Ab in Poultry

Question 1

How can Colibacillosis spread to young chicks?

Answer 1

• in embryonic stage - egg shell is infected (goes through pores)
• inhalation in hatchery (dust)

Question 2

How can Chicks get infected by Colibacillosis?

Answer 2

• infectious predisposing factor needed (mycoplasma)
• CRD -> fibrinopurulent air sacculitis –> scrambled egg
• > pericarditis, perihepatitis

Question 3

Colibacillosis in chicken cause:

• pericarditis
• perihepatits
• fibrinopurulent airsacculitis
• none
• all

Answer 3

all

Question 4

Salpingitis can be caused by

• pasteurella
• salmonella
• mycoplasma
• all

Answer 4

all

Question 5

Fowl Cholera is caused by

• E.coli
• Pasteurella multocida A
• Ornithobacterium rhinotracheale
• Clostridium

Answer 5

pasteurella multocida A

Question 6

which animals are more susceptible to fowl cholera?

• Duck, Goose
• Chicken
• Turkey

Answer 6

Waterfowls - Duck & Goose
more sensitives because in correlation with dramatic weather change
duck goose > turkey > chicken

Question 7

Fowl Cholera lead to ?

Answer 7

Petechiae, suffusions, serosal bleedings

Question 8

Ornithobacterium Rhinotracheale affects:

• lower resp tract
• upper resp tract
• none
• both

Answer 8

upper resp tract –> mucus & fibrin –> asphyxia

Question 9

Which species is the most affected by Ornithobacterium rhinotracheale?

• turkey
• chicken
• waterfowls
• all

Answer 9

turkey

Question 10

Cl.Colinum causes:

• ulcerative enteritis
• necrotic enteritis
• both
• none

Answer 10

ulcerative enteritis

Question 11

Cl. perfringens A/C causes:

• ulcerative enteritis
• necrotic enteritis
• both
• none

Answer 11

necrotic enteritis

Question 12

Which species is most affect by Cl.Colinum

• chicken
• quail
• turkey
• none
• all

Answer 12

all

Question 13

Which species is most affecte by Cl.perfringes A/C

• chicken
• quail
• turkey
• none
• all

Answer 13

chicken

Question 14

Staphylococcus aureus leads to ..?

Answer 14

first: septicaemia
delayed disease situation: arthritis
dermatitis

Question 15

M.meleagridis

• > more pathogenic in?
• > infection of?

Answer 15

1. in turkeys

2. infection of air sac -> bones -> neck, vertebrae -> CNS signs

Question 16

M.gallisepticum affects?

• turkeys
• chicken
• both
• none

Answer 16

both

Question 17

what is the role of clavulanic acid?

Answer 17

“suicide molecule” - prevents beta lactamase from destroying amoxicillin –> amox will be more effective

Question 18

Sulphonamide + ..?

• spectinomycin
• gentamycin
• Trimethoprim (diaminopyridines)
• none

Answer 18

sulphonamide + trimethoprim (diaminopyridines)

Question 19

Lincomycin +…?

• spectinomycin
• gentamycin
• Trimethoprim (diaminopyridines)
• none

Answer 19

Lincomycin + Spectinomycin

Question 20

Amoxicillin + …?

• spectinomycin
• gentamycin
• Trimethoprim (diaminopyridines)
• none

Answer 20

Gentamycin (Aminoglycoside)

Question 21

streptomycin + Tetracycline have:

• total inhibition
• mild inhibition

Answer 21

mild inhibition

Question 22

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

Answer 22

narrow spectrum penicillin

Question 23

Which narrow spectrum penicilin can used orally? (exception of the group)

• Benzylpenicillin K/Na
• Benzylpenicillin procaine
• Phenoxymethyl penicillin
• Benzylpenicillin benzathine

Answer 23

Phenoxymethyl penicillin

Question 24

Indication of narrow spectrum penicillin?

Answer 24

Cl.perfringens
swine erysipelas
streptococcus
fowl cholera (pasteurella multocida)

Question 25

Oral absorption of amoxicillin: - poor - good - mild

Answer 25

good - 60-80%

Question 26

Water acidifiers: - reduce bad bacteria in the gut - good bacteria in the gut will continue to grow - decrease efficacy of clavulanic acid - all - none

Answer 26

all

Question 27

Good bacteria in the gut: - lactobacillus - enterobacilli - none - both

Answer 27

both

Question 28

First choice medication in P.multocida & fowl cholera?

Answer 28

amoxicillin

Question 29

Indication of amoxicillin in poultry? - P.multocida, Fowl cholera - Enterococcus - O.rhinotracheale - all

Answer 29

all

Question 30

Aminoglycosides are: - hydrophilic, polarised - hydrophobic, polarised

Answer 30

hydrophilic polarised

Question 31

``` Aminoglycosides have an oral absorption of : > 5% < 5% > 15% < 15% > 50% < 50% ```

Answer 31

<5% - bad oral absorption

Question 32

Aminoglycosides are eliminated by: - liver - kidney - Bile

Answer 32

kidney

Question 33

Aminoglycosides bind to: - renal cortex - renal medulla - renale capsule

Answer 33

renal cortex

Question 34

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

Answer 34

C) Spectinomycin eliminates E.coli, lincomysin eliminates mycoplasma synergistic

Question 35

Colistin..

Answer 35

.. binds to LPS --> destroyes mb (direct killing effect)

Question 36

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

Answer 36

B) Colistin is positively charged and Outer layer of membrane is negatively charged

Question 37

Which one has the best absorption rate? - otc - ctc - doxycyline

Answer 37

doxycycline

Question 37

Which one has the best absorption rate? - otc - ctc - doxycyline

Answer 37

doxycycline

Question 38

Indication of Tetracyclines: - fowl cholera - o.rhinotracheale - mycoplasmosis - bordetella avium - all

Answer 38

all

Question 39

For Mycoplasma gallisepticum & m.synoviae, which one is correct: - Tilmicosin < tylosin < tylvalosin - tylosin < tilmicosin < tylvalosin - tylosin < tylvalosin < tilmicosin - tilmicosin < tylvalosin < tylosin

Answer 39

Tilmicosin < tylosin < tylvalosin

Question 40

O.rhinotracheale - Tilmicosin << tylosin < tylvalosin - tylosin << tilmicosin < tylvalosin - tylosin << tylvalosin < tilmicosin - tilmicosin << tylvalosin < tylosin

Answer 40

tylosin << tilmicosin < tylvalosin

Question 41

almost total resistance of pasteurella multocida & E.coli against: - tetracyclines - macrolides - both - none

Answer 41

macrolide

Question 42

Lincomycin indication

Answer 42

Staphylococcosis c.perfringens mycoplasmosis

Question 43

Tiamulin indication - none - both - mycoplasmosis - o.rhinotracheale

Answer 43

both

Question 44

Which one has a nitrogen group? - florphenicol - chloramphenicol - thiamphenicol - all

Answer 44

chloramphenicol --> dose independent aplastic anemia in hu | the other ones contain methyl sulfid group instead

Question 45

Fluoroquinolones resistance of E.Coli - poultry >> swine - swine >> poultry

Answer 45

- poultry >> swine

Question 46

PotSA toxicity leads to

Answer 46

bone marrow suppression Vit K deficiency - bleedings anemia

Question 47

Resistance against Tetracyclines:

Answer 47

> 40-90%

Question 48

Resistance against fluoroquinolones:

Answer 48

60-80%

Question 49

1 st line meds for Pasteurella multocida - Amox - florfenicol - none - both

Answer 49

both | + doxy, potSA

Question 50

2nd line meds fowl cholera - enrofloxacin - tylvalosin - both - none

Answer 50

both

Question 51

Amox, doxy & florfenicol are 1st line drugs in?

Answer 51

fowl cholera | o.rhinotracherale

Question 52

1st line drug in case of Cl.perfringens - Benzylpenicillin K/Na - Benzylpenicillin procaine - Phenoxymethyl penicillin - Benzylpenicillin benzathine

Answer 52

-Phenoxymethyl penicillin