{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,20]],"date-time":"2026-06-20T15:01:55Z","timestamp":1781967715343,"version":"3.54.5"},"reference-count":22,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2006,9,21]],"date-time":"2006-09-21T00:00:00Z","timestamp":1158796800000},"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":[[2007,2]]},"abstract":"<jats:title>Contents<\/jats:title><jats:p>The objective of the present field study was to compare the fertility results for boar semen diluted in X\u2010cell<jats:sup>TM<\/jats:sup> stored up to 4\u20135\u2003days before artificial insemination (AI) with semen diluted in Beltsville thawing solution (BTS) used for AI following 2\u20133\u2003days of storage (where the first day being the collection day). A total number of 2601 double inseminations in Norwegian herds were included in this two\u2010trial study. All the boars used in the study were mature cross\u2010bred Norwegian Landrace\u2003\u00d7\u2003Duroc (LD), which were routinely used for AI in Norway. The inseminated gilts and sows were Norwegian Landrace\u2003\u00d7\u2003Yorkshire (LY). The AI doses contained 2.5 billion spermatozoa, and consisted of a mixture of semen from three, occasionally four, boars (i.e. heterospermic semen). Fertility was measured in terms of the likelihood of farrowing and subsequent litter size. The fertility of the semen in both of the extenders was satisfactory and no significant differences were found either in semen stored 4\u20135\u2003days in X\u2010cell<jats:sup>TM<\/jats:sup> compared with 2\u20133\u2003days in BTS or in semen stored 2\u20133\u2003days in X\u2010cell<jats:sup>TM<\/jats:sup> compared with 2\u20133\u2003days in BTS. The storage capability findings for the long\u2010term extender X\u2010cell<jats:sup>TM<\/jats:sup> could significantly simplify the practical issues of semen production and the distribution of AI doses containing 2.5 billion spermatozoa. However, in pig production systems where all semen is used within 2\u20133\u2003days, the short\u2010term extender BTS is as good as the more expensive extender X\u2010cell<jats:sup>TM<\/jats:sup>.<\/jats:p>","DOI":"10.1111\/j.1439-0531.2006.00738.x","type":"journal-article","created":{"date-parts":[[2006,9,21]],"date-time":"2006-09-21T15:18:29Z","timestamp":1158851909000},"page":"94-99","source":"Crossref","is-referenced-by-count":13,"title":["Fertility Results of Artificial Inseminations Performed with Liquid Boar Semen Stored in X\u2010Cell<sup>TM<\/sup> vs BTS Extender"],"prefix":"10.1111","volume":"42","author":[{"given":"T","family":"Haugan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"AH","family":"Gaustad","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"O","family":"Reksen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"YT","family":"Gr\u00f6hn","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"PO","family":"Hofmo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2007,1,3]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1357729800015150"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2003.10.019"},{"key":"e_1_2_6_4_1","first-page":"17","article-title":"Review: 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