Abstract
This present study was carried out to assess the prevalence of brucellosis and blue tongue in a trans humane sheep flock of Tamil Nadu, India. This Sheep flock had a history of inconsistent abortion, repeat breeder, poor fertility rate and higher prevalence of still birth. Serum samples were collected from sheep by random sampling. Serum samples were subjected to Rose Bengal Plate agglutination test (RBT) and ELISA. The risk factors like pregnancy, abortion, age and sex were correlated to the Brucella seropositivity. This study also assessed for the presence of Bluetongue in aborted sheep. It was found that ELISA could be the choice of test for testing of Brucellosis (with the percentage of 57.14). Clinically healthy rams were found to be with brucellosis seropositivity and posed infertility to ewes. It was observed that in trans humane flocks. Brucellosis and Blue tongue has a confounding phenomenon for ovine abortions.
Highlights
Brucellosis is a bacterial zoonosis caused by microorganisms belonging to Brucella, a genus of gram-negative bacteria that behave as facultative intracellular pathogens of ruminants, suidae, canids, and several wildlife species (OIE, 2008)
B. melitensis infection in sheep and goats has been neglected for long time, because small ruminant production was considered as a represents generally low-income activity practiced by landless farmers and marginalized communities in the developing countries
This study investigated and documented it in a trans humane Sheep flock of Tamil Nadu
Summary
Brucellosis is a bacterial zoonosis caused by microorganisms belonging to Brucella, a genus of gram-negative bacteria that behave as facultative intracellular pathogens of ruminants, suidae, canids, and several wildlife species (OIE, 2008). B melitensis is the foremost etiological agent of brucellosis in sheep and goats. It is the main agent responsible for human brucellosis known as Malta fever. B. melitensis infection in sheep and goats has been neglected for long time, because small ruminant production was considered as a represents generally low-income activity practiced by landless farmers and marginalized communities in the developing countries. For these reasons the trans humane farming systems continue to have served disease challenges and pose major hurdles in, the control and eradication of many infections
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