TY - GEN AU - Gamal Attia Abdelhamid Elsisy AU - Abdelrazek Mahmoud Aly Abdelrazek , AU - Akeel Abdelshafy Salama , AU - Mohamed Samy Sayed Abdou , TI - Effect of season and contact with females on semen characteristics and testosterone hormone level in goats / PY - 1997/// CY - Cairo : PB - Gamal Attia Abdelhamid Elsisy , N1 - Thesis(M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Theriogenology UR - http://172.23.153.220/th.pdf ER -