author(s)
Dr. Keneisezo Kuotsu, Dr. K Sathiyabama, Dr. Neithono Kuotsu and Dr. Keneisevono Kipu

abstract
Bovine herpes virus-1 (BHV-1) responsible for Infectious Bovine Rhinotracheitis is one of the important viral pathogens causing severe economic loss to the cattle industries through the way of various clinical manifestations and especially via loss of production and abortions, this study was performed to understand the antibody prevalence to BHV-1 in different breeds and age group of cattle in an organized farm in Chennai, Primiparous and Pluriparous Cattle, different breeds of Cattle from Organized farm were assessed for the sero-prevalence of BHV-1 infection using Indirect Enzyme Linked Immuno Sorbent Assay (I-ELISA) technique, serum antibody prevalence of 45.45 per cent in Primiparous cattle and 62.06 per cent was recorded, among the breeds of cattle, the sero-prevalence of 45.83 per cent in Jersey Cross, 46.66 per cent in Non-descriptive, 70 per cent in Holstein Friesian Cross and 20 per cent in Hallikar were recorded respectively, the overall sero prevalence recorded in Organized farm was 52.12 per cent.