عناصر مشابهة

• Some studies on the influence of pre and postparturient disorders on the reproductive performance in dairy cows
  بواسطة: El Sayad, Ibrahim El Meaddawey Ali منشور: (2001)
• Comparison of two estrous synchronization protocols on reproductive performance of lactating dairy cows
  بواسطة: Darras, Omer Subhi منشور: (2011)
• Effect of certain drugs on fertility of cow bulls
  بواسطة: El Naggar, Atef Moustafa منشور: (2000)
• Effect of some drugs on mastitis in cows
  بواسطة: El Sheikh, Wageh Moustafa Abd Alsalam منشور: (1994)
• Uterine activity in the ewe and cow, with particular reference to its effect on cervical dilatation and the influence of tocolytic agents
  بواسطة: Al Eknah, Marzook Mohammed منشور: (1987)