{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:44:21Z","timestamp":1753879461697,"version":"3.41.2"},"reference-count":38,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,6,18]],"date-time":"2024-06-18T00:00:00Z","timestamp":1718668800000},"content-version":"vor","delay-in-days":17,"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":[[2024,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Dimensions of linear type traits facilitate selection of livestock for breeding and rearing. To date, use of linear type traits for selection of breeding bulls is highly concentric to scrotal circumference (SC), with probable overlook to other important traits. Present study reported the importance of various gonadal linear type traits on spermatozoa production, age\u2010related changes in gonadal linear type traits of bulls and predictive ability of these traits on bulls' reproductive potentials. Among all gonadal traits, testicular density (TD), scrotal volume (SV), paired testicular weight (PWT) and SC were found most important predictor variables in order, which can discriminate between good\/poor breeding bulls, that is, produced frozen semen doses (FSD) or not. Dimensions of gonadal traits increased significantly up to 36\u2009months age and thereafter, development became slow and negligible. In contrast, TD decreased by 30%, 51%, 64%, 68% and 71% at 12, 24, 36, 48 and &gt;49\u2009months age, respectively, from its base value at 6\u2009months. Bulls of lower TD (\u22640.88\u2009g\/cm<jats:sup>3<\/jats:sup>) had significantly higher ejaculate volume (+9%), sperm motility, sperm concentration (+100 million\/mL) and sperm output (+26%)\/ejaculate as compared to bulls of higher TD (&gt;0.88\u2009g\/cm<jats:sup>3<\/jats:sup>). Discriminant function was developed using TD, SV, PWT and SC to identify bulls of superior reproductive potentials. It was concluded that among the investigated traits, TD was the strongest to discriminate between FSD and Non\u2010FSD bulls. Therefore, our findings suggested that TD could be more potential trait than SC for dairy bulls' breeding soundness evaluation and assessment of reproductive ability.<\/jats:p>","DOI":"10.1111\/rda.14641","type":"journal-article","created":{"date-parts":[[2024,6,18]],"date-time":"2024-06-18T09:39:50Z","timestamp":1718703590000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Evaluation of predictive ability of linear type gonadal traits on reproductive capacity of breeding dairy bulls"],"prefix":"10.1111","volume":"59","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5292-1109","authenticated-orcid":false,"given":"Dilip Kumar","family":"Mandal","sequence":"first","affiliation":[{"name":"ICAR\u2010National Dairy Research Institute, Eastern Regional Station  Kalyani West Bengal India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mahesh","family":"Kumar","sequence":"additional","affiliation":[{"name":"ICAR\u2010Central Institute for Research on Cattle  Meerut Cantt Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shrikant","family":"Tyagi","sequence":"additional","affiliation":[{"name":"ICAR\u2010Central Institute for Research on Cattle  Meerut Cantt Uttar Pradesh India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,6,18]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.5251\/abjna.2011.2.2.203.206"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11250-010-9668-1"},{"key":"e_1_2_10_4_1","first-page":"93","article-title":"Minimizing lameness through genetic selection","volume":"14","author":"Atkins G.","year":"2002","journal-title":"Advances in Dairy Technology"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11250-011-9817-1"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1080\/09712119.2006.9706565"},{"key":"e_1_2_10_7_1","doi-asserted-by":"publisher","DOI":"10.1530\/jrf.0.0590447"},{"key":"e_1_2_10_8_1","unstructured":"Chacko C. 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