{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T03:22:55Z","timestamp":1767842575105,"version":"3.49.0"},"reference-count":30,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2007,4,16]],"date-time":"2007-04-16T00:00:00Z","timestamp":1176681600000},"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":[[2007,8]]},"abstract":"<jats:title>Contents<\/jats:title><jats:p>In swine, the use of frozen\u2010thawed (FT) sperm for artificial insemination (AI) is limited because of poor sow fertility, possibly associated with a post\u2010thaw capacitation\u2010like status resulting in fewer fully viable sperm. Sow fertility to AI with FT sperm may improve with deeper deposition of sperm within the female tract, insemination very close to ovulation, or reversal of cryocapacitation by seminal plasma (SP). We performed two experiments to examine these suggestions. In experiment 1, 122 multiparous Yorkshire sows received 600\u2003IU equine chorionic gonadotrophin at weaning and 5\u2003mg pLH 80\u2003h later to control time of ovulation. The predicted time of ovulation (PTO) was 38\u2003h after pLH injection. Thereafter, sows were assigned on the basis of parity to a single AI of FT sperm at 2\u2003h before PTO, or at 12\u2003h before PTO, or FT sperm supplemented with 10% SP at 12\u2003h before PTO. Control sows received fresh semen at 12\u2003h before PTO. All semen doses were adjusted to 3\u2003\u00d7\u200310<jats:sup>9<\/jats:sup>live cells and deposited into the cervix. Experiment 2 employed 99 multiparous crossbred sows and repeated the treatments of experiment 1 except that all FT inseminations were intrauterine. In both experiments, farrowing rates were lower (p\u2003&lt;\u20030.01) following FT inseminations with no effect of time of insemination or of supplemental SP. In experiment 1, litter size was smaller following FT insemination (p\u2003&lt;\u20030.05), but no effect on litter size was evident in experiment 2. Supplemental SP had no effect on litter size in either experiment. The lack of effect of either SP or timing of FT insemination on sow fertility suggests that the non\u2010lethal sperm cryoinjury affecting fertility involves more than just cryocapacitation.<\/jats:p>","DOI":"10.1111\/j.1439-0531.2006.00801.x","type":"journal-article","created":{"date-parts":[[2007,5,2]],"date-time":"2007-05-02T15:43:24Z","timestamp":1178120604000},"page":"418-422","source":"Crossref","is-referenced-by-count":27,"title":["Effect of Insemination\u2013Ovulation Interval and Addition of Seminal Plasma on Sow Fertility to Insemination of Cryopreserved Sperm"],"prefix":"10.1111","volume":"42","author":[{"given":"M","family":"Abad","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"JC","family":"Garcia","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"DJ","family":"Sprecher","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"G","family":"Cassar","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"RM","family":"Friendship","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"MM","family":"Buhr","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"RN","family":"Kirkwood","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2007,4,16]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0531.2006.00744.x"},{"key":"e_1_2_6_3_1","first-page":"242","article-title":"Seminal plasma improves fertility of frozen equine semen","volume":"89","author":"Alghamdi AS","year":"2005","journal-title":"Anim Reprod Sci"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0531.2004.00500.x"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.4141\/A03-024"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.theriogenology.2005.06.006"},{"key":"e_1_2_6_7_1","unstructured":"BuhrM 2001:Emerging tools in artificial insemination.Proc London Swine Conference London Ontario 2001 pp.123\u2013135."},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1439-0531.2004.00530.x"},{"key":"e_1_2_6_9_1","unstructured":"CandiniPH ZanelaE SilveiraPRS MorettiAS VianaCHC ValentimR 1999:Utilisation of porcine LH on synchronisation of ovulation in weaned sows.Proc Brazilian Cong Swine Vet Practitioners Belo Horizontal Brazil 1999.9 375\u2013376."},{"key":"e_1_2_6_10_1","unstructured":"CandiniPH MorettiAS SilveiraPRS ZanellaE VianaCHC SantosICC 2001:Utilization of a protocol of synchronization of ovulation induced by porcine LH to perform insemination programs in fixed time with one or two inseminations per sow.Proc 6th Int Conf Pig Reprod Columbia\u2010Missour 2001 99."},{"key":"e_1_2_6_11_1","doi-asserted-by":"crossref","first-page":"254","DOI":"10.54846\/jshap\/463","article-title":"Effect of single or double insemination on fertility of sows bred at an induced estrus and ovulation","volume":"13","author":"Cassar G","year":"2005","journal-title":"J Swine Health Prod"},{"key":"e_1_2_6_12_1","first-page":"125","article-title":"Fertility of deep frozen boar spermatozoa","volume":"12","author":"Crabo B","year":"1971","journal-title":"Acta vet scand"},{"key":"e_1_2_6_13_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0320117"},{"key":"e_1_2_6_14_1","first-page":"372","article-title":"A field trial on the fertility of deep\u2010frozen boar spermatozoa","volume":"25","author":"Einarsson S","year":"1973","journal-title":"Nord Vet Med"},{"key":"e_1_2_6_15_1","volume-title":"Cryopreservation of boar semen. 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