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OJVRTM
Online Journal of
Veterinary Research©
Volume
24 (2):114-118, 2020.
An outbreak of classical swine fever in Karnataka,
India.
BP Shankar,
SS Patil, HD Narayanaswamy,
H Veeresh, S Chandan Sindhoora, MR Gajendragad and K Prabhudas.
PD_ADMAS,
Hebbal, Bangalore-24, India.
ABSTRACT
Shankar
BP, Patil SS, Narayanaswamy
HD, Veeresh H, Sindhoora
SC, Gajendragad MR, Prabhudas
K., An outbreak of classical swine fever in Karnataka, India, Onl J Vet Res., 24
(2):114-118, 2020.
Swine fever by Pestivirus has recently
decimated pigs in China (2019). We report an outbrake in swine from Karnataka, India. Symptoms
were dullness, anorexia, pyrexia (103-107oC), constipation followed
by diarrhea, reddish purple skin, champing jaws, closed eyes with
conjunctivitis, apnoea, convulsions, webbling gait and occasional purulent-blood discharge from
nostrils and ascites. In blood, we found severe leucopoenia, increased ESR and
reduced platelets. Gross lesions were hyperemia, hemorrhage and inflammation. Submaxillary,
parotid, retropharyngeal and mesenteric glands showed peripheral congestion
with dark red haemorrhagic areas alternating with
pale white lymphoid tissue strawberry-like appearance. The salient histological
lesions were vascular engorgement, haemorrhages in
various tissues and organs and ulceration of the mucosa of the
gastro-intestinal tract. These lesions include turkey egg appearance of kidney,
infarction and haemorrages on spleen and mulberry
fruits like appearance of lymph nodes. This is a first report of classical
swine fever in Karnataka. We believe the swine fever had spread to pigs from
neighboring states like Kerala, Andrapradesh and Tamilnadu where the disease had been prevalent from 1961.
Key words: Swine fever, India,
Symptoms, Pathology.
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