{"id":3249,"date":"2026-08-03T20:07:45","date_gmt":"2026-08-03T20:07:45","guid":{"rendered":"https:\/\/www.rattech.com\/rotte-spor\/"},"modified":"2026-08-03T20:07:47","modified_gmt":"2026-08-03T20:07:47","slug":"rotte-spor","status":"publish","type":"post","link":"https:\/\/www.rattech.com\/en\/rotte-spor\/","title":{"rendered":"Rotte spor: s\u00e5dan kender du de 8 sikre tegn"},"content":{"rendered":"<style id=\"rt-blog-enrich\">:root{ --rt-navy:#1D3557;--rt-navy-d:#143852;--rt-navy-ink:#0f2740; --rt-ink:#1e293b;--rt-muted:#5b6b80; --rt-orange:#F28023;--rt-orange-d:#d76d13;--rt-peach:#FFBC7D; --rt-bg:#F4F6FA;--rt-bg2:#eaeef6;--rt-paper:#FBFCFE;--rt-line:#DDE4EE;--rt-line-d:#C7D1E0; --rt-font:'Montserrat',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; --rt-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; --rt-sh-sm:0 2px 10px rgba(15,39,64,.06); --rt-sh:0 12px 30px rgba(15,39,64,.10); --rt-sh-lg:0 26px 60px rgba(15,39,64,.16); --rt-dots:radial-gradient(rgba(29,53,87,.055) 1.1px,transparent 1.1px); 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margin:0 0 1em;overflow:hidden;box-shadow:var(--rt-sh-sm);} .rt-main tbody td{display:flex;justify-content:space-between;gap:1.1em;align-items:baseline; text-align:right;padding:.65em .95em;border-top:1px solid var(--rt-bg2);} .rt-main tbody td::before{content:attr(data-label);font-family:var(--rt-font);font-weight:700; color:var(--rt-navy);text-align:left;flex:0 0 42%;font-size:.86rem;} .rt-main tbody td:first-child{display:block;text-align:left; background:linear-gradient(180deg,var(--rt-navy),var(--rt-navy-d));color:#fff;font-family:var(--rt-font); font-weight:700;border-top:none;padding:.75em .95em;} .rt-main tbody td:first-child::before{content:none;} }\n<\/style>\n<div class=\"rt-article\">\n<div class=\"rt-main\">\n<p>Spor efter rotter er typisk sorte ekskrementer p\u00e5 cirka 17 mm, en skarp kloaklignende lugt, fedtede smudsstriber langs v\u00e6gge og r\u00f8r, gnavem\u00e6rker med tandspor p\u00e5 cirka 3 mm samt kradselyde om natten. If\u00f8lge Milj\u00f8styrelsen er ekskrementernes st\u00f8rrelse det mest sikre kendetegn. Finder du flere spor samtidig, er der n\u00e6sten altid en aktiv bestand.<\/p>\n<h2>Det vigtigste p\u00e5 20 sekunder<\/h2>\n<ul>\n<li>Rotteekskrementer er if\u00f8lge Milj\u00f8styrelsen cirka 17 mm lange og 6 mm tykke &#8211; museekskrementer er kun 3-5 mm.<\/li>\n<li>Lugten beskriver Bolius som skarp og ubehagelig, &#8220;som en blanding af kloak og grisestald&#8221;. Den kommer fra urin og rede, ikke n\u00f8dvendigvis fra et kadaver.<\/li>\n<li>Fedtede striber langs v\u00e6gge og r\u00f8r viser rottens faste rute &#8211; det er d\u00e9r, en f\u00e6lde skal st\u00e5.<\/li>\n<li>Du har pligt til at anmelde rotter til din kommune, ogs\u00e5 hvis du kun har fundet spor.<\/li>\n<li>Der blev registreret 197.639 anmeldelser om rotter ved beboelsesejendomme i 2025 mod 141.854 i 2023 &#8211; en stigning p\u00e5 40 procent. Tallene stammer fra Milj\u00f8styrelsen og blev offentliggjort i juli 2026.<\/li>\n<\/ul>\n<h2>Hvilke spor efterlader rotter?<\/h2>\n<p>Rotter efterlader otte typer spor: ekskrementer, lugt, fedtede smudsstriber, gnavem\u00e6rker, runde huller, natlige kradselyde, l\u00f8bespor med halesl\u00e6b samt jordgange og sunkne fliser. Milj\u00f8styrelsen fremh\u00e6ver ekskrementer og tandspor som de mest p\u00e5lidelige, fordi m\u00e5lene adskiller rotte fra mus. Tabellen nedenfor samler kendetegn, typiske fundsteder og hvad hvert spor fort\u00e6ller dig.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Spor<\/th>\n<th scope=\"col\">Kendetegn<\/th>\n<th scope=\"col\">Hvor du typisk finder det<\/th>\n<th scope=\"col\">Hvad det fort\u00e6ller dig<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Ekskrementer<\/th>\n<td>Sorte eller m\u00f8rkebrune, cylindriske, ca. 17 mm lange og 6 mm tykke, buttede i den ene ende<\/td>\n<td>Langs paneler, bag hvidevarer, i k\u00e6lder, p\u00e5 loft, ved foderspild<\/td>\n<td>Det sikreste enkeltbevis. Mange friske lorte betyder en aktiv rede t\u00e6t p\u00e5<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Lugt<\/th>\n<td>Skarp, ammoniaklignende urinlugt, af Bolius beskrevet som kloak blandet med grisestald<\/td>\n<td>Lukkede rum: k\u00e6lder, skunk, krybek\u00e6lder, bag skabe<\/td>\n<td>Lugt uden synlige dyr peger p\u00e5 en rede inde i konstruktionen<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Fedtede smudsstriber<\/th>\n<td>M\u00f8rke, fedtede striber fra pels, urin og kirtelsekret langs v\u00e6gge, paneler og r\u00f8r<\/td>\n<td>Faste ruter i k\u00e6lder, garage, teknikrum, langs kabelbakker<\/td>\n<td>Viser rottens l\u00f8berute &#8211; det bedste sted at placere en f\u00e6lde<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Gnavem\u00e6rker<\/th>\n<td>To parallelle tandspor, ca. 3 mm brede. Mus efterlader spor under 2 mm<\/td>\n<td>Tr\u00e6kasser, kabler, isolering, plastr\u00f8r, d\u00f8rkarme<\/td>\n<td>Skiller rotte fra mus og peger p\u00e5, hvor dyrene arbejder sig ind<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Runde huller<\/th>\n<td>Cirkelrunde gnavehuller. En rotte kan passere et hul p\u00e5 st\u00f8rrelse med en 2-krone<\/td>\n<td>Sokkel, ventilationsriste, omkring r\u00f8rgennemf\u00f8ringer<\/td>\n<td>Indgangen skal lukkes, ellers erstattes bestanden bare af nye dyr<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Lyde<\/th>\n<td>Kradsen, skrabelyde og piben, n\u00e6sten altid efter m\u00f8rkets frembrud<\/td>\n<td>Etageadskillelser, hulmur, nedh\u00e6ngt loft, skunkrum<\/td>\n<td>Rotter er nataktive &#8211; lyd om natten er et st\u00e6rkt signal<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">L\u00f8bespor og halesl\u00e6b<\/th>\n<td>Nedtrampede stier i h\u00f8jt gr\u00e6s, fodaftryk og en sl\u00e6bestribe fra halen i st\u00f8v<\/td>\n<td>Have, langs hegn og fundament, st\u00f8vede k\u00e6ldergulve<\/td>\n<td>Kortl\u00e6gger ruten mellem rede og f\u00f8dekilde<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Jordgange og sunkne fliser<\/th>\n<td>Opgravet jord ved br\u00f8nde, huller i skr\u00e5ninger, fliser eller asfalt der synker<\/td>\n<td>Ved kloakd\u00e6ksler, terrasser, kompost, under skure<\/td>\n<td>Peger ofte p\u00e5 en defekt kloak, som er den hyppigste vej ind i boligen<\/td>\n<\/tr>\n<\/tbody>\n<\/table><figcaption class=\"wp-element-caption\">Otte spor efter rotter &#8211; kendetegn, typiske fundsteder og hvad sporet betyder. M\u00e5l fra Milj\u00f8styrelsen.<\/figcaption><\/figure>\n<h2>Hvordan ser ekskrementer fra rotter ud?<\/h2>\n<p>Ekskrementer fra rotter er sorte eller m\u00f8rkebrune, cylindriske og if\u00f8lge Milj\u00f8styrelsen cirka 17 millimeter lange og 6 millimeter tykke, ofte buttede i den ene ende og let tilspidsede i den anden. Museekskrementer er kun 3-5 millimeter og tynde som spidsen af en kuglepen. St\u00f8rrelsen alene afg\u00f8r som regel sp\u00f8rgsm\u00e5let.<\/p>\n<p>Alderen kan du vurdere p\u00e5 overfladen. Frisk aff\u00f8ring er bl\u00f8d, blank og m\u00f8rk. \u00c6ldre aff\u00f8ring bliver mat, gr\u00e5 og smuldrer mellem fingrene ved ber\u00f8ring. Ligger der en blanding af begge dele p\u00e5 samme sted, har rotterne brugt stedet over l\u00e6ngere tid &#8211; og s\u00e5 er der en rede i n\u00e6rheden.<\/p>\n<p>Placeringen betyder ogs\u00e5 noget. En enkelt lort kan v\u00e6re sl\u00e6bt ind med br\u00e6nde eller foder. Ligger der derimod en samling lorte koncentreret p\u00e5 \u00e9t sted, er det en fast latrinplads langs en aktiv l\u00f8berute. Milj\u00f8styrelsen fremh\u00e6ver netop dette som en forskel p\u00e5 rotter og mus: rotter l\u00e6gger deres efterladenskaber samlet og skjult, mens mus spreder dem overalt, hvor de f\u00e6rdes.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th scope=\"col\">Kendetegn<\/th>\n<th scope=\"col\">Rotte<\/th>\n<th scope=\"col\">Husmus<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Ekskrementernes l\u00e6ngde<\/th>\n<td>ca. 17 mm<\/td>\n<td>3-5 mm<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Ekskrementernes tykkelse<\/th>\n<td>ca. 6 mm<\/td>\n<td>som spidsen af en kuglepen<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Form<\/th>\n<td>Cylindrisk, buttet i den ene ende<\/td>\n<td>Sm\u00e5 og spidse<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Placering<\/th>\n<td>Samlet og skjult p\u00e5 faste latrinpladser<\/td>\n<td>Spredt overalt hvor musen f\u00e6rdes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Tandspor i gnav<\/th>\n<td>ca. 3 mm brede<\/td>\n<td>under 2 mm brede<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">V\u00e6gt p\u00e5 voksent dyr<\/th>\n<td>Brun rotte ca. 200-400 g<\/td>\n<td>12-24 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table><figcaption class=\"wp-element-caption\">Rotte eller mus? M\u00e5l og kendetegn if\u00f8lge Milj\u00f8styrelsen<\/figcaption><\/figure>\n<p>Er du stadig i tvivl, hj\u00e6lper vores gennemgang af <a href=\"https:\/\/www.rattech.com\/forskel-paa-rotter-og-mus\/\">forskellen p\u00e5 rotter og mus<\/a> med at afg\u00f8re det p\u00e5 flere parametre end aff\u00f8ringen.<\/p>\n<h2>Hvordan lugter rotter?<\/h2>\n<p>Rotter lugter skarpt og ammoniakagtigt af urin. Bolius beskriver rottelugten som ubehagelig, &#8220;som en blanding af kloak og grisestald&#8221;, og noterer at lugten er kraftigst t\u00e6t p\u00e5 reden. Lugten stammer fra urin, kirtelsekret og redemateriale og m\u00e6rkes tydeligst i lukkede rum uden luftskifte.<\/p>\n<p>Det er v\u00e6rd at skelne mellem to lugte, fordi de betyder noget forskelligt. Den ammoniakagtige, lidt s\u00f8dlige urinlugt h\u00e6nger sammen med levende dyr og en aktiv rede. En tung, kvalmende og s\u00f8dlig r\u00e5dlugt er derimod et kadaver &#8211; typisk en rotte, der er d\u00f8d inde i en etageadskillelse, en hulmur eller en skunk.<\/p>\n<p>Netop kadaverlugten er en klassisk f\u00f8lgevirkning af giftbek\u00e6mpelse: rotten spiser gift ude i bygningen og d\u00f8r dage senere et sted, du ikke kan komme til. En <a href=\"https:\/\/www.rattech.com\/product\/grundpakke\/\">digital rottef\u00e6lde<\/a> afliver mekanisk p\u00e5 stedet og sender besked med det samme, s\u00e5 dyret fjernes af os inden det n\u00e5r at lugte. Lugten er st\u00e6rkest i k\u00e6lder, skunk, krybek\u00e6lder og bag faste skabe, og den forsvinder f\u00f8rst, n\u00e5r rede og kadaver er v\u00e6k &#8211; ikke ved at lufte ud.<\/p>\n<h2>Hvor i huset og haven finder du sporene?<\/h2>\n<p>Sporene sidder d\u00e9r, hvor rotten f\u00e6rdes skjult: langs fundament, sokler og hegn udenfor, og indenfor i k\u00e6lder, krybek\u00e6lder, skunkrum, teknikrum og bag hvidevarer. Fordi rotter oftest kommer op gennem defekte kloakledninger, starter en fornuftig s\u00f8gning ved gulvafl\u00f8b, br\u00f8nde og kloakd\u00e6ksler og f\u00f8lger r\u00f8rene indad.<\/p>\n<p>K\u00e6lderen er det hyppigste fundsted i \u00e6ldre danske huse, fordi kloakken ofte er f\u00f8rt ind her og lyset er svagt. Vores erfaring fra ejendomme p\u00e5 Sj\u00e6lland er, at fedtede striber langs k\u00e6lderr\u00f8r og lorte bag fyr eller varmtvandsbeholder er de to fund, folk selv g\u00f8r f\u00f8rst. Har du mistanke der, kan du bruge tjeklisten i vores artikel om <a href=\"https:\/\/www.rattech.com\/rotter-i-kaelderen\/\">rotter i k\u00e6lderen<\/a>. Er sporene i stedet gnavet isolering og kabler under motorhjelmen, handler det om <a href=\"https:\/\/www.rattech.com\/rotter-i-motorrum\/\">rotter i motorrum<\/a>.<\/p>\n<p>Udenfor peger opgravet jord ved en br\u00f8nd, sunkne fliser eller pludselige huller i gr\u00e6spl\u00e6nen p\u00e5 gange under jorden. Her forveksles rotter ofte med <a href=\"https:\/\/www.rattech.com\/mosegris-eller-rotte\/\">mosegris<\/a>, der laver jordskud uden ekskrementer og fedtstriber.<\/p>\n<h2>Hvad skal du g\u00f8re, n\u00e5r du har fundet spor efter rotter?<\/h2>\n<p>Anmeld rotterne til din kommune med det samme. Anmeldelsespligten g\u00e6lder, ogs\u00e5 n\u00e5r du kun har fundet spor og ikke set et dyr, og kommunen har efter Milj\u00f8styrelsens bekendtg\u00f8relse om forebyggelse og bek\u00e6mpelse af rotter ansvaret for at udf\u00f8re effektiv bek\u00e6mpelse. De fleste kommuner tager imod anmeldelser digitalt via borger.dk eller egen selvbetjening.<\/p>\n<p>Derefter er r\u00e6kkef\u00f8lgen enkel:<\/p>\n<ol>\n<li>Fotograf\u00e9r sporene og not\u00e9r, hvor de sad. Det g\u00f8r en efterf\u00f8lgende vurdering langt hurtigere.<\/li>\n<li>Fjern f\u00f8dekilder: foderspild, \u00e5bne affaldss\u00e6kke, faldfrugt, fuglefoder og hundefoder i ut\u00e6tte s\u00e6kke.<\/li>\n<li>Ryd op omkring fundstedet, s\u00e5 du kan se, om der kommer nye friske lorte inden for et par d\u00f8gn. Det er den billigste aktivitetstest, der findes.<\/li>\n<li>F\u00e5 unders\u00f8gt kloak og r\u00f8rgennemf\u00f8ringer. Er defekten der, kommer der nye rotter, uanset hvor mange der fanges.<\/li>\n<li>S\u00e6t bek\u00e6mpelse op p\u00e5 de ruter, sporene har afsl\u00f8ret &#8211; ikke tilf\u00e6ldige steder.<\/li>\n<\/ol>\n<p>Reng\u00f8r med handsker, og fugt ekskrementer og redemateriale med reng\u00f8ringsmiddel f\u00f8r opsamling i stedet for at feje eller st\u00f8vsuge t\u00f8rt. Rotter kan b\u00e6re leptospirose, og Statens Serum Institut registrerede 51 laboratoriebekr\u00e6ftede tilf\u00e6lde i Danmark i perioden 2019-2022. Blandt de 47 tilf\u00e6lde, der blev anmeldt til instituttet, f\u00f8rte 14 til indl\u00e6ggelse og ingen til d\u00f8dsfald. Risikoen er alts\u00e5 lille, men reel, og smitten sker via urin og urinforurenede omgivelser.<\/p>\n<h2>Hvorfor er gift sj\u00e6ldent det rigtige svar p\u00e5 sporene?<\/h2>\n<p>Gift l\u00f8ser ikke det, sporene fort\u00e6ller. Rotten \u00e6der giften, g\u00e5r tilbage i konstruktionen og d\u00f8r typisk dage senere et sted, du ikke kan n\u00e5 &#8211; hvilket giver kadaverlugt i uger. Dertil kommer, at resistens over for antikoagulanter er p\u00e5vist i danske rottebestande: Skadedyrlaboratoriet ved Aarhus Universitet fandt i sin landsd\u00e6kkende monitering resistens i omkring halvdelen af de unders\u00f8gte kommuner. Gift rammer desuden rovfugle, katte og hunde gennem sekund\u00e6r forgiftning.<\/p>\n<p>Milj\u00f8styrelsen regulerer netop derfor brugen af rottegift stramt gennem godkendelsesordningen for bek\u00e6mpelsesmidler. RatTech bruger ikke gift. I stedet aflives rotten mekanisk p\u00e5 et splitsekund i en <a href=\"https:\/\/www.rattech.com\/product\/grundpakke\/\">digital rottef\u00e6lde<\/a>, der genoplader sig selv og melder fangsten via router, s\u00e5 du hverken h\u00e5ndterer kadaver eller kemi. Vil du pr\u00f8ve at holde dem v\u00e6k uden nogen af delene, gennemg\u00e5r vi effekten af de g\u00e6ngse metoder i artiklen om <a href=\"https:\/\/www.rattech.com\/hvordan-skraemmer-man-rotter-vaek\/\">at skr\u00e6mme rotter v\u00e6k<\/a>.<\/p>\n<h2>Hvad koster det at f\u00e5 stoppet rotterne?<\/h2>\n<p>Den kommunale bek\u00e6mpelse er d\u00e6kket af det gebyr, kommunen opkr\u00e6ver p\u00e5 faste ejendomme, s\u00e5 en anmeldelse koster dig ikke ekstra. Vil du have permanent overv\u00e5gning oveni, koster RatTechs grundpakke 19.995 kr. ekskl. moms og indeholder \u00e9n router og 10 digitale f\u00e6lder inklusive ops\u00e6tning. Overv\u00e5gningen l\u00f8ber som abonnement fra 995 kr. ekskl. moms pr. m\u00e5ned.<\/p>\n<p>Prisen drives af tre ting: hvor mange f\u00e6lder ejendommen kr\u00e6ver, om der skal flere routere til at d\u00e6kke afstanden, og om der er brug for en <a href=\"https:\/\/www.rattech.com\/product\/gennemgang-af-ejendom\/\">gennemgang af ejendommen<\/a> til at finde selve indgangen &#8211; den koster 2.995 kr. ekskl. moms. <a href=\"https:\/\/www.rattech.com\/product\/ekstra-faelder\/\">Ekstra f\u00e6lder<\/a> koster fra 995 kr. ekskl. moms. For boligforeninger og virksomheder skaleres antallet efter bygningsmasse &#8211; se <a href=\"https:\/\/www.rattech.com\/rottebekaempelse-erhverv-virksomheder\/\">rottebek\u00e6mpelse for erhverv<\/a>. Vi d\u00e6kker Sj\u00e6lland og Stork\u00f8benhavn, blandt andet <a href=\"https:\/\/www.rattech.com\/rottebekaempelse-i-roskilde\/\">rottebek\u00e6mpelse i Roskilde<\/a>.<\/p>\n<div class=\"rt-cta\">\n<h3>Slip af med rotterne \u2014 helt uden gift<\/h3>\n<p>RatTechs digitale f\u00e6lder afliver rotterne mekanisk og overv\u00e5ger d\u00f8gnet rundt. Vi st\u00e5r for montering, service og t\u00f8mning, s\u00e5 du aldrig skal h\u00e5ndtere hverken gift eller kadaver.<\/p>\n<p>  <a class=\"rt-cta-btn\" href=\"\/product\/grundpakke\/\">Se grundpakken<\/a>\n<\/div>\n<h2>Ofte stillede sp\u00f8rgsm\u00e5l<\/h2>\n<div class=\"rt-faq\">\n<details>\n<summary>Skal jeg anmelde rotter, hvis jeg kun har fundet spor?<\/summary>\n<div class=\"rt-faq-a\">Ja. Anmeldelsespligten g\u00e6lder ogs\u00e5, n\u00e5r du kun har fundet tegn p\u00e5 rotter &#8211; for eksempel ekskrementer, gnavem\u00e6rker eller huller &#8211; og ikke har set et dyr. Anmeld til din kommune via borger.dk eller kommunens egen selvbetjening. Kommunen har efter Milj\u00f8styrelsens regler ansvaret for at udf\u00f8re effektiv rottebek\u00e6mpelse.<\/div>\n<\/details>\n<details>\n<summary>Hvor gammel er rottelorten, jeg har fundet?<\/summary>\n<div class=\"rt-faq-a\">Frisk aff\u00f8ring er bl\u00f8d, blank og m\u00f8rk. Efter nogle dage bliver den mat, gr\u00e5lig og smuldrer, n\u00e5r du r\u00f8rer ved den. Vil du teste, om der stadig er aktivitet, s\u00e5 fjern alle lorte p\u00e5 stedet og se efter nye inden for to til tre d\u00f8gn. Kommer der nye, er bestanden aktiv.<\/div>\n<\/details>\n<details>\n<summary>Betyder lugt af rotter, at der ligger en d\u00f8d rotte i v\u00e6ggen?<\/summary>\n<div class=\"rt-faq-a\">Ikke n\u00f8dvendigvis. En skarp, ammoniakagtig urinlugt kommer fra levende rotter og en aktiv rede. En tung, s\u00f8dlig r\u00e5dlugt er derimod et kadaver, ofte inde i en etageadskillelse eller hulmur. Kadaverlugt er en typisk f\u00f8lge af giftbek\u00e6mpelse, hvor rotten d\u00f8r et utilg\u00e6ngeligt sted flere dage efter.<\/div>\n<\/details>\n<details>\n<summary>Hvor lille et hul kan en rotte komme igennem?<\/summary>\n<div class=\"rt-faq-a\">If\u00f8lge Milj\u00f8styrelsen kan en rotte passere et hul p\u00e5 st\u00f8rrelse med en 2-krone. Derfor er runde gnavehuller ved sokkel, ventilationsriste og r\u00f8rgennemf\u00f8ringer v\u00e6rd at tjekke, selv n\u00e5r de virker for sm\u00e5. Tandsporene omkring hullet er cirka 3 mm brede hos rotter mod under 2 mm hos mus.<\/div>\n<\/details>\n<details>\n<summary>Kan jeg selv fjerne rotteekskrementer?<\/summary>\n<div class=\"rt-faq-a\">Ja, men brug handsker og undg\u00e5 at feje eller st\u00f8vsuge t\u00f8rt. Fugt ekskrementer og redemateriale med reng\u00f8ringsmiddel f\u00f8rst, saml op og bortskaf i lukket pose. Rotter kan b\u00e6re leptospirose, som if\u00f8lge Statens Serum Institut gav 51 laboratoriebekr\u00e6ftede tilf\u00e6lde i Danmark i 2019-2022. Vask h\u00e6nder grundigt bagefter.<\/div>\n<\/details>\n<\/div>\n<h2>Kilder<\/h2>\n<ul>\n<li><a href=\"https:\/\/mst.dk\/erhverv\/rent-miljoe-og-sikker-forsyning\/rottebekaempelse\/kend-forskel-paa-mus-og-rotter\" rel=\"nofollow\">Milj\u00f8styrelsen: Kend forskel p\u00e5 mus og rotter<\/a> &#8211; m\u00e5l p\u00e5 ekskrementer, tandspor, v\u00e6gt og hulst\u00f8rrelse.<\/li>\n<li><a href=\"https:\/\/mst.dk\/erhverv\/rent-miljoe-og-sikker-forsyning\/rottebekaempelse\" rel=\"nofollow\">Milj\u00f8styrelsen: Rottebek\u00e6mpelse<\/a> og bekendtg\u00f8relsen om forebyggelse og bek\u00e6mpelse af rotter.<\/li>\n<li><a href=\"https:\/\/nyheder.tv2.dk\/samfund\/2026-07-14-anmeldelser-om-rotter-eksploderer\" rel=\"nofollow\">TV 2: Anmeldelser om rotter eksploderer<\/a> (14. juli 2026) &#8211; 197.639 anmeldelser ved beboelsesejendomme i 2025 mod 141.854 i 2023, tal fra Milj\u00f8styrelsen.<\/li>\n<li><a href=\"https:\/\/www.bolius.dk\/rotter-i-boligen-18058\" rel=\"nofollow\">Videncentret Bolius: Rotter i boligen<\/a> &#8211; beskrivelse af rottelugt og ekskrementer.<\/li>\n<li><a href=\"https:\/\/www.ssi.dk\/sygdomme-beredskab-og-forskning\/sygdomsovervaagning\/l\/leptospirose-i-danmark-2019-2022\" rel=\"nofollow\">Statens Serum Institut: Leptospirose i Danmark 2019-2022<\/a> &#8211; 51 laboratoriebekr\u00e6ftede tilf\u00e6lde, 14 indl\u00e6ggelser blandt de 47 anmeldte.<\/li>\n<li><a href=\"https:\/\/pure.au.dk\/portal\/da\/publications\/resistens-hos-brune-rotter-monitering-af-resistens-hos-den-brune--4\/\" rel=\"nofollow\">Aarhus Universitet, Skadedyrlaboratoriet: Resistens hos brune rotter<\/a> &#8211; monitering af antikoagulant-resistens i Danmark.<\/li>\n<li><a href=\"https:\/\/www.borger.dk\" rel=\"nofollow\">Borger.dk: Anmeld rotter til din kommune<\/a>.<\/li>\n<\/ul>\n<p><script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"headline\":\"Rotte spor: s\u00e5dan kender du de 8 sikre tegn\",\"description\":\"Ekskrementer p\u00e5 17 mm, kloaklugt og fedtede striber langs v\u00e6ggen: se de 8 spor der afsl\u00f8rer rotter - og hvad du g\u00f8r, n\u00e5r du finder dem.\",\"inLanguage\":\"da-DK\",\"datePublished\":\"2026-08-03\",\"dateModified\":\"2026-08-03\",\"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.rattech.com\/rotte-spor\/\"},\"author\":{\"@type\":\"Organization\",\"name\":\"RatTech\",\"url\":\"https:\/\/www.rattech.com\/\"},\"publisher\":{\"@type\":\"Organization\",\"name\":\"RatTech\",\"url\":\"https:\/\/www.rattech.com\/\"},\"about\":[{\"@type\":\"Thing\",\"name\":\"Tegn p\u00e5 rotter\"},{\"@type\":\"Thing\",\"name\":\"Giftfri rottebek\u00e6mpelse\"}],\"citation\":[\"https:\/\/mst.dk\/erhverv\/rent-miljoe-og-sikker-forsyning\/rottebekaempelse\/kend-forskel-paa-mus-og-rotter\",\"https:\/\/nyheder.tv2.dk\/samfund\/2026-07-14-anmeldelser-om-rotter-eksploderer\",\"https:\/\/www.ssi.dk\/sygdomme-beredskab-og-forskning\/sygdomsovervaagning\/l\/leptospirose-i-danmark-2019-2022\",\"https:\/\/pure.au.dk\/portal\/da\/publications\/resistens-hos-brune-rotter-monitering-af-resistens-hos-den-brune--4\/\"]},{\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Forside\",\"item\":\"https:\/\/www.rattech.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Blog\",\"item\":\"https:\/\/www.rattech.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Rotte spor: s\u00e5dan kender du de 8 sikre tegn\",\"item\":\"https:\/\/www.rattech.com\/rotte-spor\/\"}]}]}<\/script><br \/>\n<script type=\"application\/ld+json\">{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Skal jeg anmelde rotter, hvis jeg kun har fundet spor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Ja. Anmeldelsespligten g\u00e6lder ogs\u00e5, n\u00e5r du kun har fundet tegn p\u00e5 rotter - for eksempel ekskrementer, gnavem\u00e6rker eller huller - og ikke har set et dyr. Anmeld til din kommune via borger.dk eller kommunens egen selvbetjening. Kommunen har efter Milj\u00f8styrelsens regler ansvaret for at udf\u00f8re effektiv rottebek\u00e6mpelse.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Hvor gammel er rottelorten, jeg har fundet?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Frisk aff\u00f8ring er bl\u00f8d, blank og m\u00f8rk. Efter nogle dage bliver den mat, gr\u00e5lig og smuldrer, n\u00e5r du r\u00f8rer ved den. Vil du teste, om der stadig er aktivitet, s\u00e5 fjern alle lorte p\u00e5 stedet og se efter nye inden for to til tre d\u00f8gn. Kommer der nye, er bestanden aktiv.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Betyder lugt af rotter, at der ligger en d\u00f8d rotte i v\u00e6ggen?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Ikke n\u00f8dvendigvis. En skarp, ammoniakagtig urinlugt kommer fra levende rotter og en aktiv rede. En tung, s\u00f8dlig r\u00e5dlugt er derimod et kadaver, ofte inde i en etageadskillelse eller hulmur. Kadaverlugt er en typisk f\u00f8lge af giftbek\u00e6mpelse, hvor rotten d\u00f8r et utilg\u00e6ngeligt sted flere dage efter.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Hvor lille et hul kan en rotte komme igennem?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If\u00f8lge Milj\u00f8styrelsen kan en rotte passere et hul p\u00e5 st\u00f8rrelse med en 2-krone. Derfor er runde gnavehuller ved sokkel, ventilationsriste og r\u00f8rgennemf\u00f8ringer v\u00e6rd at tjekke, selv n\u00e5r de virker for sm\u00e5. Tandsporene omkring hullet er cirka 3 mm brede hos rotter mod under 2 mm hos mus.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Kan jeg selv fjerne rotteekskrementer?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Ja, men brug handsker og undg\u00e5 at feje eller st\u00f8vsuge t\u00f8rt. Fugt ekskrementer og redemateriale med reng\u00f8ringsmiddel f\u00f8rst, saml op og bortskaf i lukket pose. Rotter kan b\u00e6re leptospirose, som if\u00f8lge Statens Serum Institut gav 51 laboratoriebekr\u00e6ftede tilf\u00e6lde i Danmark i 2019-2022. Vask h\u00e6nder grundigt bagefter.\"\n      }\n    }\n  ]\n}<\/script>\n<\/div>\n<aside class=\"rt-contact\">\n  <span class=\"rt-contact-badge\">Giftfri rottebek\u00e6mpelse<\/span><\/p>\n<h3>Har du rotter?<\/h3>\n<p>F\u00e5 en uforpligtende snak om digital, giftfri bek\u00e6mpelse \u2014 vi d\u00e6kker Sj\u00e6lland og Stork\u00f8benhavn.<\/p>\n<p class=\"rt-contact-phone\"><a href=\"tel:+4570200091\">70 20 00 91<\/a><\/p>\n<p class=\"rt-contact-mail\"><a href=\"mailto:info@rattech.com\">info@rattech.com<\/a><\/p>\n<p>  <a class=\"rt-contact-btn\" href=\"\/product\/gennemgang-af-ejendom\/\"><svg width=\"17\" height=\"17\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><rect x=\"3\" y=\"4\" width=\"18\" height=\"18\" rx=\"2\"\/><path d=\"M16 2v4M8 2v4M3 10h18M9 16l2 2 4-4\"\/><\/svg>Book en ejendomsgennemgang<\/a><br \/>\n<\/aside>\n<\/div>\n<p><script id=\"rt-table-labels\">\n(function(){function go(){document.querySelectorAll('.rt-main table').forEach(function(t){\nvar hs=[].map.call(t.querySelectorAll('thead th'),function(th){return th.textContent.trim();});\nt.querySelectorAll('tbody tr').forEach(function(tr){[].forEach.call(tr.children,function(td,i){if(hs[i])td.setAttribute('data-label',hs[i]);});});});}\nif(document.readyState!=='loading')go();else document.addEventListener('DOMContentLoaded',go);})();\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ekskrementer p\u00e5 17 mm, kloaklugt og fedtede striber langs v\u00e6ggen: se de 8 spor der afsl\u00f8rer rotter &#8211; og hvad du g\u00f8r, n\u00e5r du finder dem.<\/p>","protected":false},"author":7,"featured_media":1107,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3249","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RatTech<\/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:\/\/www.rattech.com\/en\/rotte-spor\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rattech.com\/en\/rotte-spor\/\" \/>\n<meta property=\"og:site_name\" content=\"RatTech\" \/>\n<meta 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