Gross and Histopathological Findings on Lung Abscesses in Slaughtered Sheep in Libya



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Submitted Jul 26, 2023
Published Sep 13, 2023
10.24018/ejvetmed.2023.3.5.111

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A Lung abscess is a type of necrosis characterized by a pus-filled cavity in the lung parenchyma. This study was conducted to identify gross and histopathological lesions in the lungs of slaughtered sheep during the period from October 2022 to February 2023. Out of 641 slaughtered sheep, 307 (47.9%) slaughtered sheep showed lung gross lesions, and 60 (19.5%) were affected by lung abscesses. Grossly, lung lesions including emphysema, congestion, and abscesses were observed in one or both lobes. Abscess size varied from small (0.3 cm) to large (5 cm), circle to irregular in shape, and was 0.2 t0 0.3 cm in depth. Microscopically, abscesses were characterized by a caseo-necrotic core surrounded by extensive leukocytic infiltration and all encapsulated by a fibrinous membrane. Air spaces were dilated and ruptured in the affected area with emphysema. This study concluded that lung abscess is a serious health issue highly prevalent in Libya and responsible for huge economic losses to the sheep industry.

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