Morpho Metrical Evaluation of Preescapular Lymph Nodes from Cattle Vaccinated with Brucella abortus Strains S19 or RB51
نویسندگان
چکیده
منابع مشابه
Immune Response of Calves Vaccinated with Brucella abortus S19 or RB51 and Revaccinated with RB51
Brucella abortus S19 and RB51 strains have been successfully used to control bovine brucellosis worldwide; however, currently, most of our understanding of the protective immune response induced by vaccination comes from studies in mice. The aim of this study was to characterize and compare the immune responses induced in cattle prime-immunized with B. abortus S19 or RB51 and revaccinated with ...
متن کاملSerologic responses in diagnostic tests for brucellosis in cattle vaccinated with Brucella abortus 19 or RB51.
Serologic responses in the particle concentration fluorescence immunoassay and the card, complement fixation, and tube agglutination tests were measured for 10 weeks after vaccination of cattle with either Brucella abortus 19 or the lipopolysaccharide O-antigen-deficient mutant, strain RB51. The responses of strain 19-vaccinated cattle were positive, whereas those of strain RB51-vaccinated catt...
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The live attenuated Brucella abortus strain RB51 is a rifampin-resistant, lipopolysaccharide (LPS) O-chain-deficient mutant of virulent B. abortus 2308. The reduced O-chain content in RB51 prevents this bacterium from inducing antibodies detectable by the conventional serologic tests for bovine brucellosis diagnosis that mainly identify antibodies to LPS. The absence of available serologic test...
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The efficacy of Brucella abortus RB51 and hot saline extract (HSE) from Brucella ovis as antigens in complement fixation (CF) tests was comparatively evaluated in detecting immune responses of sheep vaccinated with B. abortus strain RB51. For this study, four 5-month-old sheep were vaccinated subcutaneously with 5 x 10(9) CFU of RB51, and two sheep received saline. Serum samples collected at di...
متن کاملDevelopment of a multiplex polymerase chain reaction assay for differentiation of field strain isolates and vaccine strains S19 and RB51 of Brucella in Iran
Bovine brucellosis is a zoonotic disease distributed worldwide and characterized by abortion and reducedfertility in cows. Since brucellosis eradication programme in Iran uses vaccination, test, slaughter andquarantine as control measures, it is essential to distinguish vaccine strains from strains that cause infectionsamong vaccinated cattle herds. We developed and evaluated a multiplex polyme...
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ژورنال
عنوان ژورنال: Journal of Animal and Veterinary Advances
سال: 2012
ISSN: 1680-5593
DOI: 10.3923/javaa.2012.521.525