Hossein hamali

[ 1 ] - Vaginal fibrosarcoma in cow (A case report)

A five-year-old Holstein cow with a history of vaginal prolapse was admitted to the Large Animal Clinic, Faculty of Veterinary Medicine, University of Tabriz. According to the owner, she had a 5-month history of vaginal prolapse and frequent sanguineous discharge from the vagina. Appetite was normal and its last parturition was two months ago. Clinical examination revealed a tumor like mass tha...

[ 2 ] - Serodiagnosis and molecular survey on leptospiral abortions in the dairy cattle of Tabriz

Leptospirosis is an important infectious disease of animals and humans caused by the pathogenicleptospires which are classified into one species of Leptospira interrogans containing over 212 serovars. Thisstudy was conducted to determine the prevalence of Leptospira-induced abortions in Tabriz (north-west ofIran) dairy herds and to determine the pathogenic Leptospira serovars responsible. From ...

[ 3 ] - A report on bovine fetal Ectopia cordis cervicalis associated with two cervical sacs

A Holstein heifer with symptoms of dystocia was admitted in the Large Animal Clinic at the University of Tabriz. In the vaginal examination, the fetus was found at posterior presentation and by doing someobstetrical maneuvers, a male calf was delivered. An interesting phenomenon was the presence of two skinsacs in dimensions of 12 × 12 cm and 12 × 18 cm at the right and left upper cervical regi...

[ 4 ] - ارزیابی بهترین زمان خارج کردن جفت در گاوان مبتلا به سندرم جفت‌ماندگی

سندرمجفت‌ماندگی یکی از معضلات بزرگ صنعت گاوداری در ایران و بسیاری از کشورهای دیگر می‌باشد. با این ‌وجود نه تنها تاکنون تعریف دقیقی برای جفت‌ماندگی ارائه نشده است، بلکه مدیریت دقیقی نیز برای نحوه برخورد با این مشکل توصیه نشده است. اکثر دانشمندان معتقدند اگر 12 ساعت بعد اززایمان جفت حیوان بدون دخالت خارجی دفع نگردد، از واژه جفت‌ماندگی می‌توان در این مورد استفاده کرد. این تحقیق به بررسی بهترین زما...