Investigation of Hepatitis-Hydropericardium Syndrome Caused by Fowl Adenovirus (FAdV) Infection in Broiler Chicken Flocks in Northern Parts of India

Palanivelu, M.

doi:10.14737/journal.rjvp/2014/2.4.58.62

Cited by 3 publications

(10 citation statements)

References 13 publications

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“…Congestion of thymus was observed Prevalence and Molecular Diagnosis of Hydropericardium Hepatitis Syndrome in the Poultry Population of Mizoram, India in some cases. These findings are in accordance with reports from Kumar et al (1997), Meenakshi-Bal et al (2005, Sawale et al, 2012, Palanivelu et al (2014, Das et al (2015) and Dutta et al, 2017. Moderate to severe ascites was observed in dead birds of 3 farms along with the hydropericardium and hepatitis as earlier described by Das et al (2015).…”

Section: Resultssupporting

confidence: 92%

“…General signs of illness like dullness, depression, lethargy and huddling were observed in affected birds. Similar observations were earlier recorded by Palanivelu et al (2014), Bhutia and Singh (2017) and Dutta et al (2017).…”

Section: Resultssupporting

confidence: 92%

“…All the outbreaks were recorded during the summer months from March to June in broiler birds of 4 to 6 weeks of age. Similar findings were previously described by Sawale et al (2012), Palanivelu et al (2014), Das et al (2015) and Bhutia and Singh (2017). Clinically disease appeared suddenly with mortality of 18 to 25.2% in the birds.…”

Section: Resultssupporting

confidence: 91%

“…In some cases there were focal necrotic areas and petechial haemorrhages on the surface of the kidneys (Fig 3). Palanivelu et al (2014) and Das et al (2015) also reported similar findings. The lungs showed moderate to severe congestion and edema in almost all the cases.…”

Section: Resultssupporting

confidence: 70%

“…There were focal areas of necrosis and focal to diffused petechial haemorrhages on the surface (Fig 2). Such lesions were earlier described as the characteristic lesions of HHS (Meenakshi-Bal et al, 2005;Sawale et al, 2012;Thakor et al, 2012;Palanivelu et al, 2014;Das et al, 2015;Dutta et al, 2017). Enlarged, congested and friable kidneys were observed in all of the cases.…”

Section: Resultsmentioning

confidence: 84%

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Prevalence and Molecular Diagnosis of Hydropericardium Hepatitis Syndrome in the Poultry Population of Mizoram, India

Suohu

Rajkhowa

2020

IJAR

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Background: Hydropericardium hepatitis syndrome (HHS) is an important emerging disease having economic importance and affecting particularly broiler chickens. Although the disease has been reported as a major problem in almost all the regions of India, not much is known from the North Eastern states of India. The present study was aimed to study prevalence, clinico-pathology and molecular diagnosis of HHS in poultry population of Mizoram. Methods: A poultry population of total 2430 from 15 different farms located in different districts of Mizoram were studied for outbreaks of HHS. Clinical manifestation of the disease in affected birds was recorded and pathological studies were carried out in total 190 dead birds. The outbreaks were further confirmed by detection of hexon gene of FAdV in tissue lesions by PCR. Result: Outbreak of HHS was recorded in 5 (33.3%) different broiler farms with sudden onset of mortality (18 to 25.2%) in broiler birds of 4 to 6 weeks of age. Pathological studies revealed characteristic lesions comprising hydro pericardium, hepatitis and basophilic intranuclear inclusion bodies in hepatocytes. Detection of hexon gene of FAdV in tissue lesions by PCR assay has further confirmed the outbreaks. This study reports for the first time, high prevalence of HHS in poultry population of Mizoram.

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Section: Resultssupporting

confidence: 92%

Section: Resultssupporting

confidence: 92%

Section: Resultssupporting

confidence: 91%

Section: Resultssupporting

confidence: 70%

Section: Resultsmentioning

confidence: 84%

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Prevalence and Molecular Diagnosis of Hydropericardium Hepatitis Syndrome in the Poultry Population of Mizoram, India

Suohu

Rajkhowa

2020

IJAR

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Complete genome sequence and pathogenicity of fowl adenovirus serotype 4 involved in hydropericardium syndrome in Southwest China

Guan

Tian

Han

et al. 2018

Microbial Pathogenesis

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Patho-morphological changes in hydropericardium-hepatitis syndrome in broiler chickens in Jammu region

Abrol,

Rahman,

Nashiruddullah

et al. 2024

Int. J. Adv. Biochem. Res.

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Hydropericardium Hepatitis Syndrome (HHS) is an economically important poultry disease infecting wide range of poultry host including parrots, falcons and ostrich and has a significant negative economic impact on the global poultry industry. A study was conducted to investigate the pathology and molecular diagnosis of HHS in poultry birds from March 2022 to May 2023 in Jammu region. Outbreak of HHS was recorded in 2 different farms with sudden onset of high mortality in broiler birds of 4-6 weeks of age. Samples collected from broiler farms were examined for gross and histopathological changes in Fowl Adenovirus (FAdV) infection in the field samples. Gross examination showed characteristic straw coloured fluid in pericardial sac; pale, friable and enlarged livers with minute, petechial or ecchymotic haemorrhages and enlarged kidneys. Histologically, the liver of affected birds revealed presence of basophilic intranuclear inclusion bodies in hepatocytes, vacoular degeneration and focal hepatocytic necrosis. The kidneys displayed severe degeneration and necrosis of tubular epithelium, hypercellularity of glomerular tuft and interstitial haemorrhages. Spleen showed lymphocytolysis in splenic follicles in infected birds. Tissue samples (liver) of infected birds were used for DNA isolation and detection of FAdV using PCR to amplify hexon gene. The amplified PCR was analyzed by agarose gel electrophoresis indicated DNA fragments of approximately 890 bp as expected revealed presence of HPS virus.

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Investigation of Hepatitis-Hydropericardium Syndrome Caused by Fowl Adenovirus (FAdV) Infection in Broiler Chicken Flocks in Northern Parts of India

Cited by 3 publications

References 13 publications

Prevalence and Molecular Diagnosis of Hydropericardium Hepatitis Syndrome in the Poultry Population of Mizoram, India

Prevalence and Molecular Diagnosis of Hydropericardium Hepatitis Syndrome in the Poultry Population of Mizoram, India

Complete genome sequence and pathogenicity of fowl adenovirus serotype 4 involved in hydropericardium syndrome in Southwest China

Patho-morphological changes in hydropericardium-hepatitis syndrome in broiler chickens in Jammu region

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