Hartmannellosis in a Bull

Penile fibrosarcoma tumor in a bull

This is a report of a penile fibrosarcoma in a two-year-old crossbred Holstein bull. The ulcerated tumormass with dimensions of 7 × 9 × 6.5 cm, was enveloped the glans and body of the penis. It had a white-graycolor at cross section appearance. There was no metastatic evidence of regional lymph node enlargement.Histopathologically, elongated spindle-shaped cells arranged densely in the interwov...

penile fibrosarcoma tumor in a bull

this is a report of a penile fibrosarcoma in a two-year-old crossbred holstein bull. the ulcerated tumormass with dimensions of 7 × 9 × 6.5 cm, was enveloped the glans and body of the penis. it had a white-graycolor at cross section appearance. there was no metastatic evidence of regional lymph node enlargement.histopathologically, elongated spindle-shaped cells arranged densely in the interwov...

Arginase status in bull reproductive system

Congenital penile urethral aplasia in a 4-day-old bull calf

A 4-day-old Holstein bull calf with considerable oedema of the belly (water belly) was referred to theVeterinary Teaching Hospital of the School of Veterinary Medicine, Shiraz University. The owner did notobserve any urination since birth. Rupture of the urethra was suspected. Perineal urethrotomy was performed. Subsequently, catheterization of urethra revealed the obstruction near the external...

A nuclear DNA polymerase in bull spermatozoa.

A DNA polymerase was isolated from bull spermatozoa by differential centrifugation, ultrafiltration and gel filtration. Its apparent molecular weight and synthetic template utilization resemble that of DNA polymerase gamma. Chemical and enzymic fractionation of bull spermatozoa indicate that the enzyme is most probably located in the nucleus.