{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T10:50:44Z","timestamp":1782384644227,"version":"3.54.5"},"reference-count":66,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T00:00:00Z","timestamp":1782345600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Sciences"],"abstract":"<jats:p>This study aimed to characterize the reproductive performance of the local Algerian population (LAP) compared with the New Zealand White (NZW) rabbits, by evaluating sexual behavior, semen characteristics, and their modulation by environmental factors, namely photoperiod and temperature-humidity index (THI). Mature bucks (n = 14\/breed) were monitored from January to April, with two successive ejaculates collected weekly. Sexual behavior, macroscopic and microscopic semen parameters, and testosterone concentrations were assessed. The effects of breed, ejaculate order, environmental factors, and their interactions were analyzed using Generalized Linear Mixed models. LAP and NZW bucks exhibited similar sexual behavior and blood testosterone levels (p &gt; 0.05). Collection failures and ejaculate rejection causes were mainly clustered within specific individuals rather than being breed-dependent. However, LAP bucks showed higher sperm concentration (p = 0.01), viability (p = 0.02), and membrane integrity (p = 0.04) than NZW bucks, whereas most motility and quantitative semen traits remained comparable between breeds. Increasing photoperiod significantly improved reproductive performance (p &lt; 0.05). Conversely, within the investigated range, THI mainly affected semen collection efficiency through increased urine contamination (p &lt; 0.001), with limited effects on intrinsic sperm quality. Significant breed \u00d7 environment interactions for sperm concentration (p = 0.03) suggested differential responsiveness between breeds, with LAP bucks showing a stronger positive response to increasing photoperiod and less pronounced variation under THI fluctuations. Overall, LAP bucks exhibited a more favorable seminal profile under the conditions of the present study, supporting the valorization of this local genetic resource for artificial insemination programs under Algerian conditions. Further studies are required to confirm these patterns under summer heat-stress conditions and evaluate their impact on fertility outcomes.<\/jats:p>","DOI":"10.3390\/vetsci13070611","type":"journal-article","created":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T08:14:12Z","timestamp":1782375252000},"page":"611","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Comparative Evaluation of Sexual Behavior, Semen Characteristics and Environmental Modulation in Local Algerian and New Zealand White Rabbit Bucks"],"prefix":"10.3390","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0009-0003-2437-9545","authenticated-orcid":false,"given":"Ibtissem","family":"Boulbina","sequence":"first","affiliation":[{"name":"Laboratory of Research \u201cHealth and Animal Productions\u201d, Higher National Veterinary School \u201cRabie Bouchama\u201d, Issad Abbes Street, Oued Smar, Algiers 16059, Algeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4850-0541","authenticated-orcid":false,"given":"Mohammed El-Amine","family":"Bekara","sequence":"additional","affiliation":[{"name":"Laboratory of Molecular Biology, Genomics and Bioinformatics, Department of Biology, Faculty of Nature and Life Sciences, University Hassiba Benbouali of Chlef, Chlef 02000, Algeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8212-2068","authenticated-orcid":false,"given":"Hacina","family":"AinBaziz","sequence":"additional","affiliation":[{"name":"Laboratory of Research \u201cHealth and Animal Productions\u201d, Higher National Veterinary School \u201cRabie Bouchama\u201d, Issad Abbes Street, Oued Smar, Algiers 16059, Algeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Asma","family":"Kassoul","sequence":"additional","affiliation":[{"name":"Central Biochemistry Laboratory, Mustapha University Hospital Center, Faculty of Pharmacy, University of Health Sciences, Route Nationale N36, Ch\u00e2teau Neuf, Ben Aknoun, Algiers 16028, Algeria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6134-0901","authenticated-orcid":false,"given":"Cesare","family":"Castellini","sequence":"additional","affiliation":[{"name":"Department of Agricultural, Food and Environmental Science, University of Perugia, Borgo XX Giugno 74, 06124 Perugia, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,6,25]]},"reference":[{"key":"ref_1","unstructured":"Rischkowsky, B., and Pilling, D. 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