Microbiology
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dsRNA found in family-
Reoviridae
Swine fever is caused by
Flavi virus
Graft rejection is an example of : (1) Antibody mediated immunity (2) Immunotolerance (3) Anaphylaxis (4) Cell mediated immune response
4
main virulence factor of shigellae
endotoxin
Clostridium tetani is:
Obligate anaerobe
Which antibody crosses placenta in dogs?
IgG 📘 IgG provides passive immunity in dogs; also transferred via colostrum in species where placental transfer is limited.
Which vaccine is live attenuated? a) Anthrax b) Brucella c) Rabies (cell culture) d) FMD
b) Brucella 📘 Brucella abortus strain 19 is a live attenuated vaccine given to female calves.
Which test confirms TB in cattle?
CIDT (Comparative Intradermal Tuberculin test) 📘 Inject PPD bovine and avian on neck → measure swelling to distinguish M. bovis infection.
Endotheliotropic herpesvirus in elephants causes:
Hemorrhagic disease
bird seed agar
bird seed agar
candida
A:M antigen ratio in brucella abortus
1:20
Tobins medium used for
trichomonas
‘Quellung reaction’ is used to detect:
capsules
Selective media for Salmonella:
SS agar
spoligo test for which disease
paraTB
Ames test
Samonella
kanagawa test for which disease
vibriosis
halothane test
porcine stress syndrome
cofal test
lymphoid leukosis
nagler reaction
Clostridium perfringens
stromy clot test
C. perfringens
weil felix test
rickettsia
tricin test done for
trichomoniasis