A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity

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dc.creatorEl-Khidir, O.A.
dc.creatorKhalifa, H.A.A.
dc.creatorKhalafallah, A.M.
dc.creatorGaili, E.S.E.
dc.date1979-01-12
dc.date2015-06-05T12:18:02Z
dc.date2015-06-05T12:18:02Z
dc.date.accessioned2026-06-27T19:17:54Z
dc.descriptionThe work reported in this paper was initiated to estimate the age at first calving in herd of Kenana cattle with particular reference to the influence of year and season of the birth on age of heifers at calving. It included a feeding trail to elucidate the effects of improved nutrition on body development and sexual maturity of Kenana heifers. The mean age at first calving was found to be 45.2±7.6 months. The study revealed significant (p
dc.identifierhttps://hdl.handle.net/10568/66855
dc.identifier.urihttp://hdl.handle.net/123456789/176752
dc.languageen
dc.publisherWiley
dc.rightsLimited Access
dc.sourceEl-Khidir, O.A., Khalifa, H.A.A., Khalafallah, A.M. and Gaili, E.S.E. 1979. A study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity. Journal of Animal Breeding and Genetics 96(2-3): 210-220.
dc.subjectcattle
dc.subjectage
dc.subjectparturition
dc.subjectanimal performance
dc.subjectheritability
dc.subjectanimal nutrition
dc.subjectheifers
dc.subjectseasons
dc.titleA study of some economic traits in a herd of Kenana cattle (North Sudan Zebu). II. Age at first calving and effects of improved nutrition on body development and sexual maturity
dc.typeJournal Article

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