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Infectious bursal disease is seen in young domestic chickens worldwide and is caused by infectious bursal disease virus (IBDV). Clinical signs include listlessness, watery diarrhea, ruffled feathers, and dehydration. Morbidity rate is high and mortality rate is usually low, but some virulent strains cause mortality rates of 60% or higher. Macroscopic and microscopic lesions in the cloacal bursa and molecular identification of the viral genome are used for diagnosis. Vectored and attenuated live virus vaccines can be used to induce active immunity in chicks as the maternal antibodies wane. Infectious bursal disease is an economically important viral disease of young domestic chickens worldwide. Infectious bursal disease was first identified in Gumboro, Delaware, in 1962. Infectious bursal disease affects young domestic chickens worldwide. Classical strains predominated until the emergence of variant IBDV strains in 1986.
Dear all salam I'm veternarian from Iraq and work as assistant lecturer in agriculture college work on vaccination programm against IBD and IB diseases i need any new researchs about this topic if any one can help me with my regards. ...
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Infectious bursal disease (IBD) is an acute and highly contagious viral infection of immature chickens. IBD is characterized by destruction of lymphocytes in the bursa of Fabricius (BF) and to a lesser extent in other lymphoid organs. The disease is a major problem in concentrated poultry production areas throughout the world. However, it is often not recognized due to a subclinical form. Affected chickens have reduced antibody response to vaccinations, strong...
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Gumboro disease is one of the major diseases of chickens and is present in most of the chicken producing countries. Infection can seldom be avoided, mostly due to the high resistance of its causative agent in the environment, and vaccination is the only way to prevent the possibly heavy corresponding negative consequences. This video summarizes the key points to consider for the establishment of a sound vaccination program, including presentation of the types of vaccines and vaccination...
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Introduction Infectious bursal disease is an acute, highly contagious disease of young chickens, resulting in immunosuppression and mortality (Toro et al ., 2009; van den Berg et al ., 2000; Di Fabio et al ., 1999). The viral genome codifies for 5 proteins. Viral protein 2 (VP2) is the main structural protein of the capsid, where the neutralizing epitopes...
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The Ohio State University Center for Diagnostic Assays announces a significant diagnostic discovery. Animal Health Scientist, Daral Jackwood, Ph.D. has developed a validated REAL-TIME RT-PCR ASSAY (patent pending) for the rapid detection of nucleotide sequences that are unique to very virulent Infectious Bursal Disease Virus (vvIBDV) strains affecting the poultry industry. This new assay distinguishes vvIBDV strains from non-vvIBDV classic and variant strains. IBDV is one of the most...
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