AimThe study aimed to detect the prevalence of Leptospira spp. in kidney tissues collected during necropsy and to establish its association with renal lesions in dogs of Mumbai region.Materials and MethodsKidney tissues from 40 dogs were collected during necropsy after gross examination and then fixed in neutral buffered formalin and Bouin’s fluid for histopathology and histochemistry, respectively. Kidney tissues were also collected for the detection of Leptospira spp. by polymerase chain reaction (PCR) in a sterile container and stored at −80°C until further processing.ResultsOf 40 cases studied, 13 (32.5%) cases showed lesions of nephritis of varying histotype and severity. Glomerulonephritis was reported as the most common type of nephritis in 9 (69.23%) cases, and interstitial nephritis was recorded in 4 (30.76%) cases. Chronic and acute interstitial nephritis was observed in two cases each. Renal failure as a cause of death was found in 7 (17.5%) dogs. Of a total of 40 cases, 9 were found positive for pathogenic Leptospira spp. genome by PCR. However, of nine PCR-positive cases, only four cases showed lesions in kidneys as glomerulonephritis and interstitial nephritis in two cases each. The rest five cases positive for Leptospira spp. by PCR did not show any appreciable lesions in the kidneys.ConclusionLeptospiral DNA was detected in 9 (22.5%) cases by PCR. Of these nine cases, only four cases showed renal lesions. Other five cases which were positive for Leptospira spp. by PCR did not show any appreciable gross and microscopic lesions in the kidneys which might be carriers for Leptospira spp. Considering variable reports on types of nephritis in Leptospira spp. infection and also the prevalence of non-pathogenic Leptospira spp., it is important to conduct an extensive study on the prevalence of Leptospira spp. and its association with renal lesions involving batteries of tests.

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Aim: To evaluate the important haematological values of the retrospective clinical cases of buffaloes presented to the Teaching Veterinary Hospital of the College of Veterinary Science, Guru Angad Dev Veterinary and Animal Science University, Ludhiana over a period of 4 years from January 2007 to December 2010. Materials and methods: The blood was collected from jugular vein in EDTA containing vials. Statistical analysis of haematological values with different case history/clinical signs was performed using SPSS 16.0 version by applying one way ANOVA at P<0.05. Clinical pathology of these cases was monitored by comparing hemogram values with the reference range. Results: The most common disorders found in water buffaloes were digestive disorders followed by fever and respiratory disorders. Haematological values viz. TLC, DLC (neutrophil, lymphocyte and eosinophil counts) showed significant differences depending upon the case history/clinical signs while haemoglobin count was found to be statistically nonsignificant. Conclusion: TLC and DLC are found to be the important indicators of health status of water buffaloes in general which are more related to clinical history/clinical signs of this species than other the haematological parameters viz. haemoglobin count. [Vet World 2013; 6(2.000): 103-105

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