Prudent exam, from ppt Flashcards
Susceptibility in P. multocida (Cattle)
Tulathromycin:
Gamithromycin:
Tilmicosin:
Tulathromycin: 95%
Gamithromycin: 95%
Tilmicosin: 80%
Lung:Plasma Tilmicosin: Tulathromycin: Gamithromycin: Tildipirosin:
Tilmicosin: 30-60x
Tulathromycin: 50-180x
Gamithromycin: 480x
Tildipirosin: X
Which mode of action drug should be given IV?
Concentration dependent bactericidal agents
Which mode of action drug should be given IM, SC
Time dependent bactericidal
Which drugs have bad distribution?
Penicillin, cephalosporin, aminoglycoside
Will not penetrate the lungs
Which AB can be used for respiratory diseases in ruminants (M. bovis)
Tulathromycin Gamithromycin Tildipirosin Florfenicol Fluoroquinolones
Interdigital dermatitis treatment options
Zinc/copper sulphate + cationic degergent
Tetracyclines (cattle less susceptible, overuse)
NSAIDs
Which AB can be used for F. necrophorum and anaerobic (Ruminants)
Amoxicillin Amoxicillin clavulanic acid Tetracycline Lincomycin Tylosine Tulathromycin Ceftiofur/Cefquinome Florfenicol
Mild case calf diarrhoea, what AB can be used (PO)
Amoxicillin (Main one)
Fluoroquinolones
Aminoglycoside
Colistin
Severe case calf diarrhoea, what AB can be used (IV)
Ceftiofur (High dose)
Amoxicillin (Sheep), Amoxicillin clavulanic acid
Fluoroquinolones (Enro and Marbo)
Mastitis, when is the cow at risk?
Involution: increased susceptibility to Gr+
Transition: increased susceptibility to Gr-
Systemic treatment of clinical mastitis
Fluoroquinolones IV (Marbo, Enro)
Tetracyclines IV
Pot. SA IV
Intramammary treatment of clinical mastitis (staph, Strep. E.coli)
Ampicillin + cloxacillin Cefalexin, cephapirin Amoxicillin clavulanic acid Cefoperazone Cefquinome
Which drug groups are off-label in Poultry
Gen 3 & 4 Cephalosporins
Gen 1 & 2 Cephalosporins
Amoxicillin clavulanic acid
Which drugs have synergistic effect?
Sulphonamide + Trimethoprim
Lincomycin + Spectinomycin
Amoxicillin + Gentamycin
Which narrow spectrum penicillin has good oral bioavailability?
Phenoxymethylpenicillin
What can we use narrow spectrum penicillins for?
Swine erysipelas
Streptococcosis
Fowl cholera
If going off label, what is the WP
1,5 times as long WP as the longest for cattle
What can we use broad spectrum penicillins for?
Clostridium Erysipelas FIRST CHOICE: Fowl cholera O. rhinotracheale Enterococcus
What is the WP for Amoxicillin in poultry?
1-2 weeks
Spectinomycin, which bacteria is/are sensitive?
Mycoplasma is sensitive
Generally: quick resistance is developed
What can we use tetracyclines for?
Fowl cholera
O. rhinotracheale
Mycoplasmosis
Bordetella avium
What can we use Macrolides for?
C. perfringens E. rhusiopathiae Staphylococcus spp. Mycoplasma gallisepticum and synoviae O. rhinotracheale
Which bacteria has almost total resistance against Macrolides?
Pasteurella multocida
E. coli
What can we use Lincosamides for?
Mycoplasmosis
C. perfringens
Staphylococcosis
What can we use Pleuromutilins for?
Mycoplasmosis (Tiamulin)
O. rhinotracheale
Pleuromutilins are incompatible with:
Ionophores
Can we use Chloramphenicol in food producing animals?
NO!
What can we use Florfeniol for?
Mycoplasmosis
Respiratory infections (Ornithobacterium)
Fowl cholera
E. coli
Which side effects can you get using Pot. SA?
Bone marrow suppression
Vitamin K deficiency
What can we use Pot. SA for?
P. multocida
B. avium
Not effecting against Mycoplasma!