Seroprevalence and distribution of serogroup-specific pathogenic Leptospira antibodies in cattle and buffaloes in the state of Andhra Pradesh, India

In this study, the prevalence and the distribution status of serogroup-specific antibodies among cattle and buffaloes in enzootic districts of Andhra Pradesh, a South Indian state was carried out. A total of 426 serum samples were randomly sampled from various villages from Prakasam, Kurnool, Guntur...

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Bibliographic Details
Published in:Veterinary World 2019-08, Vol.12 (8), p.1212-1217
Main Authors: Alamuri, Anusha, Thirumalesh, Sushma R A, Kumari, S Sowjanya, Kumar, K Vinod, Roy, Parimal, Balamurugan, V
Format: Article
Language:English
Subjects:
Abortion
Agalactia
Agglutination
Antibodies
Beef cattle
Bovidae
buffaloes
Cattle
distribution of serovars
Fever
Frequency distribution
Gram-negative bacteria
Immunoglobulins
Infertility
Leptospira
Leptospirosis
microscopic agglutination test
Serology
seroprevalence
Stillbirth
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Summary:In this study, the prevalence and the distribution status of serogroup-specific antibodies among cattle and buffaloes in enzootic districts of Andhra Pradesh, a South Indian state was carried out. A total of 426 serum samples were randomly sampled from various villages from Prakasam, Kurnool, Guntur, Chittoor, Srikakulam, Visakhapatnam, and Godavari districts of Andhra Pradesh between 2016 and 2017. Serum samples from cattle (n=106) and buffaloes (n=320) having a history of pyrexia, and reproductive problems such as agalactia, infertility, abortions, and stillbirth. The serum samples were screened for -specific antibodies by microscopic agglutination test using a reference panel of 18 live cultures of pathogenic serovars. The overall seropositivity of 68.08% (290/426) was observed with 70.8% (75/106) in cattle and 67.18% (215/320) in buffaloes. The frequency distribution of predominant serogroup-specific antibodies in the sampled areas was determined against the employed serovars as follows: Icterohaemorrhagiae - 21.38%, Hebdomadis - 18.97%, Australis - 18.62%, Pomona - 17.24%, Sejroe - 15.86%, Tarassovi - 15.86%, Autumnalis - 15.52%, Panama - 14.83%, Shermani - 12.07%, Javanica - 11.38%, Hurstbridge - 11.03%, and Pyrogenes - 10.69%. It was evident that bovines had a role in maintaining several predominant serovars with the change in the trend over a period. The results from this study would also help in strategizing and mitigating the disease burden in cattle and buffaloes of the enzootic area.
ISSN:0972-8988
2231-0916
DOI:10.14202/vetworld.2019.1212-1217