{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:44:27Z","timestamp":1753879467333,"version":"3.41.2"},"reference-count":46,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2024,9,27]],"date-time":"2024-09-27T00:00:00Z","timestamp":1727395200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Reprod Domestic Animals"],"published-print":{"date-parts":[[2024,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>The main goals of this study were to document and compare the normal ranges of testicular haemodynamic parameters in pre\u2010 (aged 8\u201312\u2009months; <jats:italic>n<\/jats:italic>\u2009=\u20094) and postpubertal (aged 24\u2013259\u2009months; <jats:italic>n<\/jats:italic>\u2009=\u200916) Miranda donkeys in the breeding season, and to correlate animal biometric data and testicular Doppler indices with basic semen quality parameters of sexually mature jacks. Colour and pulsed\u2010Doppler ultrasonography were employed to assess blood flow in the left and right distal supratesticular artery (DsTA) and their marginal branches (marginal arteries\u2014MA). Peak systolic velocity (PSV), end diastolic velocity (EDV), pulsatility index (PI) and resistive index (RI) were evaluated in both blood vessels, and TAMV (time\u2010averaged mean velocity), TABF (total arterial blood flow) and TABF rate (TABF\u2010R) were calculated for MA. The mean diameter of MA was greater (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05; 0.24\u2009\u00b1\u20090.05 vs. 0.19\u2009\u00b1\u20090.05\u2009cm; mean\u2009\u00b1\u2009SD) but TABF\u2010R was less (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05; 0.004\u2009\u00b1\u20090.004 vs. 0.02\u2009\u00b1\u20090.01\u2009mL\/s\/cm<jats:sup>3<\/jats:sup>) in sexually mature donkeys compared with prepubertal animals. Apart from RI values for the right testicle of prepubertal donkeys, PI and RI were consistently greater (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) in DsTA compared with MA. Significant correlations were found among select biometric and haemodynamic attributes of the testes (height, width and length, TV, TTV and PSV\u2010ST) and ejaculate characteristics (volume, sperm defects\u2010total, head and midpiece) in sexually mature donkeys (<jats:italic>n<\/jats:italic>\u2009=\u20098). The present results highlight the importance of scrotal ultrasonography for the reproductive assessment of jacks and provide reference values, based on the available subpopulation of Miranda donkeys that can be used in their clinical and reproductive management and research, or conservation programmes.<\/jats:p>","DOI":"10.1111\/rda.14727","type":"journal-article","created":{"date-parts":[[2024,9,27]],"date-time":"2024-09-27T12:06:05Z","timestamp":1727438765000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Ultrasonographic Assessment of Testicular Biometry and Arterial Blood Flow in Pre\u2010 and Postpubertal Miranda Donkeys: Correlations With Semen Quality Parameters"],"prefix":"10.1111","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9566-3100","authenticated-orcid":false,"given":"A.","family":"Martins\u2010Bessa","sequence":"first","affiliation":[{"name":"Animal and Veterinary Research Center (CECAV) University of Tr\u00e1s\u2010os\u2010Montes and Alto Douro (UTAD)  Vila Real Portugal"},{"name":"AL4AnimalS\u2010Associate Laboratory for Animal and Veterinary Sciences  Vila Real Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2309-4575","authenticated-orcid":false,"given":"M.","family":"Quaresma","sequence":"additional","affiliation":[{"name":"Animal and Veterinary Research Center (CECAV) University of Tr\u00e1s\u2010os\u2010Montes and Alto Douro (UTAD)  Vila Real Portugal"},{"name":"AL4AnimalS\u2010Associate Laboratory for Animal and Veterinary Sciences  Vila Real Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M.","family":"Novoa","sequence":"additional","affiliation":[{"name":"AEPGA\u2010Association for the Study and Protection of Donkeys  Miranda do Douro Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2731-9137","authenticated-orcid":false,"given":"P.\u00a0M.","family":"Bartlewski","sequence":"additional","affiliation":[{"name":"Department of Biomedical Sciences, Ontario Veterinary College University of Guelph  Guelph Ontario Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Silva","sequence":"additional","affiliation":[{"name":"Animal and Veterinary Research Center (CECAV) University of Tr\u00e1s\u2010os\u2010Montes and Alto Douro (UTAD)  Vila Real Portugal"},{"name":"AL4AnimalS\u2010Associate Laboratory for Animal and Veterinary Sciences  Vila Real Portugal"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,9,27]]},"reference":[{"key":"e_1_2_9_2_1","first-page":"54","article-title":"Relationship Between Main Testicular Hemodynamics and Computer\u2010Assisted Analysis in Prepubertal Age for Breeding Selection in Baladi Bucks","volume":"12","author":"Abdelkhalek K. 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