{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T22:43:17Z","timestamp":1790894597287,"version":"4.1.0"},"reference-count":13,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2005,3,31]],"date-time":"2005-03-31T00:00:00Z","timestamp":1112227200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Animal Genetics"],"published-print":{"date-parts":[[2005,4]]},"abstract":"<jats:title>Summary<\/jats:title><jats:p> <jats:italic>\u03b1<\/jats:italic>\u2010Actinins (<jats:italic>ACTN1<\/jats:italic> and <jats:italic>ACTN4<\/jats:italic>) and <jats:italic>\u03b3<\/jats:italic>\u2010actin (<jats:italic>ACTG2<\/jats:italic>), were investigated as candidate genes on the basis of their known functions, for their possible association with sperm concentration, motility, semen volume per ejaculate, plasma droplets rate, abnormal sperm rate and the fertility traits, non\u2010return rate and number of piglets born alive. Polymorphisms were identified in intron 18 (G&gt;A) of the porcine <jats:italic>ACTN1<\/jats:italic> gene and in exon 22 (A&gt;C) of the porcine <jats:italic>ACTN4<\/jats:italic> gene by comparative sequencing of animals from the Pietrain (PI) and Hampshire (HA) breeds. Pietrain (<jats:italic>n<\/jats:italic>\u2003=\u2003244) and crossbreed PI\u2003\u00d7\u2003HA (<jats:italic>n<\/jats:italic>\u2003=\u2003112) boars from an artificial insemination boar station were genotyped for the single nucleotide polymorphisms (SNPs) within <jats:italic>ACTN1<\/jats:italic> and <jats:italic>ACTN4<\/jats:italic> as well as for a previously described microsatellite within <jats:italic>ACTG2<\/jats:italic>. The study provides evidence for effects of <jats:italic>ACTN1<\/jats:italic> on fertility and of <jats:italic>ACTG2<\/jats:italic> on sperm quality traits, while no indication of impact of <jats:italic>ACTN4<\/jats:italic> on any of these traits was found.<\/jats:p>","DOI":"10.1111\/j.1365-2052.2005.01267.x","type":"journal-article","created":{"date-parts":[[2005,3,17]],"date-time":"2005-03-17T09:13:36Z","timestamp":1111050816000},"page":"152-155","source":"Crossref","is-referenced-by-count":36,"title":["Polymorphisms in candidate genes as markers for sperm quality and boar fertility"],"prefix":"10.1111","volume":"36","author":[{"given":"K.","family":"Wimmers","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C. 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