Introduction Mitochondrial (mt) DNA analyses have suggested that dogs and wolves diverged in multiple events over 100 000 years ago, with a possible east Asian origin. The movement of humans and their dogs resulted in extensive gene flow between domestic dog populations for many thousands of years with further mtDNA analysis revealing that dogs display a high degree of polymorphism that is neit...

By causing numerous changes in the cardiovascular system, ageing leads to a decreased threshold for clinical manifestation of heart disease. The aim of this study was to define the existence of cardiac structural and functional changes in healthy dogs of different age. Radiographic, electrocardiographic (ECG) and echocardiographic examinations of 20 clinically healthy German Shepherd dogs were ...

Concurrent disorders with diabetes mellitus is one of the most challenging subject. Our knowledge of the most common concurrent disorders in diabetic dogs may be useful in diagnosis of these disorders and better treatment of diabetic dogs. In this study diabetes mellitus was diagnosed in a 7-year-old male German shepherd dog, based on clinical and laboratory findings. Following the diagnosis of...

concurrent disorders with diabetes mellitus is one of the most challenging subject. our knowledge of the most common concurrent disorders in diabetic dogs may be useful in diagnosis of these disorders and better treatment of diabetic dogs. in this study diabetes mellitus was diagnosed in a 7-year-old male german shepherd dog, based on clinical and laboratory findings. following the diagnosis of...

this study represents an unusual case of mucormycosis localized in nasal cavity of a german shepherd dog. the patient was a 1-year-old male guard dog with unilateral nasal epistaxis, mucopurulent nasal discharge, sneezing and nose pawing. the dog had a history of head trauma about 2 months before admission, which was associated with mild self-limited epistaxis. initial nasal rhinoscopy showed s...

An optimum-sized dog guide weighs 18 to 32 kg and measures 53 to 64 cm in height at the withers when mature body size is attained. Effects of selection index with and without restrictions, independent trait selection, directional selection, stabilizing selection, and negative assortative mating were modeled using data from German shepherd dogs and Labrador retrievers raised by the Seeing Eye, I...

Case Description- In the present study, a seven-year-old German shepherd female dog was referred to Veterinary Hospital of Shahid Chamran University of Ahvaz, with a two-week history of intermittent lameness and lumbosacral pain. Clinical Findings- On general examination, the vital parameters were within normal limits. A ventrodorsal (VD) radiograph of the pelvis and lumbosacral spine was take...