Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia
Hepatitis E virus (HEV) is the causative agent of acute hepatitis E infection in humans. Two epidemiological patterns of the disease exist—endemic and sporadic. Genotypes 1 (HEV-1) and 2 (HEV-2) are transmitted through contaminated water and are responsible for the outbreaks of many large-scale epid...
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2025-01-01
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| author | Diana Lupulović Marija Gnjatović Jasna Prodanov-Radulović Danica Ćujić Vladimir Gajdov Milena Samojlović Tamaš Petrović |
| author_facet | Diana Lupulović Marija Gnjatović Jasna Prodanov-Radulović Danica Ćujić Vladimir Gajdov Milena Samojlović Tamaš Petrović |
| author_sort | Diana Lupulović |
| collection | DOAJ |
| description | Hepatitis E virus (HEV) is the causative agent of acute hepatitis E infection in humans. Two epidemiological patterns of the disease exist—endemic and sporadic. Genotypes 1 (HEV-1) and 2 (HEV-2) are transmitted through contaminated water and are responsible for the outbreaks of many large-scale epidemics in developing countries of Asia and Africa. Genotypes 3 (HEV-3) and 4 (HEV-4) have zoonotic potential and cause sporadic cases and small outbreaks in high-income countries. The first case of HEV infection in swine was confirmed in 1997 and later detected in other animal species. The aim of this study was to investigate the seroprevalence of HEV infection in pig farms in Vojvodina province, Serbia. Three hundred blood samples were collected from five different categories of pigs from 3 different farms on the territory of the South Bačka district in Vojvodina (Serbia). The analyses were conducted by in-house ELISA, while the western blot method was used as a confirmatory test for doubtful results. The presence of HEV IgG was detected on all three examined farms. The established seroprevalence in Farm A was 37%, 31% in Farm B, and 54% in Farm C. The mean seroprevalence for all farms was 40.66%. A higher seroprevalence was found in fatteners compared to younger categories of pigs. We concluded that HEV is widespread on pig farms with intensive management. Further analyses should be conducted with the aim of implementing a surveillance program to prevent possible human infection. |
| format | Article |
| id | doaj-art-45c514ac3c7745478ce5a9fbffa614a3 |
| institution | Kabale University |
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| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
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| series | Animals |
| spelling | doaj-art-45c514ac3c7745478ce5a9fbffa614a32025-01-24T13:17:46ZengMDPI AGAnimals2076-26152025-01-0115215110.3390/ani15020151Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, SerbiaDiana Lupulović0Marija Gnjatović1Jasna Prodanov-Radulović2Danica Ćujić3Vladimir Gajdov4Milena Samojlović5Tamaš Petrović6Institute for the Application of Nuclear Energy INEP, Banatska 31b, 11080 Zemun, SerbiaInstitute for the Application of Nuclear Energy INEP, Banatska 31b, 11080 Zemun, SerbiaScientific Veterinary Institute “Novi Sad”, Rumenački put 20, 21000 Novi Sad, SerbiaInstitute for the Application of Nuclear Energy INEP, Banatska 31b, 11080 Zemun, SerbiaScientific Veterinary Institute “Novi Sad”, Rumenački put 20, 21000 Novi Sad, SerbiaScientific Veterinary Institute “Novi Sad”, Rumenački put 20, 21000 Novi Sad, SerbiaScientific Veterinary Institute “Novi Sad”, Rumenački put 20, 21000 Novi Sad, SerbiaHepatitis E virus (HEV) is the causative agent of acute hepatitis E infection in humans. Two epidemiological patterns of the disease exist—endemic and sporadic. Genotypes 1 (HEV-1) and 2 (HEV-2) are transmitted through contaminated water and are responsible for the outbreaks of many large-scale epidemics in developing countries of Asia and Africa. Genotypes 3 (HEV-3) and 4 (HEV-4) have zoonotic potential and cause sporadic cases and small outbreaks in high-income countries. The first case of HEV infection in swine was confirmed in 1997 and later detected in other animal species. The aim of this study was to investigate the seroprevalence of HEV infection in pig farms in Vojvodina province, Serbia. Three hundred blood samples were collected from five different categories of pigs from 3 different farms on the territory of the South Bačka district in Vojvodina (Serbia). The analyses were conducted by in-house ELISA, while the western blot method was used as a confirmatory test for doubtful results. The presence of HEV IgG was detected on all three examined farms. The established seroprevalence in Farm A was 37%, 31% in Farm B, and 54% in Farm C. The mean seroprevalence for all farms was 40.66%. A higher seroprevalence was found in fatteners compared to younger categories of pigs. We concluded that HEV is widespread on pig farms with intensive management. Further analyses should be conducted with the aim of implementing a surveillance program to prevent possible human infection.https://www.mdpi.com/2076-2615/15/2/151Hepatitis E viruszoonosispigsserologyELISAwestern blot |
| spellingShingle | Diana Lupulović Marija Gnjatović Jasna Prodanov-Radulović Danica Ćujić Vladimir Gajdov Milena Samojlović Tamaš Petrović Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia Animals Hepatitis E virus zoonosis pigs serology ELISA western blot |
| title | Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia |
| title_full | Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia |
| title_fullStr | Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia |
| title_full_unstemmed | Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia |
| title_short | Seroepidemiological Survey of Hepatitis E Virus in Intensive Pig Farming in Vojvodina Province, Serbia |
| title_sort | seroepidemiological survey of hepatitis e virus in intensive pig farming in vojvodina province serbia |
| topic | Hepatitis E virus zoonosis pigs serology ELISA western blot |
| url | https://www.mdpi.com/2076-2615/15/2/151 |
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