Current overview of feed additives and veterinary drugs and their residual analysis.

As agricultural and maricultural production have increasingly become an industrial operation, antibacterial agents and antibiotics have been used as feed additives and veterinary drugs for the efficiency of feed utilization and increasing growth rate or for therapeutic, prophylactic and diagnostic purposes. In addition, the anabolic agents were used for the improvement of beef production. This review describes the current overview of these drugs allowed and used for animal and fish with respect to the legal regulation and proper use. The residual analysis of these drugs in foods for the purposes of screening, identification, and quantification were also discussed.