Homologous sequences between EDS-76 adenovirus strain 127 DNA and bovine adenovirus DNA were found by the Southern blotting technique and no homology with CELO virus DNA could be detected. These data suggest a genetic similarity between EDS-76 virus and bovine adenoviruses. The fragments generated form EDS-76 adenovirus DNA by eight restriction endonucleases were physically mapped.
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Egg Drop Syndrome 76 in a U.S. Broiler Breeder Flock.
Avian Dis
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Department of Cellular and Molecular Biotechnology, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.
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- Egg drop syndrome (EDS) is a viral disease in poultry that causes significant economic losses, primarily affecting laying hens due to an adenovirus that can spread both horizontally and vertically.
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Egg Drop Syndrome-76 (EDS-76) is a recognized disease of chickens and Japanese Quails, which is of high economic importance due to its drastic negative effects on egg production in laying birds. The aim of the present study was to better understand the EDS-76 viral disease process in Japanese quails (Coturnix coturnix japonica), since very limited studies have been conducted in this species of birds. For this purpose, an experimental study was conducted with infection of EDS-76 virus in laying Japanese quails to reveal pathology, effect on egg production/quality and immune responses of this virus in these birds.
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Trop Anim Health Prod
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Department of Veterinary Medicine, University of Nigeria, Nsukka, Nigeria.
To determine if egg drop syndrome 76 virus infection is among the causes of lowered egg productivity in commercial poultry farms in South Eastern Part of Nigeria and to know the prevalence of the infection, ten farms with history of lowered egg production in Nsukka local government area of Enugu State were randomly selected. Sera from ten hens in each of the selected farms were assayed for antibodies against EDS 76 virus by the haemagglutination-inhibition (HI) test. The mean HI titre of the ten hens in each of the farms was recorded as EDS - 76 antibody titre for the farm.
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