Pathological investigation of liver of the slaughtered buffaloes in Barisal district

Ahmedullah, F.; Akbor, M.; Haider, MG; Hossain, Md. Mokbul; Khan, Md. Abu Hadi Noor Ali; Hossain, Mohammad Ismail; Shanta, IS

doi:10.3329/bjvm.v5i1.1321

Cited by 18 publications

(19 citation statements)

References 9 publications

(5 reference statements)

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“…Hydatid cysts have been commonly recorded in liver followed by lungs and majority of cysts are slow growing (Gemmell 1966). The results in the present study are in parity with many previous studies (Hussain et al 1992;Ahmedullah et al 2007). Barnes et al (2011) reported that adventitial layer in the multilocular cysts was thick in sheep which could be restrictive to growth while simultaneously protecting the hydatid from the host immune response.…”

Section: Discussionsupporting

confidence: 83%

Histopathological changes associated with E. granulosus echinococcosis in food producing animals in Punjab (India)

Singh

Sharma

et al. 2014

J Parasit Dis

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Cystic echinococcosis due to Echinococcus granulosus is a serious public health and economic concern in India. The disease is endemic in most of the food producing animals such as cattle, buffalo, sheep, goat and pigs in the country. In this study, tissues comprising of pieces of liver and lungs were collected in 10 % formal buffered saline. The formalin fixed tissues (liver and lungs) from 10 cattle, buffalo, sheep, goat and pigs each were selected and further processed by acetone benzene method for histopathological examinations. The cysts were surrounded by outer fibrous layer over the inner germinal layer and filled with clear hydatid fluid. Echinococcal protoscolices were also noticed in some of the sections. Histologically, slight hemorrhage, leucocyte infiltration and mild hepatocellular degeneration in the liver were noticed. The adjacent hepatic paraenchyma showed atrophy, variable degeneration and infiltration. The parenchyma adjacent to cysts was markedly congested and showed multiple small haemorrhagic areas. In lungs, there was proliferation of fibrous connective tissue and infiltration of mononuclear cells.

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Section: Discussionsupporting

confidence: 83%

Histopathological changes associated with E. granulosus echinococcosis in food producing animals in Punjab (India)

Singh

Sharma

et al. 2014

J Parasit Dis

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“…The reason could be the availability of the snail intermediate host in this geographical region. The description of natural infection by E. explanatum is sporadic (Upadhayay et al 1987;Hafeez and Rao 1989;Wiedosari et al 1991;Ahmedullah et al 2007).…”

Section: Discussionmentioning

confidence: 96%

Natural trematode infection in liver of water buffalo (Bubalus bubalis): histopathological investigation

2011

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This study reports the infection of liver and bile ducts, carried out from November 2008 to April 2010, on 730 randomly selected water buffaloes-Bubalusbubalis, infected with the amphistome trematode parasite Explanatum explanatum (Creplin, 1847) Fukui, 1929. Macroscopic examination revealed massive infection of adult fluke in bile ducts and intrahepatic ductules in 131 (18%) cases. The predominant features were multifocal granulomatous nodules throughout the luminal surface of the bile ducts. Histopathological study of 4 μm thick tissue sections cut adjacent to and through the site of attachment of individual worm and stained with hematoxylin and eosin revealed intense infiltration of inflammatory cells such as lymphocytes, macrophages, plasma cells, eosinophils as well as fibrocytes. This was associated with fibrosis and thickening of the bile ducts. Due to high level of prevalence and intensity of natural infection, amphistomiasis appears to be endemic in this geographical region and probably represent one of the most important animal health problems. It is hoped that the study may draw attention to the need for educating farmers, regarding the economic importance of infection of these amphistome parasites and also for the development of control strategies to prevent the spread of infection to ruminants.

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“…The prevalence of fascioliasis in slaughtered animals has been reported to be 15–66% in cattle [14, 28], 3.8–22% in goats [17, 29–31], 81% in sheep [32] and 23–47% in buffaloes [22, 33], respectively. The actual burden of fascioliasis - including subclinical disease - is likely much higher than that reported above [34].…”

Section: Introductionmentioning

confidence: 99%

Fascioliasis risk factors and space-time clusters in domestic ruminants in Bangladesh

et al. 2017

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BackgroundA retrospective observational study was conducted to identify fascioliasis hotspots, clusters, potential risk factors and to map fascioliasis risk in domestic ruminants in Bangladesh. Cases of fascioliasis in cattle, buffalo, sheep and goats from all districts in Bangladesh between 2011 and 2013 were identified via secondary surveillance data from the Department of Livestock Services’ Epidemiology Unit. From each case report, date of report, species affected and district data were extracted. The total number of domestic ruminants in each district was used to calculate fascioliasis cases per ten thousand animals at risk per district, and this was used for cluster and hotspot analysis. Clustering was assessed with Moran’s spatial autocorrelation statistic, hotspots with the local indicator of spatial association (LISA) statistic and space-time clusters with the scan statistic (Poisson model). The association between district fascioliasis prevalence and climate (temperature, precipitation), elevation, land cover and water bodies was investigated using a spatial regression model.ResultsA total of 1,723,971 cases of fascioliasis were reported in the three-year study period in cattle (1,164,560), goats (424,314), buffalo (88,924) and sheep (46,173). A total of nine hotspots were identified; one of these persisted in each of the three years. Only two local clusters were found. Five space-time clusters located within 22 districts were also identified. Annual risk maps of fascioliasis cases correlated with the hotspots and clusters detected. Cultivated and managed (P < 0.001) and artificial surface (P = 0.04) land cover areas, and elevation (P = 0.003) were positively and negatively associated with fascioliasis in Bangladesh, respectively.ConclusionsResults indicate that due to land use characteristics some areas of Bangladesh are at greater risk of fascioliasis. The potential risk factors, hot spots and clusters identified in this study can be used to guide science-based treatment and control decisions for fascioliasis in Bangladesh and in other similar geo-climatic zones throughout the world.

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Pathological investigation of liver of the slaughtered buffaloes in Barisal district

Cited by 18 publications

References 9 publications

Histopathological changes associated with E. granulosus echinococcosis in food producing animals in Punjab (India)

Histopathological changes associated with E. granulosus echinococcosis in food producing animals in Punjab (India)

Natural trematode infection in liver of water buffalo (Bubalus bubalis): histopathological investigation

Fascioliasis risk factors and space-time clusters in domestic ruminants in Bangladesh

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