chapter 1 A General View of Drug Usage -- chapter 2 Some Pharmacokinetic Considerations -- chapter 3 Antibacterial Drugs -- chapter 4 Anthelminthic Drugs -- chapter 5 Anticoccidial and Other Antiprotozoal Drugs -- chapter 6 Antimicrobial Growth Promoters -- chapter 7 Anabolic Hormonal-Type Growth Promoters -- chapter 8 Other Drug Classes -- chapter 9 Benefits and Risks of Drug Usage -- chapter 10 Drug Residues and Public Health -- chapter 11 Safety Assessment and Control of Residues -- chapter 12 Global Harmonization of Regulatory Requirements -- chapter 13 Incidence of Violative Residues in Foods -- chapter 14 Factors Influencing the Occurrence of Residues in Foods -- chapter 15 Costs of Residues in the Livestock Industry -- chapter 16 Residue Avoidance Management -- chapter 17 Stability of Residues During Food Processing -- chapter 18 Consumer Perceptions and Concerns -- chapter 19 The Analytical Challenge -- chapter 20 Sample Preparation -- chapter 21 Derivatization -- chapter 22 Separation -- chapter 23 Detection -- chapter 24 Confirmation -- chapter 25 Validation -- chapter 26 Analytical Strategy -- chapter 27 Microbiological Methods -- chapter 28 Immunochemical Methods -- chapter 29 Physicochemical Methods -- chapter 30 Future Trends.