{"id":1548,"date":"2026-06-20T15:56:19","date_gmt":"2026-06-20T13:56:19","guid":{"rendered":"https:\/\/english.resistantbees.es\/?p=1548"},"modified":"2026-06-22T21:40:16","modified_gmt":"2026-06-22T19:40:16","slug":"small-cell-beekeeping-the-basics","status":"publish","type":"post","link":"https:\/\/english.resistantbees.es\/?p=1548","title":{"rendered":"Small-cell beekeeping \u2013 the basics"},"content":{"rendered":"<h1>\ud83d\udc1d Small-Cell Beekeeping<\/h1>\n<div class=\"subtitle\"><span style=\"font-size: 14pt;\"><strong>Scientific studies, practical experience, and the crucial role of correct cell size \u2013 a complete overview<\/strong><\/span><\/div>\n<p>This page summarizes all relevant scientific studies, practitioner reports, and practical pitfalls regarding <strong>small-cell brood combs (4.9 mm)<\/strong>. Research shows: small cells can slow <em>Varroa<\/em> reproduction in susceptible colonies and improve bee health \u2013 but only if the cell size is <em>exact<\/em> and the bees&#8217; genetics contribute.<\/p>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83c\udfc6<\/span> The Success Recipe from Practice \u2013 resistantbees.es<\/h2>\n<div class=\"success-box\">\n<h3>\ud83d\udd11 The 10 Commandments of Successful, Treatment-Free Beekeeping<\/h3>\n<p><strong>The years of experience from <a href=\"https:\/\/english.resistantbees.es\/\">resistantbees.es<\/a> show: The mere switch to small cells is only part of a holistic system. These points are crucial for long-term success without chemical or organic treatments:<\/strong><\/p>\n<\/div>\n<p><strong>The truly decisive points for successful treatment-free beekeeping \u2014<\/strong><br \/>\n<strong>Summary:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=120\">No artificial feeding<\/a> (no sugar syrup, no substitute pollen),<\/li>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=169\">locally adapted bee breeds suited to the location<\/a>,<\/li>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=108\">natural cell size as was common more than 100 years ago<\/a> (small cells &lt; 4.9 mm),<\/li>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=114\">natural comb arrangement<\/a> (as in the wild swarm),<\/li>\n<li>unlimited brood nest,<\/li>\n<li>no migration of colonies,<\/li>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=117\">controlled drone brood without installing extra drone combs<\/a> (<a href=\"https:\/\/thedrones.bioapi.es\/\">https:\/\/thedrones.bioapi.es\/<\/a>),<\/li>\n<li>no treatments whatsoever (neither chemical nor organic),<\/li>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=82\">allowing crises<\/a> (weak colonies die out \u2014 natural selection),<\/li>\n<li><a href=\"https:\/\/english.resistantbees.es\/?p=91\">absolutely pure, residue-free wax<\/a> (no chemical residues from previous treatments), etc.<\/li>\n<\/ul>\n<div class=\"success-box\">\n<p>These principles are the foundation on which small cells can unfold their full effect. The scientific studies below confirm these practical experiences.<\/p>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83d\udcdc<\/span> The Historical Cell Size Debate &amp; The Measurement Error<\/h2>\n<div class=\"history-box\">\n<h3>\ud83d\udd0d How did today&#8217;s overly large standard cell come about?<\/h3>\n<ul>\n<li><strong>1842<\/strong> \u2013 First artificial foundation in Germany (Gottlieb Kretschmer).<\/li>\n<li><strong>1891<\/strong> \u2013 Belgium introduces foundations with <strong>920 cells\/dm\u00b2<\/strong> \u2013 this corresponds to about <strong>4.6\u20134.7 mm<\/strong> (for 10 cells).<\/li>\n<li><strong>Professor U. Baudoux<\/strong> experimented from 1893 onwards with <strong>larger cells<\/strong> (up to 750 cells\/dm\u00b2) \u2013 his goal: stronger bees with greater range. He was a follower of the <strong>Lamarckian theory<\/strong> and believed in improvement through enlargement.<\/li>\n<li><strong>The fatal measurement error:<\/strong> Baudoux introduced a <strong>new measurement method<\/strong>. The old measurements (approx. 5 cells\/inch \u2248 800\u2013830 cells\/dm\u00b2 old measure \u2248 4.9\u20135.0 mm) were now measured with the <strong>new method<\/strong> \u2013 which led to an <strong>actual size of approx. 5.4 mm<\/strong>. Manufacturers unknowingly adopted this \u2013 and to this day, <strong>5.4 mm is the standard<\/strong>.<\/li>\n<li><strong>Dee Lusby<\/strong> discovered through old literature that the <strong>original, natural size<\/strong> is about <strong>4.9 mm<\/strong> \u2013 and that bees on oversized cells are under constant stress, which promotes diseases and mite infestation.<\/li>\n<li><strong>The consequence:<\/strong> Today&#8217;s &#8220;standard&#8221; cell is actually a <strong>pseudo-drone cell<\/strong> (5.4 mm), which attracts mites due to its size \u2013 similar to natural drone brood (\u2248 6.35 mm).<\/li>\n<\/ul>\n<p>\ud83d\udccc <strong>Key statement:<\/strong> The switch to <strong>4.9 mm<\/strong> is not a &#8220;new invention&#8221;, but the <strong>return to the natural measure<\/strong> that was common before industrialization.<\/p>\n<div>\ud83d\udd17 <a href=\"https:\/\/resistantbees.es\/?p=3003\" target=\"_blank\" rel=\"noopener\">To the full original article<\/a><\/div>\n<div>.<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div><\/div>\n<div>\n<p><span style=\"text-decoration: underline; font-size: 18pt;\"><strong>scientific papers<\/strong><\/span><\/p>\n<p>.<\/p>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83c\udde7\ud83c\uddf7<\/span> Pioneer Studies from Brazil<\/h2>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Message &amp; Gon\u00e7alves (1995)<\/div>\n<div class=\"authors\">Effect of the size of worker brood cells \u2026 on infestation and reproduction of <em>Varroa jacobsoni<\/em><\/div>\n<div class=\"journal\">Apidologie<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1051\/apido:19950504\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1051\/apido:19950504<\/a><\/div>\n<div class=\"summary\">First experimentally proven: The infestation rate in large cells (15.7\u202f%) was more than double that in small cells (7.3\u202f%). Cornerstone of the entire debate.<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Piccirillo &amp; De Jong (2003)<\/div>\n<div class=\"authors\">The influence of brood comb cell size on the reproductive behavior of <em>Varroa destructor<\/em> in Africanized honey bee colonies<\/div>\n<div class=\"journal\">Genetics and Molecular Research<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"http:\/\/www.geneticsmr.com\/sites\/default\/files\/2_36.pdf\" target=\"_blank\" rel=\"noopener\">PDF direct link<\/a><\/div>\n<div class=\"summary\">Direct comparison of three cell sizes (4.84 \/ 5.16 \/ 5.27\u202fmm): The infestation rate increased linearly with cell size (10.3\u202f% \u2192 19.3\u202f%).<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83c\uddf3\ud83c\uddf4<\/span> Oddie Studies \u2013 The Crucial Difference<\/h2>\n<div><strong>Key statement (correctly classified):<\/strong> Small cells reduce mite reproduction <strong>in susceptible colonies<\/strong>. In already <em>genetically resistant<\/em> colonies (that have lived on 4.9mm small cells for decades), this effect is overridden by dominant genetic resistance \u2013 cell size then no longer plays an additional role.<\/div>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Oddie, Dahle &amp; Neumann (2017)<\/div>\n<div class=\"authors\">Norwegian honey bees surviving <em>Varroa destructor<\/em> mite infestations by means of natural selection<\/div>\n<div class=\"journal\">PeerJ<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.7717\/peerj.3956\" target=\"_blank\" rel=\"noopener\">doi.org\/10.7717\/peerj.3956<\/a><\/div>\n<div class=\"summary\"><strong>Clarification:<\/strong> Mite reproduction approx. 30\u202f% lower \u2013 but <strong>neither VSH nor increased grooming behavior<\/strong> were responsible for this resistance. Other genetic mechanisms (e.g., shortened postcapping period) seem to play a central role.<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Oddie, Dahle &amp; Neumann (2018)<\/div>\n<div class=\"authors\">Reduced Postcapping Period in Honey Bees Surviving <em>Varroa destructor<\/em> by Means of Natural Selection<\/div>\n<div class=\"journal\">Insects<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.3390\/insects9040149\" target=\"_blank\" rel=\"noopener\">doi.org\/10.3390\/insects9040149<\/a><\/div>\n<div class=\"summary\">The surviving colonies have a shorter postcapping period \u2013 a genetic resistance mechanism that disrupts mite reproduction.<\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Oddie, Neumann &amp; Dahle (2019)<\/div>\n<div class=\"authors\">Cell size and <em>Varroa destructor<\/em> mite infestations in susceptible and naturally\u2011surviving honeybee colonies<\/div>\n<div class=\"journal\">Apidologie<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1007\/s13592-018-0610-2\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1007\/s13592-018-0610-2<\/a><\/div>\n<div class=\"summary\"><strong>The key study:<\/strong> In <em>susceptible<\/em> colonies, switching to 4.9\u202fmm led to significantly less mite reproduction. In the already resistant colonies on 4.9mm (Terje), cell size had <em>no<\/em> additional effect \u2013 because genetic resistance overrides the cell size effect.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\u274c<\/span> Studies That Do <em>Not<\/em> Demonstrate General Varroa Efficacy<\/h2>\n<p>These works found no effect of small cells on the <em>Varroa<\/em> population under their experimental conditions. Often, <strong>inaccurate cell sizes<\/strong> or European bee races without additional resistance genetics were used.<\/p>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Ellis, Hayes &amp; Ellis (2009)<\/div>\n<div class=\"authors\">The efficacy of small cell foundation as a varroa mite control<\/div>\n<div class=\"journal\">Exp Appl Acarol<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1007\/s10493-009-9278-6\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1007\/s10493-009-9278-6<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Berry, Owens &amp; Delaplane (2010)<\/div>\n<div class=\"authors\">Small\u2011cell comb foundation does not impede <em>Varroa<\/em> mite population growth \u2026<\/div>\n<div class=\"journal\">Apidologie<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1051\/apido\/2009049\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1051\/apido\/2009049<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Coffey et al. (2010)<\/div>\n<div class=\"authors\">Brood\u2011cell size has no influence on the population dynamics of <em>Varroa destructor<\/em> \u2026<\/div>\n<div class=\"journal\">Apidologie<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1051\/apido\/2009063\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1051\/apido\/2009063<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Seeley &amp; Griffin (2011)<\/div>\n<div class=\"authors\">Small\u2011cell comb does not control <em>Varroa<\/em> mites in colonies of honeybees of European origin<\/div>\n<div class=\"journal\">Apidologie<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1007\/s13592-011-0054-4\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1007\/s13592-011-0054-4<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Lerch &amp; Dietemann (2024)<\/div>\n<div class=\"authors\">Brutzellengr\u00f6sse: Einfluss auf Entwicklung von Bienen und Varroamilben<\/div>\n<div class=\"journal\">Schweizerische Bienen\u2011Zeitung \/ Agroscope<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/ira.agroscope.ch\" target=\"_blank\" rel=\"noopener\">ira.agroscope.ch<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\u2705<\/span> Studies with Positive Effects on Health, Hygiene, and Lifespan<\/h2>\n<p>These works (predominantly from the Polish group around Dziechciarz\/Olszewski) show that small cells improve enzyme activity, hygienic behavior, and the lifespan of bees \u2013 <strong>independently<\/strong> of <em>Varroa<\/em> control.<\/p>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2022)<\/div>\n<div class=\"authors\">Dead Brood \u2026 Removed More Effectively from Small\u2011Cell Combs<\/div>\n<div class=\"journal\">Animals<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.3390\/ani12040418\" target=\"_blank\" rel=\"noopener\">doi.org\/10.3390\/ani12040418<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2022)<\/div>\n<div class=\"authors\">Effect of Comb Cell Width on the Activity of the Proteolytic System \u2026<\/div>\n<div class=\"journal\">Animals<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.3390\/ani12080978\" target=\"_blank\" rel=\"noopener\">doi.org\/10.3390\/ani12080978<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2022)<\/div>\n<div class=\"authors\">Effect of rearing in small\u2011cell combs on activities of catalase and superoxide dismutase \u2026<\/div>\n<div class=\"journal\">Antioxidants<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.3390\/antiox11101934\" target=\"_blank\" rel=\"noopener\">doi.org\/10.3390\/antiox11101934<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2023)<\/div>\n<div class=\"authors\">Workers \u2026 Show Higher Activity of the Proteolytic System in Hemolymph \u2026<\/div>\n<div class=\"journal\">Animals<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.3390\/ani13060978\" target=\"_blank\" rel=\"noopener\">doi.org\/10.3390\/ani13060978<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2024)<\/div>\n<div class=\"authors\">Small\u2011Cell Combs Offer as Favorable Conditions of Rearing Worker Bees as Standard\u2011Cell Combs in Spring<\/div>\n<div class=\"journal\">Applied Sciences<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.3390\/app14114566\" target=\"_blank\" rel=\"noopener\">doi.org\/10.3390\/app14114566<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2025)<\/div>\n<div class=\"authors\">Behavioural overdominance \u2026 kept simultaneously on standard\u2011cell and small\u2011cell combs<\/div>\n<div class=\"journal\">Animal<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1016\/j.animal.2025.101682\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1016\/j.animal.2025.101682<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Dziechciarz et al. (2025)<\/div>\n<div class=\"authors\">Workers \u2026 higher activity of the proteolytic system on the surface of the cuticle \u2026<\/div>\n<div class=\"journal\">Pol J Vet Sci<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.24425\/pjvs.2025.154019\" target=\"_blank\" rel=\"noopener\">doi.org\/10.24425\/pjvs.2025.154019<\/a><\/div>\n<\/div>\n<div class=\"card\">\n<div class=\"title\">Olszewski et al. (2014)<\/div>\n<div class=\"authors\">Life span of worker honeybees reared in colonies kept on small\u2011cell combs<\/div>\n<div class=\"journal\">J. Apic. Sci.<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/resistantbees.es\/?p=3641\" target=\"_blank\" rel=\"noopener\">Summary<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83d\udcd8<\/span> Dissertation with Differentiated Statement<\/h2>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Singer, H. (2017)<\/div>\n<div class=\"authors\">Breeding Carnolian bees <em>Apis mellifera carnica<\/em> on different comb cell sizes and analysing the effect on <em>Varroa<\/em> infestation rates<\/div>\n<div class=\"journal\">Dissertation, BOKU Vienna<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/resistantbees.es\/?p=3336\" target=\"_blank\" rel=\"noopener\">Summary<\/a><\/div>\n<div class=\"summary\"><strong>Key statement:<\/strong> Small cells work <strong>only in combination with VSH genetics<\/strong> (Varroa Sensitive Hygiene). Alone, they do not provide sufficient protection.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83c\udf21\ufe0f<\/span> Hypothesis (not a direct small-cell study)<\/h2>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Tautz et al. (2003)<\/div>\n<div class=\"authors\">Behavioral performance in adult honey bees is influenced by the temperature experienced during their pupal development<\/div>\n<div class=\"journal\">PNAS<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/doi.org\/10.1073\/pnas.1230247100\" target=\"_blank\" rel=\"noopener\">doi.org\/10.1073\/pnas.1230247100<\/a> \u00b7 <a href=\"https:\/\/resistantbees.es\/?p=3392\" target=\"_blank\" rel=\"noopener\">Context<\/a><\/div>\n<div class=\"summary\">Not a direct small-cell study, but it provides a plausible explanation: A more compact brood nest (as with small cells) leads to higher brood temperatures, which improves the learning ability and dance performance of the bees.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83d\udccb<\/span> Practitioner Report \u2013 650 Colonies Under Real Conditions<\/h2>\n<div class=\"card-grid\">\n<div class=\"card\">\n<div class=\"title\">Johnsen, H.-O. (2005)<\/div>\n<div class=\"authors\">Survival of a Commercial Beekeeper in Norway<\/div>\n<div class=\"journal\">Bee Culture<\/div>\n<div class=\"link\">\ud83d\udd17 <a href=\"https:\/\/resistantbees.es\/?p=3305\" target=\"_blank\" rel=\"noopener\">Summary<\/a> \u00b7 <a href=\"http:\/\/www.beesource.com\/point-of-view\/hans-otto-johnsen\/survival-of-a-commercial-beekeeper-in-norway\/\" target=\"_blank\" rel=\"noopener\">Original<\/a><\/div>\n<div class=\"summary\">Three-year test with 650 colonies: The small-cell group had <strong>24\u202f% more honey yield<\/strong> (44.5\u202fkg vs. 36\u202fkg), lower <em>Varroa<\/em> population, and more uniform yields. <em>Note: Experience report, not a peer-reviewed study.<\/em><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h2><span class=\"emoji\">\ud83d\udee0\ufe0f<\/span> The Big Problem: Incorrect Foundation Measurements<\/h2>\n<p>Many failed small-cell attempts in Europe are based on <strong>inaccurate 4.9 mm foundations<\/strong>. Even deviations of one-tenth of a millimeter decide success. An extensive measurement of various suppliers shows:<\/p>\n<div class=\"table-wrap\">\n<table>\n<thead>\n<tr>\n<th>Supplier<\/th>\n<th>Measured dimensions (mm)<\/th>\n<th>Evaluation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Muhr (Germany)<\/td>\n<td>5.0 \u00d7 5.0 \u00d7 5.3<\/td>\n<td>\u274c Much too large<\/td>\n<\/tr>\n<tr>\n<td>Miel Valle (Spain)<\/td>\n<td>4.9 \u00d7 4.9 \u00d7 5.3<\/td>\n<td>\u26a0\ufe0f Too large in one direction<\/td>\n<\/tr>\n<tr>\n<td>Thorne (England)<\/td>\n<td>4.97 \u00d7 4.85 \u00d7 4.89<\/td>\n<td>\u26a0\ufe0f Uneven<\/td>\n<\/tr>\n<tr>\n<td>Alfranseder (cast, 5.1)<\/td>\n<td>5.13 \u00d7 4.99 \u00d7 4.94<\/td>\n<td>\u26a0\ufe0f Inaccurate<\/td>\n<\/tr>\n<tr>\n<td>Alfranseder (cast, 4.9)<\/td>\n<td>4.83 \u00d7 4.79 \u00d7 4.81<\/td>\n<td>\u274c <strong>Much too small<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Helfenberger (Switzerland, 4.9)<\/td>\n<td>5.44 \u00d7 5.33 \u00d7 5.34<\/td>\n<td>\u274c <strong>Much too large<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Helfenberger (Switzerland, 4.7)<\/td>\n<td>4.93 \u00d7 4.75 \u00d7 4.73<\/td>\n<td>\u26a0\ufe0f Inaccurate<\/td>\n<\/tr>\n<tr>\n<td>Tek Diver (Saxony, 4.9)<\/td>\n<td>4.86 \u00d7 4.85 \u00d7 4.85<\/td>\n<td>\u26a0\ufe0f Too small for beginners<\/td>\n<\/tr>\n<tr>\n<td>Tek Diver (Saxony, 5.1)<\/td>\n<td>5.08 \u00d7 5.10 \u00d7 5.12<\/td>\n<td>\u2705 Acceptable<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>The source (resistantbees.es) recommends as the <strong>only reliable source<\/strong> in Europe a company in Sweden \u2013 because only there is the exact, uniform cell geometry of 4.9 mm maintained.<\/p>\n<div>\ud83d\udd17 <a href=\"https:\/\/resistantbees.es\/?p=2913\" target=\"_blank\" rel=\"noopener\">Detailed measurement results (Link 1)<\/a> \u00b7 <a href=\"https:\/\/resistantbees.es\/?p=3558\" target=\"_blank\" rel=\"noopener\">Overview of all suppliers (Link 2)<\/a><\/div>\n<\/div>\n<div class=\"footnote\">\n<p><strong>\ud83d\udccc Summary of the Most Important Findings:<\/strong><\/p>\n<ul>\n<li><strong>Historical background:<\/strong> Today&#8217;s standard cell (5.4 mm) is the result of a <strong>measurement error<\/strong> and a trend towards &#8220;bigger is better&#8221; \u2013 the natural size is <strong>4.9 mm<\/strong>.<\/li>\n<li><strong>Small cells can<\/strong> significantly reduce <em>Varroa<\/em> reproduction in susceptible colonies (Oddie 2019, Brazil studies).<\/li>\n<li><strong>They demonstrably improve<\/strong> the lifespan, hygienic behavior, and enzyme activity of bees (Polish studies).<\/li>\n<li><strong>In already genetically resistant colonies<\/strong>, the cell size effect is overridden by dominant genetic resistance \u2013 for these special colonies, cell size is no longer the decisive factor. <strong>For the vast majority of conventional colonies, cell size remains an effective lever.<\/strong><\/li>\n<li><strong>The biggest practical stumbling block<\/strong> are incorrectly measured &#8220;4.9 mm&#8221; foundations \u2013 many suppliers actually deliver 5.3 mm or only 4.8 mm.<\/li>\n<li><strong>The combination<\/strong> of exact cell size (4.9 mm, uniform), VSH genetics, and residue-free wax seems to be the most promising path.<\/li>\n<li><strong>The true art lies in the holistic system:<\/strong> The experiences of resistantbees.es show that small cells only unfold their full power in an environment of site-adapted bees, natural comb building, renunciation of artificial feed, pure wax, controlled drone brood, and allowing natural selection. This is the path to truly treatment-free beekeeping.<\/li>\n<\/ul>\n<p>This page was created based on research and discussions with an experienced beekeeper and contains all relevant sources with direct links. Status: June 2026.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udc1d Small-Cell Beekeeping Scientific studies, practical experience, and the crucial role of correct cell size \u2013 a complete overview This page summarizes all relevant scientific studies, practitioner reports, and practical&hellip;<\/p>\n","protected":false},"author":1,"featured_media":1511,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1,15,17,16,18,19,22,25,27,33],"tags":[45,46,50,55,56,71,74,77,82,37,40,43],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.10 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Small-cell beekeeping \u2013 the basics - ResistantBees_english<\/title>\n<meta name=\"description\" content=\"Small-cell beekeeping \u2013 the basics\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/english.resistantbees.es\/?p=1548\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Small-cell beekeeping \u2013 the basics - 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