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Research
(Published
online: 24-01-2015)
15. Seroprevalence
studies on animal chlamydiosis amongst ruminants in five states of
India - R. Chahota, S. Gupta, B. Bhardwaj, P. Malik, S.
Verma and M. Sharma
Veterinary World, 8(1): 72-75
doi:
10.14202/vetworld.2015.72-75
R.
Chahota:
Department of Veterinary Microbiology, DGCN College of Veterinary
and Animal Sciences, Palampur, Himachal Pradesh, India; rchahota@yahoo.com
S.
Gupta:
Department of Veterinary Microbiology, DGCN College of Veterinary
and Animal Sciences, Palampur, Himachal Pradesh, India;
shilpi5.biotech@gmail.com
B.
Bhardwaj:
Department of Veterinary Microbiology, DGCN College of Veterinary
and Animal Sciences, Palampur, Himachal Pradesh, India;
lucky000051@gmail.com
P.
Malik:
Department of Veterinary Microbiology, DGCN College of Veterinary
and Animal Sciences, Palampur, Himachal Pradesh, India;
priyanka7malik@gmail.com
S.
Verma:
Department of Veterinary Microbiology, DGCN College of Veterinary
and Animal Sciences, Palampur, Himachal Pradesh, India; sverma8@yahoo.co.uk
M.
Sharma: Department of Veterinary Microbiology, DGCN College of
Veterinary and Animal Sciences, Palampur, Himachal Pradesh, India;
mandeepsharma289@hotmail.com
Received: 16-09-2014, Revised: 08-12-2014, Accepted: 12-12-2014,
Published online: 24-01-2015
Corresponding author:
R. Chahota, e-mail: rchahota@yahoo.com
Abstract
Background and Aim: Animal chlamydiosis, caused by different
chlamydial species, is characterized by clinical or subclinical
disease manifestations in cattle, buffalo, ovine, caprine and wild
animal species. Animal chlamydiosis often remains underdiagnosed
or undiagnosed, and its status in many parts of India is still
unknown. Hence, the present study was conducted to determine the
seroprevalence of animal chlamydiosis amongst ruminant livestock
species of five states of India.
Materials and Methods: Totally, 2127 randomly selected serum
samples collected from ruminant livestock species viz.
cattle (n=430), buffaloes (n=429), sheep (906) and goats (n=362),
were tested by agar gel precipitation test for chlamydiosis
between 2002 and 2011. Precipitating antigen was prepared from
locally isolated strain of Chlamydia psittaci after
treatment with sodium deoxycholate.
Results: The chlamydial seroprevalence detected amongst
ruminants in five states of India was: Himachal Pradesh:
Cattle-10.90%, sheep-10.60% and goats- 22.46%; Punjab:
Cattle-1.45%; Andhra Pradesh: Cattle-2.80%, buffaloes-0.93%,
sheep-8.90% and goats-9.46%; Maharashtra: goats-8.33%; Jammu and
Kashmir: sheep-12.50%. The mean seroprevalence values of each
animal species are: Cattle-4.65%, buffaloes-0.93%, sheep-9.82% and
goats-19.33%.
Conclusion: The results indicate the endemic nature of animal
chlamydiosis across five states in India. Hence, it requires
further extensive studies in other parts of India also using
chlamydial species-specific diagnostics to ascertain overall
countrywide prevalence of the disease. The zoonotic nature of the
chlamydiae of ruminant origin further adds significance to such
prevalence studies.
Keywords: agar gel precipitation test, chlamydiosis,
ruminants, seroprevalence.
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