Calving interval and affecting factors in Shami cattle
published by Damascus University
in 2013
in
and research's language is
العربية
Download
Abstract in English
This research was conducted I during 2009-2010 at Dier Alhajar station,
General Commission for Scientific Agricultural Research to determine the
length of calving interval (CI) and the effect of sire, calving year, calving
season, parity and age of cow and their interactions in Shami Cattle.
It was concluded that CI can be reduced by better
management and providing good and suitable feeding conditions.
References used
Abdel Gader, A. Z., M. K. A. Ahmed, L. M. A. Musa and K. J. Peters. 2007. Milk yield and reproductive performance of Friesian cows under Sudan tropical conditions. Arch. Tierz. Dummerstorf. 50(2): 155-164
Ahmad, M. 1999. Genetic evaluation of native and crossbred dairy cattle in Pakistan. PhD Thesis, New England Univ., Australia
Al-Najjar, K. A. 1997. Genetic improvement in dairy cattle. M. Sc. Thesis, Fac. Agric, Ain shams Univ., Cairo,Egypt