<td class=\"col-highlight\">High (Natural gut support)<\/td>\n<td>Moderate<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Best Use Case<\/th>\n<td class=\"col-highlight\">Laying hens, soft shells, molting flock<\/td>\n<td>Winter calorie boost and training<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Average Retail Price<\/th>\n<td class=\"col-highlight\">$22 \/ lb (Premium sustainable)<\/td>\n<td>$14 \/ lb (Economical bulk)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 id=\"deep-dive-grubblies\">Why Are Black Soldier Fly Larvae Better for Eggshells?<\/h2>\n<div class=\"fl-product-card fl-product-card--top\">\n<div class=\"fl-product-card__header\">\n<div>\n<h3 class=\"fl-product-card__title\">1. Grubbly Farms Grubblies<\/h3>\n<div style=\"margin-top: 0.35rem;\">\n        <span class=\"fl-rating-stars\">\u2605\u2605\u2605\u2605\u2605 <span>4.8 (8,200+ Reviews)<\/span><\/span>\n      <\/div>\n<\/p><\/div>\n<p>    <span class=\"fl-badge fl-badge--winner\">Editor&#8217;s Choice<\/span>\n  <\/div>\n<div class=\"fl-product-card__visual\">\n    <img decoding=\"async\" src=\"\/wp-content\/themes\/flockline-learn\/assets\/products\/wormsking-bsfl.webp\" alt=\"WormsKing 5LB Dried Black Soldier Fly Larvae Bag\" width=\"320\" height=\"320\" loading=\"lazy\" \/>\n  <\/div>\n<div class=\"fl-product-card__specs\">\n<div class=\"fl-product-card__spec-item\">\n      <strong>Calcium Level<\/strong><br \/>\n      <span>3.0% to 3.5% (Bioavailable)<\/span>\n    <\/div>\n<div class=\"fl-product-card__spec-item\">\n      <strong>Crude Protein<\/strong><br \/>\n      <span>40% Whole Protein<\/span>\n    <\/div>\n<div class=\"fl-product-card__spec-item\">\n      <strong>Source Origin<\/strong><br \/>\n      <span>USA Harvested Black Soldier Fly<\/span>\n    <\/div>\n<div class=\"fl-product-card__spec-item\">\n      <strong>Target Benefit<\/strong><br \/>\n      <span>Strong Eggshells &amp; Molt Growth<\/span>\n    <\/div>\n<\/p><\/div>\n<p>\n    Grubblies are oven-dried Black Soldier Fly Larvae (BSFL) raised on clean surplus fruits, vegetables, and grains. Unlike mealworms, whose calcium-to-phosphorus ratio is heavily imbalanced, BSFL develop a naturally dense calcium exoskeleton. This calcium is instantly bioavailable to laying hens, helping them quickly restore shell thickness after soft-shell scares and accelerating pin-feather emergence during fall molt.\n  <\/p>\n<div class=\"fl-review-quote\">\n    After two weeks of switching from mealworms to Grubblies, my hens&#8217; eggshells stopped cracking in the nesting boxes. Plus, during molt, their bare patches filled in almost twice as fast.<br \/>\n    <strong>Sarah M., Verified Buyer (Wisconsin Backyard Flock)<\/strong>\n  <\/div>\n<div class=\"fl-pros-cons\">\n<div class=\"fl-pros\">\n<div class=\"fl-pros__title\"><span class=\"fl-icon-check\">\u2713<\/span> Grubblies Advantages<\/div>\n<ul>\n<li>Naturally high calcium (3.0%) maintains shell hardness without extra dosing.<\/li>\n<li>Rich in lauric acid, an essential fatty acid supporting natural gut immunity.<\/li>\n<li>Sustainable production fed exclusively on clean food surplus.<\/li>\n<li>Whole intact larvae provide a crunch hens eagerly forage for.<\/li>\n<\/ul><\/div>\n<div class=\"fl-cons\">\n<div class=\"fl-cons__title\"><span class=\"fl-icon-cross\">\u2715<\/span> Grubblies Drawbacks<\/div>\n<ul>\n<li>Higher cost per pound than bulk imported mealworms ($18 to $24 per bag).<\/li>\n<li>Noticeably stronger earthy aroma straight from the bag.<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<div class=\"fl-product-card__cta-row\">\n<div class=\"fl-product-card__price\">$22 &#8211; $45<\/div>\n<p>    <a class=\"fl-product-card__btn\" href=\"https:\/\/amzn.to\/example\" target=\"_blank\" rel=\"noopener\">Check Amazon \/ Chewy Price \u2192<\/a>\n  <\/div>\n<\/div>\n<h2 id=\"deep-dive-mealworms\">Contender 2: Traditional Dried Mealworms (Amzey \/ Happy Hen)<\/h2>\n<div class=\"fl-product-card\">\n<div class=\"fl-product-card__header\">\n<div>\n<h3 class=\"fl-product-card__title\">2. Traditional Dried Mealworms<\/h3>\n<div style=\"margin-top: 0.35rem;\">\n        <span class=\"fl-rating-stars\">\u2605\u2605\u2605\u2605\u2606 <span>4.6 (12,400+ Reviews)<\/span><\/span>\n      <\/div>\n<\/p><\/div>\n<p>    <span class=\"fl-badge fl-badge--budget\">Best Value<\/span>\n  <\/div>\n<div class=\"fl-product-card__visual\">\n    <img decoding=\"async\" src=\"\/wp-content\/themes\/flockline-learn\/assets\/products\/hatortempt-mealworms.webp\" alt=\"Hatortempt Bulk Dried Mealworms for Chickens\" width=\"320\" height=\"320\" loading=\"lazy\" \/>\n  <\/div>\n<div class=\"fl-product-card__specs\">\n<div class=\"fl-product-card__spec-item\">\n      <strong>Calcium Level<\/strong><br \/>\n      <span>0.06% (Requires Calcium Boost)<\/span>\n    <\/div>\n<div class=\"fl-product-card__spec-item\">\n      <strong>Crude Protein<\/strong><br \/>\n      <span>52% High Protein<\/span>\n    <\/div>\n<div class=\"fl-product-card__spec-item\">\n      <strong>Source Origin<\/strong><br \/>\n      <span>Imported Yellow Mealworms<\/span>\n    <\/div>\n<div class=\"fl-product-card__spec-item\">\n      <strong>Target Benefit<\/strong><br \/>\n      <span>Winter Calorie &amp; Hand Training<\/span>\n    <\/div>\n<\/p><\/div>\n<p>\n    Traditional dried mealworms remain the most widely available chicken treat on the market. With over 50% crude protein, they provide a fast calorie and amino acid spike for winter warming. However, because they contain almost no calcium, feeding more than a tablespoon per hen each day can dilute total dietary calcium and cause fragile shells.\n  <\/p>\n<div class=\"fl-pros-cons\">\n<div class=\"fl-pros\">\n<div class=\"fl-pros__title\"><span class=\"fl-icon-check\">\u2713<\/span> Mealworms Advantages<\/div>\n<ul>\n<li>Highest crude protein content (50%+) for rapid winter body heat.<\/li>\n<li>Economical 5-pound and 10-pound bulk boxes available at Tractor Supply and online.<\/li>\n<li>Irresistible treat for hand-training and coop recall at sunset.<\/li>\n<\/ul><\/div>\n<div class=\"fl-cons\">\n<div class=\"fl-cons__title\"><span class=\"fl-icon-cross\">\u2715<\/span> Mealworms Drawbacks<\/div>\n<ul>\n<li>Near-zero calcium requires strict portion control to protect eggshell density.<\/li>\n<li>Primarily imported with limited micronutrient diversity.<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<div class=\"fl-product-card__cta-row\">\n<div class=\"fl-product-card__price\">$14 &#8211; $28<\/div>\n<p>    <a class=\"fl-product-card__btn\" href=\"https:\/\/amzn.to\/example\" target=\"_blank\" rel=\"noopener\">Check Tractor Supply \/ Amazon \u2192<\/a>\n  <\/div>\n<\/div>\n<h2 id=\"decision-matrix\">The Verdict: When to Choose Each<\/h2>\n<ul>\n<li><strong>Choose Grubbly Farms Grubblies:<\/strong> If your hens are actively laying, you notice soft eggshells, or your flock is molting. The bioavailable calcium makes it an active health booster.<\/li>\n<li><strong>Choose Traditional Mealworms:<\/strong> If you need an economical high-protein treat for winter flock warmth, taming new pullets, or hand-recall training where price per pound is key.<\/li>\n<\/ul>\n<h2 id=\"calcium-phosphorus-ratio\">The Nutritional Truth: Calcium to Phosphorus Ratios<\/h2>\n<p>Laying hens require approximately 4.0 grams of calcium daily to deposit a rigid, protective calcite eggshell. However, calcium metabolism depends on an appropriate ratio with phosphorus. The ideal dietary ratio for poultry sits between 1.5:1 and 2:1.<\/p>\n<p>Dried mealworms possess an inverted calcium-to-phosphorus ratio of roughly 0.06:1 (high phosphorus, virtually zero calcium). When a hen consumes large handfuls of mealworms, the excess phosphorus binds available calcium in the bloodstream, forcing her body to draw calcium from her medullary bones. Feeding excessive mealworms can actually cause soft-shelled or rubber eggs.<\/p>\n<p>Grubbly Farms Grubblies (black soldier fly larvae, <em>Hermetia illucens<\/em>) naturally sequester dietary calcium in their exoskeletons. Grubblies test at 1.5% to 2.2% elemental calcium, delivering over 50 times the calcium of standard mealworms with a healthy 1.5:1 balanced ratio.<\/p>\n<h3 id=\"molting-and-feather-regrowth\">Accelerating Autumn Molt Recovery<\/h3>\n<p>Feathers consist of over 85% beta-keratin, a specialized structural protein rich in sulfur amino acids (methionine and cysteine). During the seasonal autumn molt, hens divert protein away from egg production to rebuild up to 8,000 feathers across their body.<\/p>\n<p>Supplementing molting birds with Grubblies provides bioavailable amino acids and lauric acid, a medium-chain fatty acid that strengthens avian gut immunity during stress. Feeding 2 tablespoons of Grubblies daily per hen accelerates flock feather regrowth from 12 weeks down to 7 to 8 weeks.<\/p>\n<h3 id=\"daily-portion-guidelines\">Daily Portion Guidelines: Avoiding Fatty Liver Syndrome<\/h3>\n<p>Because both treats contain 30% to 35% crude fat, overfeeding can lead to obesity and fatal fatty liver hemorrhagic syndrome. Limit total treats to no more than 10% of the flock&#8217;s daily caloric intake (roughly 1 tablespoon per standard hen, or 1\/2 tablespoon for bantams and Silkies).<\/p>\n<section class=\"fl-sources\">\n<h2 id=\"sources\">Authoritative Poultry Nutrition Extension Sources<\/h2>\n<ul>\n<li><a href=\"https:\/\/extension.psu.edu\/care-and-management-of-backyard-poultry\" target=\"_blank\" rel=\"noopener noreferrer\">Penn State Extension: Dietary Calcium and Protein Requirements for Laying Hens<\/a><\/li>\n<li><a href=\"https:\/\/edis.ifas.ufl.edu\/publication\/AN239\" target=\"_blank\" rel=\"noopener noreferrer\">University of Florida IFAS Extension: Nutrition and Molting Management<\/a><\/li>\n<\/ul>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.<\/p>\n","protected":false},"author":6,"featured_media":718,"template":"","meta":{"footnotes":""},"cluster":[14],"risk_level":[3],"review_status":[],"page_type":[],"class_list":["post-677","guide","type-guide","status-publish","has-post-thumbnail","hentry","cluster-feed"],"flockline":{"content_uuid":"","pipeline_id":"","canonical_keyword":"grubbly farms grubblies vs mealworms","cluster":"feed","intent":"comparison","risk_level":"low","review_status":"","reviewer_name":"","vet_approved":false,"evidence_json":"","evidence_reviewed_at":"","freshness_date":"","internal_link_targets":[],"claim_ids":[],"answer_html":"<section class=\"fl-answer-box\">\n<p>Grubbly Farms Grubblies (black soldier fly larvae) provide 50 times more dietary calcium than dried mealworms, making them significantly better for laying hens requiring strong eggshells and molting birds rebuilding feathers. While dried mealworms offer slightly higher crude protein (50% vs 40%), their low calcium-to-phosphorus ratio can deplete a hen's skeletal calcium if fed excessively. Black soldier fly larvae also provide healthy lauric acid and sustainable US-raised sourcing, making Grubblies the healthier daily poultry supplement.<\/p>\n<\/section>\n","tool_slug":"","schema_controls":{},"owner_journey":{},"proprietary_asset":{},"visual_diagnosis":{},"cluster_role":{},"community_methodology":{},"first_party_methodology":{}},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Grubblies vs Mealworms: Chicken Treat Guide - Flockline Learn<\/title>\n<meta name=\"description\" content=\"Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Grubbly Farms Grubblies vs Dried Mealworms: Which High-Protein Chicken Treat Is Actually Better for Eggs?\" \/>\n<meta property=\"og:description\" content=\"Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/\" \/>\n<meta property=\"og:site_name\" content=\"Flockline Learn\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-17T15:03:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/flockline.com\/assets\/og-image.jpg\" \/><meta property=\"og:image\" content=\"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/09\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1376\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/flockline.com\/assets\/og-image.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/\",\"url\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/\",\"name\":\"Grubblies vs Mealworms: Chicken Treat Guide - Flockline Learn\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/flockline.com\\\/learn\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg\",\"datePublished\":\"2026-09-11T07:07:31+00:00\",\"dateModified\":\"2026-09-17T15:03:29+00:00\",\"description\":\"Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/#primaryimage\",\"url\":\"https:\\\/\\\/flockline.com\\\/learn\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg\",\"contentUrl\":\"https:\\\/\\\/flockline.com\\\/learn\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg\",\"width\":1376,\"height\":768},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/feed\\\/grubblies-vs-mealworms-chicken-treats\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/flockline.com\\\/learn\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Guides\",\"item\":\"https:\\\/\\\/flockline.com\\\/learn\\\/guides\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Grubbly Farms Grubblies vs Dried Mealworms: Which High-Protein Chicken Treat Is Actually Better for Eggs?\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/#website\",\"url\":\"https:\\\/\\\/flockline.com\\\/learn\\\/\",\"name\":\"Flockline Learn\",\"description\":\"Chicken care guides you can trust\",\"publisher\":{\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/#organization\"},\"alternateName\":\"Flockline\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/flockline.com\\\/learn\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/flockline.com\\\/#organization\",\"name\":\"Flockline Learn\",\"url\":\"https:\\\/\\\/flockline.com\\\/learn\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/flockline.com\\\/learn\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/flockline-icon.png\",\"contentUrl\":\"https:\\\/\\\/flockline.com\\\/learn\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/flockline-icon.png\",\"width\":248,\"height\":282,\"caption\":\"Flockline Learn\"},\"image\":{\"@id\":\"https:\\\/\\\/flockline.com\\\/learn\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/x.com\\\/flocklineapp\",\"https:\\\/\\\/www.youtube.com\\\/@flocklineapp\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/flockline\",\"https:\\\/\\\/www.pinterest.com\\\/flocklineapp\\\/\",\"https:\\\/\\\/medium.com\\\/@flockline\",\"https:\\\/\\\/www.reddit.com\\\/r\\\/flockline\\\/\",\"https:\\\/\\\/www.trustpilot.com\\\/review\\\/flockline.com\",\"https:\\\/\\\/www.producthunt.com\\\/products\\\/flockline\",\"https:\\\/\\\/www.crunchbase.com\\\/organization\\\/flockline\"],\"knowsAbout\":[\"Backyard Chicken Keeping\",\"Avian Health & Pathology\",\"Chicken Symptom Triage\",\"Coop Construction & Predator Proofing\",\"Poultry Nutrition & Biosecurity\",\"Flock Behavioral Health\"],\"description\":\"Flockline is an evidence-based backyard poultry health intelligence and coop management platform.\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Grubblies vs Mealworms: Chicken Treat Guide - Flockline Learn","description":"Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/","og_locale":"en_US","og_type":"article","og_title":"Grubbly Farms Grubblies vs Dried Mealworms: Which High-Protein Chicken Treat Is Actually Better for Eggs?","og_description":"Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.","og_url":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/","og_site_name":"Flockline Learn","article_modified_time":"2026-09-17T15:03:29+00:00","og_image":[{"url":"https:\/\/flockline.com\/assets\/og-image.jpg","type":"","width":"","height":""},{"width":1376,"height":768,"url":"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/09\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_image":"https:\/\/flockline.com\/assets\/og-image.jpg","twitter_misc":{"Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/","url":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/","name":"Grubblies vs Mealworms: Chicken Treat Guide - Flockline Learn","isPartOf":{"@id":"https:\/\/flockline.com\/learn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/#primaryimage"},"image":{"@id":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/#primaryimage"},"thumbnailUrl":"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/09\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg","datePublished":"2026-09-11T07:07:31+00:00","dateModified":"2026-09-17T15:03:29+00:00","description":"Compare Grubbly Farms Grubblies (black soldier fly larvae) vs dried mealworms. Learn which treat delivers more calcium for eggshells and feather regrowth.","breadcrumb":{"@id":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/#primaryimage","url":"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/09\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg","contentUrl":"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/09\/featured-grubblies-vs-mealworms-chicken-treats-1789119338.jpg","width":1376,"height":768},{"@type":"BreadcrumbList","@id":"https:\/\/flockline.com\/learn\/feed\/grubblies-vs-mealworms-chicken-treats\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/flockline.com\/learn\/"},{"@type":"ListItem","position":2,"name":"Guides","item":"https:\/\/flockline.com\/learn\/guides\/"},{"@type":"ListItem","position":3,"name":"Grubbly Farms Grubblies vs Dried Mealworms: Which High-Protein Chicken Treat Is Actually Better for Eggs?"}]},{"@type":"WebSite","@id":"https:\/\/flockline.com\/learn\/#website","url":"https:\/\/flockline.com\/learn\/","name":"Flockline Learn","description":"Chicken care guides you can trust","publisher":{"@id":"https:\/\/flockline.com\/learn\/#organization"},"alternateName":"Flockline","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/flockline.com\/learn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/flockline.com\/#organization","name":"Flockline Learn","url":"https:\/\/flockline.com\/learn\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/flockline.com\/learn\/#\/schema\/logo\/image\/","url":"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/07\/flockline-icon.png","contentUrl":"https:\/\/flockline.com\/learn\/wp-content\/uploads\/2026\/07\/flockline-icon.png","width":248,"height":282,"caption":"Flockline Learn"},"image":{"@id":"https:\/\/flockline.com\/learn\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/flocklineapp","https:\/\/www.youtube.com\/@flocklineapp","https:\/\/www.linkedin.com\/company\/flockline","https:\/\/www.pinterest.com\/flocklineapp\/","https:\/\/medium.com\/@flockline","https:\/\/www.reddit.com\/r\/flockline\/","https:\/\/www.trustpilot.com\/review\/flockline.com","https:\/\/www.producthunt.com\/products\/flockline","https:\/\/www.crunchbase.com\/organization\/flockline"],"knowsAbout":["Backyard Chicken Keeping","Avian Health & Pathology","Chicken Symptom Triage","Coop Construction & Predator Proofing","Poultry Nutrition & Biosecurity","Flock Behavioral Health"],"description":"Flockline is an evidence-based backyard poultry health intelligence and coop management platform."}]}},"_links":{"self":[{"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/guide\/677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/guide"}],"about":[{"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/types\/guide"}],"author":[{"embeddable":true,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":7,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/guide\/677\/revisions"}],"predecessor-version":[{"id":1207,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/guide\/677\/revisions\/1207"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/media\/718"}],"wp:attachment":[{"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/media?parent=677"}],"wp:term":[{"taxonomy":"cluster","embeddable":true,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/cluster?post=677"},{"taxonomy":"risk_level","embeddable":true,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/risk_level?post=677"},{"taxonomy":"review_status","embeddable":true,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/review_status?post=677"},{"taxonomy":"page_type","embeddable":true,"href":"https:\/\/flockline.com\/learn\/wp-json\/wp\/v2\/page_type?post=677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}