The Pennsylvania State University Dairy Extension team lists the following antibiotics that will no longer be available for purchase over-the-counter.
Injectable Products
Penicillins
Tetracyclines
Sulfa Antibiotics
Erythromycin
Tylosin
Lincomycin
Spectinomycin
Gentamicin
Intramammary Products (Mastitis Tubes)
Erythromycin
Penicillin
Dihydrostreptomycin
Novobiocin
Cephapirin
Cephapirin Benzathine
Oral Liquids and Boluses
Dihydrostreptomycin
Sulfa Antibiotics
Tetracyclines
Spectinomycin
Gentamicin
Eye Ointments
Gentamicin
Tetracyclines
After twenty years of trying, the vets finally got total control of how you're going to take care of your stock