15. therio- antibiotics

What abx can be used in dairy cattle for Gram ± and anaerobes?

Beta lactams (Penicillin/Ampicillin)

Cephalosporins (Ceftiofur)

Tetracyclines 

What abx can be used in dairy cattle and also target protozoa, rickettsia, mycoplasma, chlamydia?

Tetracyclines

Tetracyclines can be used in dairy cattle to target what pathogens?

Gm ±, anaerobes, protozoa, rickettsia, mycoplasma, chlamydia

What abx is NOT for use in LACTATING dairy cattle?

Macrolides (Tulathromycin)

Florfenicol

Fluoroquinolones (Enrofloxacin)

Sulfonamides (TMS)

What can Macrolides (Tulathromycin) treat?

• non-lactating dairy cattle

• some Gm -

• Gm+

• anaerobes

• mycoplasma

• chlamydia

What can Florfenicol treat?

• non-lactating dairy cattle

• Gm ±

• anaerobes

True or False? Enrofloxacin can be used off-label.

False. Enrofloxacin CANNOT be used off-label. ONly used in non-lactating dairy cattle, treating some gm+ (staph), gm-, mycoplasma, chlamydia, rickettsia

What can Sulfonamides (TMS) treat?

• non-lactating dairy cattle 

• gm±

• anaerobes

• protozoa/coccidia

____ is not used due to ___ month withdrawal period. 

Aminoglycosides (Gentamicin)

24 

True or False? Nitroimidazoles (Metronidazole) can be used in non-lactating dairy cattle. 

False. CANNOT be used in any food animal.