National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Contagious pustular dermatitis (CPD) is an acute, highly contagious, zoonotic, debilitating and economically important viral non-systematic eruptive skin disease of small ruminants. In this report, occurrence of atypical caprine contagious pustular dermatitis associated with pneumonia in a goat flock is described. An outbreak of pox like disease was noticed in four out of 18 non-descript goats during June 2018, in Erode district of Tamil Nadu. Affected animals showed multiple, discrete, edematous nodular lesions and crust formation throughout its body surface with respiratory symptoms. Among the four animals one was collapsed. On postmortem examination, the anterioventral lobes of lungs showed patches of consolidation and multifocal grayish white areas in the remaining lung lobes. Histopathological examination of the skin revealed orthokeratotic and parakeratotic hyperkeratosis, epidermal hyperplasia, degenerative changes in the stratum spinosum, and large eosinophilic intracytoplasmic inclusion bodies in few keratinocytes. Lung showed diffuse to focal suppurative bronchopneumonia and the mediastinal lymph nodes exhibited depletion of the lymphocytes in the paracortical regions. Skin scab and lung samples were found positive for contagious pustular dermatitis virus by the polymerase chain reaction. Treatment of CPD complicated with bronchopneumonia is ineffective, hence the farmer was advised to cull the affected goats, disinfect the animal house premises with 3% iodine solution. Due to the effective culling and adaptation of strict biosecurity measures, following the initial outbreak, no other animals in the goat flock were affected.
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