Two Experiments were conducted in Mahallet Mosa to evaluate the effect of
using Selenium-vitamin E (Se-vit.E) mixture via intramuscularly injection or via the
addition to the diluted semen on buffalo bull semen quality, reaction time (sec), was
recorded also, semen quality criteria studied were: ejaculate volume (mil, sperm cell
concentration (x 10\ sperm output (x 10\ appearance, pH, mass activity, initial
activity, live sperms, acrosomal abnormalities and total abnormality. Results obtained
indicated a significant effect for intramuscularly injection with Se-vit E mixture on each
of reaction time, ejaculate volume, mass activily, initial motility and live-sperm
percentage. Addition of Se-vil. E mixture to buffalo bull diluted semen do not improve
initial motility, live sperm, acrosomal abnormality and total abnormality. Under, the prevailing condition of this investigation, these findings suggest
that intramuscularly injection with Se-vit, E solution exhibits a better effect on buffalo
bull semen quality comparing with its addition to semen diluenl.