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We identified an overall prevalence of 74.63% (203\/272 [95% CI: 69.14\u201379.44%]) of\n                    <jats:italic>Giardia<\/jats:italic>\n                    spp. in cats, being significantly higher in adult and non-domiciled animals, which presented, respectively, 5.3 and 8.6 times more chances of infection when compared to kittens and domiciled animals. However, all the animals investigated that tested positive did not present with diarrhea. Regarding diagnostic methods, using coproparasitological examination,\n                    <jats:italic>Giardia<\/jats:italic>\n                    spp. cysts were observed in the feces of 193 cats, and through the immunochromatographic assay, coproantigens of this protozoan were detected in 203 samples, demonstrating almost perfect agreement (\n                    <jats:italic>Kappa<\/jats:italic>\n                    Cohen: 0.907). Thus, according to the authors\u2019 knowledge, this is the highest prevalence of\n                    <jats:italic>Giardia<\/jats:italic>\n                    spp. ever identified in cats in Brazil, and with regard to diagnostic methods, we observed a high concordance between the coproparasitological examination and the immunochromatographic assay in the detection of the aforementioned protozoan.\n                  <\/jats:p>","DOI":"10.1007\/s11259-026-11409-8","type":"journal-article","created":{"date-parts":[[2026,7,20]],"date-time":"2026-07-20T03:34:02Z","timestamp":1784518442000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["High prevalence of Giardia spp. in cats without diarrhea and agreement between diagnostic techniques in the municipality of Londrina, Paran\u00e1, Brazil"],"prefix":"10.1007","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0009-0006-3677-5520","authenticated-orcid":false,"given":"Luiz Roberto Santos","family":"Aoki","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0786-0882","authenticated-orcid":false,"given":"Fernando","family":"de Souza Rodrigues","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-9312-1597","authenticated-orcid":false,"given":"Giovanna Cristina Justino Santos","family":"Aoki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-0172-5257","authenticated-orcid":false,"given":"Lethicia Mendes","family":"Nino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-7037-5580","authenticated-orcid":false,"given":"Mateus Siqueira","family":"Pyles","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6146-9553","authenticated-orcid":false,"given":"Michel","family":"dos Santos Pinto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3648-0039","authenticated-orcid":false,"given":"Michelle Santos","family":"Sabioni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4545-0780","authenticated-orcid":false,"given":"Jo\u00e3o Alfredo Biagi","family":"Camargo Neto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5114-3234","authenticated-orcid":false,"given":"Alex Akira","family":"Nakamura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8767-8855","authenticated-orcid":false,"given":"Katia Denise Saraiva","family":"Bresciani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4665-2253","authenticated-orcid":false,"given":"Gustavo","family":"Felippelli","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3187-2365","authenticated-orcid":false,"given":"Marcos Franke","family":"Pinto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,7,20]]},"reference":[{"issue":"3","key":"11409_CR1","doi-asserted-by":"publisher","first-page":"194","DOI":"10.4314\/sokjvs.v22i3.8","volume":"22","author":"AM Adeiza","year":"2024","unstructured":"Adeiza AM, Nafarnda WD, Enem SI, Okoli C, Godwin E, Babatunde RS (2024) Detection of cysts and coproantigen of Giardia duodenalis in domestic cats in Lokoja, Nigeria. 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