Demand of the owner or trainer
Clinical or professional experience
Bacterial culture and sensitivity results
Price or profit margin of the VMP
Marketing offers (e.g. bonus packages) and/or advertising
Guidance/codes of practice or legal/official restrictions on use
Inclusion of responsible use precautions in the product data sheet (Specified Product Characteristics)
Route or ease of administration
Sustainable use of antimicrobials in the veterinary medicine
How quickly/easily the product can be obtained