{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T13:15:11Z","timestamp":1770729311032,"version":"3.49.0"},"reference-count":20,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2022,2,25]],"date-time":"2022-02-25T00:00:00Z","timestamp":1645747200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Reprod Domestic Animals"],"published-print":{"date-parts":[[2022,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Analogues of PGF2\u03b1 have been used in boars with positive results on sexual behaviour, but limited impact on semen quality. The objective of this study was to determine whether the administration of Dinoprost tromethamine or D\u2010Cloprostenol enhances the sexual behaviour and semen quality of sexually inexperienced growing lambs during the onset of the breeding season. The study lasted 10\u00a0weeks, beginning during the non\u2010breeding season, with 24 sexually inexperienced Katahdin lambs (5.1\u00a0\u00b1\u00a00.5\u00a0months old). Three groups of eight lambs each received: (1) vehicle treatment (group CON); (2) 10\u00a0mg of Dinoprost tromethamine (group DIN); or (3) 0.15\u00a0mg of Cloprostenol dextrogy (group CLOP). The treatments were all applied im 5\u00a0min before the tests of sexual behaviour, or 20\u00a0min before the collection of semen. Sexual behaviour was evaluated twice weekly in a pen test with a non\u2010oestrous ewe, and semen was collected once weekly with an artificial vagina. The latency to begin courtship was significantly shorter in both groups that received analogues of PGF2\u03b1 than in CON lambs. The number of ano\u2010genital sniffs, flehmens and lateral approaches was greater in both treated groups than in CON lambs (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a0.05). Lambs from DIN group mounted significantly more than CLOP and CON lambs, which did not differ. However, CLOP lambs showed significantly greater mating efficiency (i.e. ejaculations\/total mounts) than CON lambs, which exhibited significantly greater mating efficiency that DIN lambs. Lambs treated with CLOP produced significantly more semen volume with more mass motility than those treated with DIN and CON (without differences between DIN and CON). Overall, we concluded that the administration of cloprostenol or dinoprost before sexual evaluation in young rams enhances their sexual behaviour. Cloprostenol had greater effects than dinoprost. The administration of cloprostenol before semen collection also triggered the ejaculation of a greater volume of semen, with greater mass motility. These results open interesting possibilities to study deeply the use of simple and cost\u2010effective treatments to improve the reproductive results of young growing rams.<\/jats:p>","DOI":"10.1111\/rda.14101","type":"journal-article","created":{"date-parts":[[2022,2,21]],"date-time":"2022-02-21T17:38:44Z","timestamp":1645465124000},"page":"611-615","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Cloprostenol enhances sexual behaviour and semen quality in growing lambs more effectively than Dinoprost"],"prefix":"10.1111","volume":"57","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1576-6845","authenticated-orcid":false,"given":"Fernando","family":"S\u00e1nchez\u2010D\u00e1vila","sequence":"first","affiliation":[{"name":"Posgrado Conjunto de las Facultades de Agronom\u00eda y Veterinaria Universidad Aut\u00f3noma de Nuevo Le\u00f3n  Nuevo Le\u00f3n M\u00e9xico"},{"name":"Laboratorio de Reproducci\u00f3n Animal Facultad de Agronomia Universidad Aut\u00f3noma de Nuevo Le\u00f3n  San Nicol\u00e1s de los Garza M\u00e9xico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"V\u00edctor Adri\u00e1n","family":"Hern\u00e1ndez\u2010Melo","sequence":"additional","affiliation":[{"name":"Posgrado Conjunto de las Facultades de Agronom\u00eda y Veterinaria Universidad Aut\u00f3noma de Nuevo Le\u00f3n  Nuevo Le\u00f3n M\u00e9xico"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6083-9188","authenticated-orcid":false,"given":"Rogelio Alejandro","family":"Ledezma\u2010Torres","sequence":"additional","affiliation":[{"name":"Posgrado Conjunto de las Facultades de Agronom\u00eda y Veterinaria Universidad Aut\u00f3noma de Nuevo Le\u00f3n  Nuevo Le\u00f3n 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