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Abstract

Leptospirosis is an infection of bacterial spirochetes, which dogs acquire when subspecies of the Leptospira interrogans penetrate the skin and spread through the body by way of the bloodstream. It has zoonotic significance too. A 6-year-old male Saint Bernerd dog was brought to the SAQTVH with a history of anorexia, passing melena, lethargy, vomiting, unable to walk and chronic weight loss. On clinical examination it revealed sign of dehydration with sunken eyeball, icteric conjunctival mucus membrane of the eye, gum, penis and the skin of the ventral abdomen. Based on the clinical signs, the dog was suspected for leptospirosis. Then blood sample was collected for estimation of haematological and biochemical parameters like Hb, PCV, WBC and BUN etc. Urine samples were subjected to various tests to determine different parameters such as leukocytes, nitrite etc. Dark field microscopy (DFM) was performed on urine to detect the presence of Leptospira organism. Neutrophilia, leukocytosis, increased level of PCV, TLC, TP, ALP, BUN, creatinine, and decreased the value of Hb as well as increased level of ALT, AST, specific gravity, proteinuria, bilirubinuria further observation spirochete under DFM confirmed that dog was affected with leptospirosis. As post operative care antibiotic, antiemetic, diuretic and fluid therapy was given. The dog was followed for next 2 month. The dog had an uneventful recovery without further complication.