نتایج جستجو برای: inactivated oil emulsion vaccine
تعداد نتایج: 269328 فیلتر نتایج به سال:
Since 2015, China has experienced outbreaks of severe hydropericardium syndrome (HPS), associated with a novel genotype and hypervirulent fowl adenovirus serotype 4 (FAdV-4) infection, with a prevalence in various provinces of the country. This has resulted in huge economic losses in the poultry industry. The novel FAdV-4 showed new genome characters, such as the natural deletion of open readin...
Vaccines consisting of subunit or inactivated bacteria/virus and potent adjuvants are widely used to control and prevent infectious diseases. Because inactivated and subunit antigens are often less antigenic than live microbes, a growing need exists for the development of new and improved vaccine adjuvants that can elicit rapid and long-lasting immunity. Here we describe the development and cha...
We evaluated 6 different porcine zona pellucida (PZP) preparations used as a single-shot vaccine for multiyear contraception of captive white-tailed deer (Odocoileus virginianus). The study compared 2 PZP preparation technologies from ImmunoVaccine TechnologiesTM (IVT) and National Wildlife Research Center (NWRC) over a 7-year period. The study compared both the use of oil in an emulsion and in...
The experiments aimed to develop the inactivated Newcastle disease (ND) vaccine in the form of water in oil (WO) and water in oil in water (WOW) using palm oil, which is easily found in tropical countries, and to study the effect of vitamin E in the form of dl-α-tocopheryl acetate for improving the efficacy of inactivated ND vaccine prepared from palm oil. Two hundred and twenty, thirty five da...
Determination of the avian influenza (AI) status of a flock has traditionally been done by detection of serum antibodies. However, for many diseases, detection of antibodies in egg yolk has been effective in monitoring the disease status of laying flocks. This study compared the utility of egg yolk vs. serum for determining AI status in laying hen flocks. Specific-pathogen-free white leghorn he...
In this study, reverse genetics was applied to produce vaccine candidate strains against highly pathogenic avian influenza viruses (HPAIVs) of the H5N1 subtype. The H5 subtype vaccine strains were generated by a reverse genetics method in a biosafety level 2 facility. The strain contained the HA gene from the H5N1 subtype HPAIV attenuated by genetic modification at the cleavage site, the NA gen...
influenza is a contagious viral disease that is seen in avian, human and other mammals, so its control is important. vaccination against influenza virus subtype h9n2 is one of the ways in controlling program, for this reason several vaccines has been produced. recently, application of inactivated oil-emulsion vaccines in poultry for controlling low pathogenic avian influenza is increasing. at p...
Water in oil emulsion fowl cholera vaccine was prepared using Montanide ISA-70-VG oil as alternative adjuvant to the used white mineral oil with span-80. The two vaccines were comparatively evaluated in SPF chickens. Each vaccine was inoculated in a group of 40 chickens while the third group of 40 chickens was kept as non-vaccinated control. It was noticed that the Montanide ISA-70-VG formulate...
Influenza is a contagious viral disease that is seen in avian, human and other mammals, so its control is important. Vaccination against influenza virus subtype H9N2 is one of the ways in controlling program, for this reason several vaccines has been produced. Recently, application of inactivated oil-emulsion vaccines in poultry for controlling low pathogenic avian influenza is increasing. At p...
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