PATHOLOGY OF PESTE DES PETITS RUMINANTS AND CONCURRENT INFECTIONS IN GOATS
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Date
2021
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Abstract
A study was undertaken during the period of October 2019 to September 2020 to determine the incidence of PPR and concurrent infection in and around Namakkal. A total of 509 clinical samples were collected from goats showing clinical signs suggestive of PPR and 39 tissue samples from PPR affected dead animals. Peste des petits ruminants and its concurrent infections were detected by polymerase chain reaction and cultural examinations. Systematic post-mortem examination was carried out on 39 carcasses to ascertain the pathological changes in PPR and concurrent infections. The disease was recorded more in non-descript and Tellicherry than Salem black goat.
Among the sex, female were more affected than male. Among different age groups, 6-12 months were more affected than 0-6 months and more than 12 months. The disease occurrence was high in the months of December, January and February. Out of 509 samples, 339 were positive for PPRV. Twelve of the 339 PPRV positive clinical samples yielded a positive reaction for Orf virus. Fourteen of the 339 PPRV positive clinical samples and five out of the 39 post mortem samples yielded a positive reaction for Mycoplasma sp. Six of the 339 PPRV
positive clinical samples and seven out of the 39 post mortem samples revealed the presence of Pasteurella sp. One out of 39 PPR positive post mortem samples showed positivity both for Mycoplasma sp. and Pasteurella sp.