PATHOLOGICAL INVESTIGATION OF PESTE DES PETITS RUMINANTS (PPR) OUTBREAK IN A GOAT FARM AT BAGJANA, PANCHBIBI, JOYPURHAT DISTRICT IN BANGLADESH

Abstract

The present study aimed at the investigation of a PPR outbreak in a small farm of Black Bengal goats in July-December 2013. A total of 74 goats of both sexes in a goat farm at Bagjana, Panchbibi, Joypurhat district were included in this investigation. The Farm had the history of recent introduction of goats purchased from a market. Out of 74 goats, 38 were suspected with natural PPR virus infection, 10 among which died and necropsy was conducted on 6 goats. All the dead goats were young goats of less than 12 month of age. The main clinical manifestation of the suspected goats were fever (101°-107°F), followed by dry muzzle, anorexia followed by serous to mucopurulent nasal discharge. Severe stomatitis with necrotic lesions in the buccal cavity, diarrhoea, dyspnea with cough, frothy salivation, conjunctivitis and depression were found. Grossly, emaciated and dehydrated carcass; erosions on pillars of rumen, severe congestion throughout the intestinal tract, zebra striping in ceco-colic junction, pale and moderately enlarged liver with indented gall bladder; congested and consolidated pneumonic lungs; enlarged, congested, and edematous lymph nodes throughout the body; brush paint hemorrhages in the heart; atrophied congested spleen were recorded. Histopathologically, chronic enteritis with large mononuclear cells infiltration in the villi and lamina propria; chronic tracheitis; chronic bronchointerstitial pneumonia consistent with accumulation of fibrin; depletion of lymphocytes with infiltration of macrophages in lymph node; splenic atrophy with depletion of lymphocytes were recorded.