{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,14]],"date-time":"2025-05-14T01:58:47Z","timestamp":1747187927330,"version":"3.40.5"},"reference-count":34,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2023,9,25]],"date-time":"2023-09-25T00:00:00Z","timestamp":1695600000000},"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":[[2023,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Sexed semen facilitates additional female calf production for the expansion of a herd at a faster rate and also curtails the surplus production of unwanted male calves. A study was conducted to evaluate the performance of sexed semen in indigenous Tharparkar cows based on 114 artificial inseminations (AI) performed at natural oestrus using two protocols i.e., single AI (<jats:italic>n<\/jats:italic>\u2009=\u200948) and double AI (<jats:italic>n<\/jats:italic>\u2009=\u200966). Overall, the first service conception rate (CR) was significantly higher in double (53.0%) than single (33.3%) AI protocol. The odds ratio of conception rate in double AI was 2.26 (<jats:italic>\u03c7<\/jats:italic><jats:sup>2<\/jats:sup>\u2009=\u20094.4, <jats:italic>df<\/jats:italic>\u2009=\u20091, <jats:italic>p<\/jats:italic>\u2009=\u2009.04) with respect to single AI. The time that elapsed since the detection of oestrus to insemination was also analysed. In a single AI protocol, the CR was higher (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.05) at 16\u2009h (54.6%) than insemination at 8\u2009h (27.0%) following the onset of oestrus. Yet, the CR using double AI protocol did not differ (<jats:italic>p<\/jats:italic>\u2009=\u2009.73) significantly when AIs were performed either at 8\u2009h and 24\u2009h (51.9%) or 16\u2009h and 24\u2009h (57.1%) post onset of oestrus. Besides, like the single AI protocol, the parity of the animals also influenced the CR, being higher in heifers (<jats:italic>n<\/jats:italic>\u2009=\u200922) than those of parous (<jats:italic>n<\/jats:italic>\u2009=\u200992) cows (72.73 vs. 40.43%, <jats:italic>\u03c7<\/jats:italic><jats:sup>2<\/jats:sup>\u2009=\u20097.48, <jats:italic>df<\/jats:italic>\u2009=\u20091, <jats:italic>p<\/jats:italic>\u2009=\u2009.006) in the present study. The odds ratio of conception in heifers was 3.93 with respect to parous cows. Overall, the birth of female calf was 91.7%. In conclusion, the present study indicates a future promise of the sexed semen for the production of more female offspring from Tharparkar cattle.<\/jats:p>","DOI":"10.1111\/rda.14480","type":"journal-article","created":{"date-parts":[[2023,9,25]],"date-time":"2023-09-25T08:19:24Z","timestamp":1695629964000},"page":"1622-1627","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Evaluation of sexed semen\u2010based artificial insemination in Tharparkar cattle under organized farm condition"],"prefix":"10.1111","volume":"58","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3433-9216","authenticated-orcid":false,"given":"Manas Kumar","family":"Patra","sequence":"first","affiliation":[{"name":"Livestock Production and Management Section ICAR\u2010Indian Veterinary Research Institute  Izatnagar India"},{"name":"Animal Reproduction Division ICAR\u2010Indian Veterinary Research Institute  Izatnagar 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