%0 Conference Proceedings %T Determination of optimum time of semen collection by microscopic evaluation of semen, plasma testosterone concenteration and sexual activity of iranian native breed of bucks (merghoz) in kermanshah province %A R. Mirmahmoudi %A M. Souri %A J. Talebi %A A. Moghaddam %A Ebrahimi, Seyed Hadi %A V. Heidarian Miri %J International Conference on Frontiers in Reproductive Biotechnology %D 2011