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Pakistan Journal of Biological Sciences
  Year: 2014 | Volume: 17 | Issue: 6 | Page No.: 821-828
DOI: 10.3923/pjbs.2014.821.828
Egg Drop Syndrome-76 (EDS-76) in Japanese Quails (Coturnix coturnix japonica): An Experimental Study Revealing Pathology, Effect on Egg Production/Quality and Immune Responses
Narayan Mohapatra, Jag Mohan Kataria, Sandip Chakraborty and Kuldeep Dhama

Abstract:
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. By 7, 9 and 13-15 Days Post Infection (DPI), drop as well as aberrant egg production and lower mean egg quality were observed compared to control birds. Significant histopathological changes were observed in genitalia and spleen. Haemagglutination Inhibition (HI) and Enzyme Linked Immunosorbant Assay (ELISA) titres rose rapidly by 2nd week when it became maximum; thereafter declined and maintained at low levels up to 10 week post infection. The mean total protein values in infected quail gradually increased to 4.10±0.05/100 mL without any change in mean albumen value at 12 DPI. In conclusion, the course of the EDS-76 is significant not only in chickens but also in quails even though it occurs occasionally in quails. Explorative pathological, blood biochemical and immunological studies are suggested during EDS-76 viral disease course in quails. This would aid in formulating effective disease prevention and control measures for this economically important disease of poultry.
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How to cite this article:

Narayan Mohapatra, Jag Mohan Kataria, Sandip Chakraborty and Kuldeep Dhama, 2014. Egg Drop Syndrome-76 (EDS-76) in Japanese Quails (Coturnix coturnix japonica): An Experimental Study Revealing Pathology, Effect on Egg Production/Quality and Immune Responses. Pakistan Journal of Biological Sciences, 17: 821-828.

DOI: 10.3923/pjbs.2014.821.828

URL: https://scialert.net/abstract/?doi=pjbs.2014.821.828

 
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