Ab in Poultry Flashcards
How can Colibacillosis spread to young chicks?
- in embryonic stage - egg shell is infected (goes through pores)
- inhalation in hatchery (dust)
How can Chicks get infected by Colibacillosis?
- infectious predisposing factor needed (mycoplasma)
- CRD -> fibrinopurulent air sacculitis –> scrambled egg
- > pericarditis, perihepatitis
Colibacillosis in chicken cause:
- pericarditis
- perihepatits
- fibrinopurulent airsacculitis
- none
- all
all
Salpingitis can be caused by
- pasteurella
- salmonella
- mycoplasma
- all
all
Fowl Cholera is caused by
- E.coli
- Pasteurella multocida A
- Ornithobacterium rhinotracheale
- Clostridium
pasteurella multocida A
which animals are more susceptible to fowl cholera?
- Duck, Goose
- Chicken
- Turkey
Waterfowls - Duck & Goose
more sensitives because in correlation with dramatic weather change
duck goose > turkey > chicken
Fowl Cholera lead to ?
Petechiae, suffusions, serosal bleedings
Ornithobacterium Rhinotracheale affects:
- lower resp tract
- upper resp tract
- none
- both
upper resp tract –> mucus & fibrin –> asphyxia
Which species is the most affected by Ornithobacterium rhinotracheale?
- turkey
- chicken
- waterfowls
- all
turkey
Cl.Colinum causes:
- ulcerative enteritis
- necrotic enteritis
- both
- none
ulcerative enteritis
Cl. perfringens A/C causes:
- ulcerative enteritis
- necrotic enteritis
- both
- none
necrotic enteritis
Which species is most affect by Cl.Colinum
- chicken
- quail
- turkey
- none
- all
all
Which species is most affecte by Cl.perfringes A/C
- chicken
- quail
- turkey
- none
- all
chicken
Staphylococcus aureus leads to ..?
first: septicaemia
delayed disease situation: arthritis
dermatitis
M.meleagridis
- > more pathogenic in?
- > infection of?
- in turkeys
2. infection of air sac -> bones -> neck, vertebrae -> CNS signs
M.gallisepticum affects?
- turkeys
- chicken
- both
- none
both
what is the role of clavulanic acid?
“suicide molecule” - prevents beta lactamase from destroying amoxicillin –> amox will be more effective
Sulphonamide + ..?
- spectinomycin
- gentamycin
- Trimethoprim (diaminopyridines)
- none
sulphonamide + trimethoprim (diaminopyridines)
Lincomycin +…?
- spectinomycin
- gentamycin
- Trimethoprim (diaminopyridines)
- none
Lincomycin + Spectinomycin
Amoxicillin + …?
- spectinomycin
- gentamycin
- Trimethoprim (diaminopyridines)
- none
Gentamycin (Aminoglycoside)
streptomycin + Tetracycline have:
- total inhibition
- mild inhibition
mild inhibition
Which Ab are not available for oral use, because they are destroyed by stomach acid ?
- broad spectrum penicillin
- narrow spectrum penicillin
- Penicillinase stable penicillin
- penicillins acting against pseudomonas
narrow spectrum penicillin
Which narrow spectrum penicilin can used orally? (exception of the group)
- Benzylpenicillin K/Na
- Benzylpenicillin procaine
- Phenoxymethyl penicillin
- Benzylpenicillin benzathine
Phenoxymethyl penicillin
Indication of narrow spectrum penicillin?
Cl.perfringens
swine erysipelas
streptococcus
fowl cholera (pasteurella multocida)
Oral absorption of amoxicillin:
- poor
- good
- mild
good - 60-80%
Water acidifiers:
- reduce bad bacteria in the gut
- good bacteria in the gut will continue to grow
- decrease efficacy of clavulanic acid
- all
- none
all
Good bacteria in the gut:
- lactobacillus
- enterobacilli
- none
- both
both
First choice medication in P.multocida & fowl cholera?
amoxicillin
Indication of amoxicillin in poultry?
- P.multocida, Fowl cholera
- Enterococcus
- O.rhinotracheale
- all
all
Aminoglycosides are:
- hydrophilic, polarised
- hydrophobic, polarised
hydrophilic polarised
Aminoglycosides have an oral absorption of : > 5% < 5% > 15% < 15% > 50% < 50%
<5% - bad oral absorption
Aminoglycosides are eliminated by:
- liver
- kidney
- Bile
kidney
Aminoglycosides bind to:
- renal cortex
- renal medulla
- renale capsule
renal cortex
Which is true?
A) Spectinomycin eliminates mycoplasma & lincomycin eliminates Coli
B) Spectinomycin eliminates E.coli, lincomysin eliminates Coli
C) Spectinomycin eliminates E.coli, lincomysin eliminates mycoplasma
D) Spectinomycin eliminates mycoplasma, lincomysin eliminates Coli mycoplasma
C) Spectinomycin eliminates E.coli, lincomysin eliminates mycoplasma
synergistic
Colistin..
.. binds to LPS –> destroyes mb (direct killing effect)
Which one is true :
A) Colistin is negatively charged and Outer layer of membrane is negatively charged
B) Colistin is positively charged and Outer layer of membrane is negatively charged
C) Colistin is negatively charged and Outer layer of membrane is positively charged
D) Colistin is positively charged and Outer layer of membrane is positively charged
B) Colistin is positively charged and Outer layer of membrane is negatively charged
Which one has the best absorption rate?
- otc
- ctc
- doxycyline
doxycycline
Which one has the best absorption rate?
- otc
- ctc
- doxycyline
doxycycline
Indication of Tetracyclines:
- fowl cholera
- o.rhinotracheale
- mycoplasmosis
- bordetella avium
- all
all
For Mycoplasma gallisepticum & m.synoviae, which one is correct:
- Tilmicosin < tylosin < tylvalosin
- tylosin < tilmicosin < tylvalosin
- tylosin < tylvalosin < tilmicosin
- tilmicosin < tylvalosin < tylosin
Tilmicosin < tylosin < tylvalosin
O.rhinotracheale
- Tilmicosin «_space;tylosin < tylvalosin
- tylosin «_space;tilmicosin < tylvalosin
- tylosin «_space;tylvalosin < tilmicosin
- tilmicosin «_space;tylvalosin < tylosin
tylosin «_space;tilmicosin < tylvalosin
almost total resistance of pasteurella multocida & E.coli against:
- tetracyclines
- macrolides
- both
- none
macrolide
Lincomycin indication
Staphylococcosis
c.perfringens
mycoplasmosis
Tiamulin indication
- none
- both
- mycoplasmosis
- o.rhinotracheale
both
Which one has a nitrogen group?
- florphenicol
- chloramphenicol
- thiamphenicol
- all
chloramphenicol –> dose independent aplastic anemia in hu
the other ones contain methyl sulfid group instead
Fluoroquinolones resistance of E.Coli
- poultry»_space; swine
- swine»_space; poultry
- poultry»_space; swine
PotSA toxicity leads to
bone marrow suppression
Vit K deficiency - bleedings
anemia
Resistance against Tetracyclines:
> 40-90%
Resistance against fluoroquinolones:
60-80%
1 st line meds for Pasteurella multocida
- Amox
- florfenicol
- none
- both
both
+ doxy, potSA
2nd line meds fowl cholera
- enrofloxacin
- tylvalosin
- both
- none
both
Amox, doxy & florfenicol are 1st line drugs in?
fowl cholera
o.rhinotracherale
1st line drug in case of Cl.perfringens
- Benzylpenicillin K/Na
- Benzylpenicillin procaine
- Phenoxymethyl penicillin
- Benzylpenicillin benzathine
-Phenoxymethyl penicillin
