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The ingestion of polyunsaturated fatty acids (PUFAs) of the omega\u20103 family, such as docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), has been described and correlated with changes in the semen quality, testosterone levels and male fertility. Nevertheless, few studies monitored and registered effects after ceasing supplementation. In the present study, we monitored the Doppler velocimetric and ultrasonographic parameters of nine dogs' testis for 90\u00a0days (D90) checking the effect of salmon oil supplementation, and monitoring continued for 60\u00a0days more, after ceasing supplementation (D150). Ultrasonographic evaluations comprised determining the Doppler velocimetric parameters, testicular and epididymal volume, and testicular echotexture. Peak systolic velocity (PSV) as well as final diastolic velocity (EDV) in the supratesticular arteries (STA), and marginal artery (MA) increased during the period of treatment and kept that level up to D150. There was no difference between the fish\u2010oil supplementation period and the unsupplemented one regarding the testicular and epididymal volume and echogenicity and heterogeneity characteristics. A negative correlation was found between heterogeneity of testis and sperm production (<jats:italic>r<\/jats:italic>\u00a0=\u00a0\u2212.41, <jats:italic>p<\/jats:italic>\u00a0=\u00a0.008). Doppler velocimetry indices were affected by the supplementation, leading to an increase in testicular blood flow.<\/jats:p>","DOI":"10.1111\/rda.13886","type":"journal-article","created":{"date-parts":[[2020,12,30]],"date-time":"2020-12-30T22:10:09Z","timestamp":1609366209000},"page":"476-483","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Salmon oil supplementation in dogs affects the blood flow of testicular arteries"],"prefix":"10.1111","volume":"56","author":[{"given":"Marcelo Carvalho","family":"Santos","sequence":"first","affiliation":[{"name":"Universidade Estadual do Norte Fluminense Darcy Ribeiro Campos Dos Goytacazes Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chiara","family":"Milani","sequence":"additional","affiliation":[{"name":"Department of Animal Medicine, Production and Health University of Padova Legnaro Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paolo","family":"Zucchini","sequence":"additional","affiliation":[{"name":"Department of Animal Medicine, Production and Health University of Padova Legnaro Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Celia Raquel","family":"Quirino","sequence":"additional","affiliation":[{"name":"Universidade Estadual do Norte Fluminense Darcy Ribeiro Campos Dos Goytacazes Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefano","family":"Romagnoli","sequence":"additional","affiliation":[{"name":"Department of Animal Medicine, Production and Health University of Padova Legnaro Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6261-7431","authenticated-orcid":false,"given":"Isabel Candia Nunes","family":"da Cunha","sequence":"additional","affiliation":[{"name":"Universidade Estadual do Norte Fluminense Darcy Ribeiro Campos Dos Goytacazes Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,1,19]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1161\/JAHA.118.008757"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anireprosci.2013.02.027"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1095\/biolreprod64.1.13"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/nbu.12261"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/rda.13213"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0531.2011.01937.x"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jash.2016.10.004"},{"issue":"3","key":"e_1_2_9_9_1","first-page":"399","article-title":"Utiliza\u00e7\u00e3o Do Aglepristone No Tratamento Da Hiperplasia Fibroepitelial Mam\u00e1ria Felina","volume":"19","author":"Silva F. 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