{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T22:43:19Z","timestamp":1790894599252,"version":"4.1.0"},"reference-count":34,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2006,9,5]],"date-time":"2006-09-05T00:00:00Z","timestamp":1157414400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Reprod Domestic Animals"],"published-print":{"date-parts":[[2006,12]]},"abstract":"<jats:title>Contents<\/jats:title><jats:p>Retinol\u2010binding protein 4 (<jats:italic>RBP4<\/jats:italic>), androgen receptor (<jats:italic>AR<\/jats:italic>), relaxin (<jats:italic>RLN<\/jats:italic>), acrosin (<jats:italic>ACR<\/jats:italic>) and osteopontin (polymorphism in intron 6 named <jats:italic>OPNin6<\/jats:italic>; polymorphism in promoter region named <jats:italic>OPNprom<\/jats:italic>) were addressed as functional candidate genes for sperm quality and boar fertility and investigated for their association with sperm concentration, motility, semen volume per ejaculate, plasma droplets rate, abnormal spermatozoa rate as well as non\u2010return rate and number of piglets born alive. Therefore 356 AI boars of the purebred Pietrain (PI) and crossbred Pietrain\u2003\u00d7\u2003Hampshire (PI\u2003\u00d7\u2003HA) were genotyped at these loci. Analysis of variance revealed significant associations of <jats:italic>RBP4<\/jats:italic> (p\u2003&lt;\u20030.05), <jats:italic>ACR<\/jats:italic> (p\u2003&lt;\u20030.01), and <jats:italic>OPNin6<\/jats:italic> (p\u2003&lt;\u20030.05) with sperm motility. <jats:italic>OPNin6<\/jats:italic> (p\u2003&lt;\u20030.05) was also associated with number of piglets born alive. Moreover, <jats:italic>AR<\/jats:italic> (p\u2003&lt;\u20030.05) and <jats:italic>OPNprom<\/jats:italic> (p\u2003&lt;\u20030.05) were significantly associated with abnormal spermatozoa rate. For <jats:italic>RLN<\/jats:italic> (p\u2003&lt;\u20030.01) there was evidence for effects on sperm volume and <jats:italic>ACR<\/jats:italic> significantly affected sperm concentration (p\u2003&lt;\u20030.05) as well as non\u2010return rate (p\u2003&lt;\u20030.05). No significant effects of any locus on plasma droplets rate were observed.<\/jats:p>","DOI":"10.1111\/j.1439-0531.2006.00710.x","type":"journal-article","created":{"date-parts":[[2006,9,5]],"date-time":"2006-09-05T14:12:42Z","timestamp":1157465562000},"page":"538-543","source":"Crossref","is-referenced-by-count":26,"title":["Evidence for Effects of Testis and Epididymis Expressed Genes on Sperm Quality and Boar Fertility 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