Assistant Professor Dr. Ali Jassim Jaafar, Associate Dean for Administrative Affairs of the College of Veterinary Medicine at the University of Karbala, and a lecturer at the college, participated in the discussion committee of the doctoral thesis of the student Fawzia Jamil Hassan about her thesis tagged with (Some vital indicators and their relationship to the characteristics of semen and fertility of Holstein bulls) in the College of Agricultural Engineering Sciences / Plant Protection Department/University of Baghdad/Al-Jadriya.