The European Union permitted 6 antimicrobial agents that can be used in laying hens. These are colistin, tyrosine, neomycin, oxytetracycline, chlortetracycline, and erythromycin. Antimicrobial drugs today primarily for the prevention treatment of diseases poultry often (not EU) to stimulate growth. Because these irrationally, there good chances their residues will found not only meat but also e...