Comparison of the first Iranian native Ornithobacterium rhinotracheale vaccine with conventional vaccine: A challenge study
نویسندگان
چکیده
منابع مشابه
Successful selection of cross-protective vaccine candidates for Ornithobacterium rhinotracheale infection.
Ornithobacterium rhinotracheale is a bacterial pathogen known for causing respiratory disease in poultry. In this study, we demonstrate for the first time that cross-protective immunity against different O. rhinotracheale serotypes can be induced by live vaccination. Sera from these live-vaccinated and cross-protected birds were used to identify new vaccine targets by screening an O. rhinotrach...
متن کاملThe use of a bacterin vaccine in broiler breeders for the control of Ornithobacterium rhinotracheale in commercial broilers.
Ornithobacterium rhinotracheale (ORT) is a recently identified bacterial pathogen of poultry, linked to the respiratory disease complex of broilers and the economic losses associated with that disease complex. Present control measures applied for the disease include the continuous use of in-feed antibiotics. A recently developed bacterin vaccine that is applied to broiler-breeder hens to pass o...
متن کاملa study on construction of iranian life tables: the case study of modified brass logit system
چکیده ندارد.
15 صفحه اولVaccination of chickens against Ornithobacterium rhinotracheale infection.
Vaccination of young broilers with inactivated vaccines against experimental Ornithobacterium rhinotracheale challenge was found to be effective, but the results of vaccination were influenced, in a negative way, by the presence of maternal antibodies. The use of a strong adjuvant, such as mineral oil, in a bacterin was necessary to obtain good protection when maternal antibodies were present. ...
متن کاملThe efficacy of a poultry commercial anticoccidial vaccine in experimental challenge with Eimeria field isolates
BACKGROUND: The control of coccidiosis in poultry industryis dominated by prophylactic chemotherapy; however,drug resistance is a serious problem. Alternative control methodssuch as vaccination have been accepted as a practical method forcontrolling coccidiosis in chickens. Considering the immunologicalvariation of Eimeria strains, the efficacy of live coccidiosisvaccines may be compromised. OB...
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ژورنال
عنوان ژورنال: Veterinary World
سال: 2020
ISSN: 2231-0916,0972-8988
DOI: 10.14202/vetworld.2020.655-660