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Abstract

Although laminitis is seen in bovine species, due to its numerous etiological factors it is generally undiagnosed or wrongly diagnosed to be some other condition. At the same time, no confirmation could be given by laboratory method other than histamine analysis. Histamine is the confirmatory blood cytokine for laminitis, as the disease is due to production of higher level of blood histamine. But histamine analysis is expensive and not easily available; therefore, the study was conducted to find out a diagnostic index for confirmatory and low cost diagnosis of bovine laminitis. Private dairy farms in and around Khanapara, Guwahati of Assam was considered for the study. Blood samples for haematological and biochemical studies were collected from 12 clinically healthy and 12 acute laminitis animals; animals were selected after preliminary survey. Parameters studied were Haemoglobin (Hb), Erythrocyte Sedimentation Rate (ESR), Packed Cell Volume (PCV), Total Leukocyte Count (TLC), Differential Leukocyte Count (DLC), serum glucose, serum glucose, Calcium and Phosphorus (Ca and P). Serum Calcium & ESR values were found to increase significantly along with Eosinophilia and Neutrophilia in animals suffering from laminitis. On the other hand there was significant decrease in serum glucose in the diseased animals compared to control group. The results were statistically analyzed using Discriminant Analysis method. It provides a model base decision support in identifying an animal as normal or laminitis on the basis of blood parameters through the Discriminant function. Presence or absence of laminitis can be ascertained by putting values of different blood parameters in the Discriminant function as aid to posterior classification of normal or laminitis animal on the basis of blood sample in future. It could be concluded that the findings of the present investigation provides a diagnostic index or an easier way for ascertaining presence or absence of Laminitis by using average value of blood parameters.