Table 1.

The maximum residue limit (MRL) for selected antibiotics in cow’s milk [13,14].

Substance	MRL [µg/kg]	Substance	MRL [µg/kg]
β-lactam antibiotics		Sulfonamide antibiotics
Penicillin G	4	Sulfamethazine	100
Amoxicillin	4	Sulfadiazine	100
Ampicillin	4	Sulfadimethocxine	100
Oxacillin	30	Sulfaquinoxaline	100
Cloxacilliin	30	Sulfapyridine	100
Dicloxacillin	30	Sulfamethoxypyridazine	100
Nafcillin	30	Sulfamerazine	100
Cephquinome	20	Sulfachloropyridazine	100
Ceftiofur	100	Tetracycline antibiotics
Cefazolin	50	Tetracycline	100
Cefacetrile	125	Oxytetracycline	100
Cefaperazone	50	Chlorotetracycline	100
Cephapirin	60	Doxycycline	0
		Aminoglycoside antibiotics
		Kanamycin	0.4