Part 1 The Biology of Veterinary Cytokines: Interferons Interleukin-1 Interleukin-2 Biology of Tumour Necrosis Factor Interleukin-6. Part 2 Prophylactic Immunopotentiation: Potentiation of the Immune Response by Cytokines Drug-induced Immunomodulation of Cytokines. Part 3 Role of Cytokines in Animal Health and Disease: Type Interferons and Their Role in Maternal Recognition of Pregnancy and Fecundity in Domestic Ruminant Species Effect of Cytokines on Drug-Metabolizing Enzymes Cytokines, Stress, and Growth Modulation Role of Cytokines in the Pathogenesis and Treatment of Respiratory Disease Role of Cytokines in Intestinal Health and Disease Role of Cytokines in Feline Retrovirus Diseases and Treatment Role of Cytokines in the Prevention and Treatment of Mastitis. Part 4 Future Directions in Veterinary Medicine Mapping Cytokine Genes in Food Animals Future Directions in Animal Cytokine Research and Applictions.