CONTROL OF OVARIAN ACTIVITY AFTER ESTROUS SYNCHRONIZATION WITH PRID, CRESTAR AND PROSTAGLANDINS AND AS MONITORED BY ULTRASONOGRAPHY IN DAIRY CATTLE IN WEST OF ALGERIA
Assiut Veterinary Medical Journal/Maǧallaẗ Asyūṭ al-ṭibiyyaẗ al-baytariyyaẗ