نتایج جستجو برای: infectious bursal disease vaccine
تعداد نتایج: 1619595 فیلتر نتایج به سال:
An attempt was made to standardize an in-house immuno-enzyme assay for measuring antibodies of infectious bursal disease virus (IBDV) in chicken. The test was performed after coating plates with ELISA antigens prepared by two methods. Antigen “A” was prepared from infectious bursal disease virus infected chicken embryo fibroblasts culture by concentration with dialysis against PEG-6000 while an...
Infectious bursal disease (IBD), also known as Gumboro disease, is a globally well-known disease with a significant socio-economic effect. For control of IBD, several commercial egg- and cell-based vaccines are prepared. The cell-based IBD vaccines are significantly cost-effective; however, it is essential to confirm their safety and efficacy. The main cell line used to product the cell-based I...
Infectious bursal disease (IBD) (Gumboro disease) has been described throughout the world, and the socio-economic significance of the disease is considerable world-wide. Various forms of the disease have been described, but typing remains unclear, since antigenic and pathotypic criteria are used indiscriminately, and the true incidence of different types is difficult to determine. Moreover, the...
Sangdu oral liquid (MFEC), a kind of traditional Chinese medicine, is used as new immune enhancer for veterinary drugs or vaccines. In current study, we aimed to evaluate the effect and mechanism MFEC on improving response B87 vaccine. Eighty SPF chickens were divided into blank control group (BC group), infectious bursal disease virus (IBDV) (IBDV vaccine (B87+IBDV group) combination (MFEC+B87...
infectious bursal disease (ibd) is an economically important viral disease of chickens with worldwide distribution which suppresses the immune system of young chickens. vp2 is the major host-protective protein of infectious bursal disease virus (ibdv). the encoding region of vp2 protein was pcr amplified from a plasmid containing a cdna fragment of large genomic segment of ibdv, strain d78. thi...
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