Abstract:
The presence of antimicrobial residues in animal products must be lower than maxim residue level (MRL), other way
may have adverse effects on consumer health such as allergic reactions and resistance development. Withdrawal periods
are used to avoid animas to be slaughter before the concentration of MRL declines with respect for public health’s and
waste food. The paper investigates the use of oxytetracycline in pigs and poultry with a focus on the differences on the
withdrawal periods for different products used in Romania. The original question is whether compliance with the
withdrawal period can be used to judge compliance with the MRL and its applicability for pigs and poultry industry.