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Comparative investigations of infectious runting and stunting syndrome in vaccinated breeder chicks by inactivated reovirus and chicks from non-vaccinated breeders | ||
| Iranian Journal of Veterinary Research | ||
| مقاله 2، دوره 18، شماره 1 - شماره پیاپی 58، 2017، صفحه 6-12 اصل مقاله (776.09 K) | ||
| نوع مقاله: Full paper (Original article) | ||
| شناسه دیجیتال (DOI): 10.22099/ijvr.2017.4022 | ||
| نویسندگان | ||
| S. P. Awandkar1؛ S. D. Moregaonkar2؛ S. J. Manwar3؛ B. P. Kamdi* 4؛ M. B. Kulkarni5 | ||
| 1Department of Veterinary Microbiology, Nagpur Veterinary College, Maharashtra Animal and Fishery Sciences University (MAFSU), Nagpur-440006, Maharashtra State, India | ||
| 2Department of Veterinary Pathology, Bombay Veterinary College, Maharashtra Animal and Fishery Sciences University (MAFSU), Parel, Mumbai-400012, Maharashtra State, India | ||
| 3Department of Poultry Science, Post Graduate Institute of Veterinary and Animal Sciences, Maharashtra Animal and Fishery Sciences University (MAFSU), Akola-444104, Maharashtra State, India | ||
| 4Department of Veterinary Pathology, KNP College of Veterinary Sciences, Maharashtra Animal and Fishery Sciences University (MAFSU), Shirwal-412801, Maharashtra State, India | ||
| 5MVSc in Veterinary Microbiology, Department of Veterinary Microbiology, College of Veterinary and Animal Sciences, Maharashtra Animal and Fishery Sciences University (MAFSU), Udgir-413517, Maharashtra State, India | ||
| چکیده | ||
| Reoviruses are important pathogens responsible for poor growth performance and silent losses in the poultry industry. They are associated with many disease and syndromes such as malabsorption (runting and stunting syndrome), respiratory diseases and immunosuppression. Broiler birds are most susceptible to viral infections during the early post hatching period. Therefore, the transfer of maternal immunity to embryonated eggs is proved to be a primary means of protection from viral infections. In the present investigation, growth performance and pathology in breeder vaccinated and non-vaccinated chicks were studied after a challenge with the homologous malabsorption strain of the reovirus. Improvements in growth performance (mean live body weight, feed conversion ratio, broiler performance efficiency index, and protein efficiency index) in breeder vaccinated chicks were compared with non-vaccinated breeder chicks. The non vaccinated chicks showed various signs and lesions indicative of the reoviral malabsorption syndrome (MAS), whereas the vaccinated chicks showed very minimal alterations, demonstrating that the vaccination of breeders with homologous strains of the reovirus is profitable, and can help to increase the performance of broiler birds. | ||
| کلیدواژهها | ||
| Breeder؛ Malabsorption؛ Reovirus؛ Stunting | ||
| مراجع | ||
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