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Journal Article 1979

Autor: El-Khidir, O.A. Khalifa, H.A.A. Khalafallah, A.M. Gaili, E.S.E.

The 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 d...

Enlace original: https://cgspace.cgiar.org/handle/10568/66855

Investigación en Agricultura
AGE
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El-Khidir, O.A. ,  Khalifa, H.A.A. ,  Khalafallah, A.M. ,  Gaili, E.S.E. ,  [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] ,  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 Article 1979

Autor: Khalifa, H.A.A. Khalafallah, M.

The mean birth weight of Kenana calves in the herd under investigation was 24.2±2.8 kg. Male calves were 1.3 kg heavier at birth than female-calves. The difference was attributed, parity at least, to longer gestation length in case of the male-calves. Calves born to cows 2½-5½ years old were sign...

Enlace original: https://cgspace.cgiar.org/handle/10568/66866

Investigación en Agricultura
AGE
Enlace permanente
Khalifa, H.A.A. ,  Khalafallah, M. ,  [A study of some economic traits in a herd of Kenana cattle (Northern Sudan Zebu) I. Birth weight in Kenana cattle] ,  A study of some economic traits in a herd of Kenana cattle (Northern Sudan Zebu) I. Birth weight in Kenana cattle
Journal Article 1983

Autor: Khalafallah, A.M. Khalifa, H.A.A.

The reproduction of the Kenana cattle was studied to establish the service period (SP), calving interval (CI) gestation period (GP), and economic production characteristics. Age of cow had significant effect on SP and highly significant effect on calving interval. The variations in the SP and in ...

Enlace original: https://cgspace.cgiar.org/handle/10568/66860

Investigación en Agricultura
Enlace permanente
Khalafallah, A.M. ,  Khalifa, H.A.A. ,  [A study of some economic traits in a herd of Kenana cattle. Service period, calving interval and gestation period] ,  A study of some economic traits in a herd of Kenana cattle. Service period, calving interval and gestation period

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