Hormone and Receptor Structure and Function Introduction * Synthesis, Release and Metabolism of Hormones * Receptors and Hormone Action * Pituitary-Hypothalamic Integration of Hormone Action * Endocrine Methodologies * Methods for Studying Endocrine Function * Measurement of Hormones and Receptors * Methods for the Production of Hormones * Manipulation of Endocrine Function * Manipulation of Growth and Carcass Composition * Overview * Anabolic Steroids and Analogues * Use of Intact (Uncastrated) Male Pigs * Somatotropin * b-Adrenergic Agonists * Thyroid Hormones * Dietary Polyunsaturated Fatty Acids * Leptin * Cholecystokinin and Appetite * Antibiotics, Antimicrobials and Other Factors * Endocrine Effects on Animal Products * Mammary Gland Development and Milk Production * Egg Production * Wool Production and Endocrine Defleecing * Endocrine Manipulation of Reproduction * Manipulation of Reproduction in Mammals * Endocrine Manipulations in Aquaculture * Effects on Animal Behaviour, Health and Welfare * Control of broodiness in Poultry * Applications of Pheromones * Effects of Stress * Endocrine Applications in Toxicology.