S. M. Eidan, R. I. Khalil and Z. H. Ali Al-Anbar Journal of Veterinary Sciences, Volume 10, Issue 1, (2017).  Abstract This study was conducted to investigate the effect of melatonin implantation on semen quality of Holstein bulls as well as on fresh, cooled and cryopreserved. This study was executed at the department of artificial … Continue reading Effect of melatonin implantation on semen quality Holstein bulls:2- Total number of motile sperm and integrity plasma membrane