Artificial Insemination; Semen Analysis, Using Conventional Methods and Flow Cytometry; Diagnosis and Treatment of Dystocia in Different Animals; Manual and Surgical (Caesarean Section) Treatment; Diagnosis and Treatment of Reproductive Disorders in Cows, Sheep and Goats; Pregnancy Diagnosis in Cows by Rectal Palpation; Laparoscopic Surgery (Intrauterin Insemination) in Ewes; and, Ovariectomy in Donkeys.