title: Prevalence of brucellosis and infectious bovine rhinotracheitis in organized dairy farms in India.
abstract: This study was carried out to investigate the prevalence of bovine brucellosis and infectious bovine rhinotracheitis (IBR) in organized dairy farms with history of abortion in India. ELISA and Rose Bengal Plate Test (RBPT) were used to detect the seropositive animals and the test results indicated that 22.18% and 13.78% animals were declared as sero-positive by ELISA and RBPT, respectively. Milk Ring Test (MRT) was carried out only in one farm and 12.82% of the tested animals were turned positive. Culture examination analysis of milk samples, two animals revealed the presence of organisms indistinguishable from Brucella spp. The organism was confirmed as brucella by morphological characteristics and biochemical tests. An overall sero-prevalence of antibodies against IBR was found to be 60.84%. None of the genital and nasal swab samples was found to be positive for presence of bovine herpesvirus -1 (BHV-1) on repeated passage in Madin-Darby Bovine Kidney (MDBK) cell lines. Brucella and IBR considered as the causal agent for abortions in these farms. The present study indicates the urgent need and the necessity for control of these infectious diseases which cause heavy economic losses to the organized farms.
authors: R&D Centre, National Dairy Development Board, Indian Immunologicals Ltd., Gachibowli, Hyderabad, India.
authors: Bhavesh
authors: B
authors: Trangadia
authors: Samir Kumar
authors: SK
authors: Rana
authors: Falguni
authors: F
authors: Mukherjee
authors: Villuppanoor Alwar
authors: VA
authors: Srinivasan
mesh_terms: D037881:Aborted Fetus; D000034:Abortion, Veterinary / Q000453:epidemiology / Q000382:microbiology*; D000372:Agglutination Tests / Q000662:veterinary; D000818:Animals; D000907:Antibodies, Bacterial / Q000097:blood; D000914:Antibodies, Viral / Q000097:blood; D002002:Brucella / Q000302:isolation & purification*; D002006:Brucellosis / Q000453:epidemiology / Q000382:microbiology / Q000662:veterinary*; D002417:Cattle; D003612:Dairying; D004797:Enzyme-Linked Immunosorbent Assay / Q000662:veterinary; D005260:Female; D007242:Herpesvirus 1, Bovine / Q000302:isolation & purification*; D007194:India / Q000453:epidemiology; D007241:Infectious Bovine Rhinotracheitis / Q000453:epidemiology / Q000821:virology*; D016036:Seroepidemiologic Studies
chemical_list: D000907:Antibodies, Bacterial; D000914:Antibodies, Viral