Part I: Reproduction and Early Ontogenesis -- Reproductive Cycles in Sturgeons with a Special Focus on the Farmed Siberian Sturgeon -- Controlled Reproduction of Farmed Siberian Sturgeon Acipenser Baerii Brandt -- Siberian Sturgeon Sperm Cryoconservation -- Weaning in Siberian Sturgeon Larvae -- Part II: Ongrowing -- Food and Feeding:   Food Characteristics and Feeding Management on Sturgeon with a Special Focus on the Siberian Sturgeon -- Reasons and Possibilities of Fish Meal Replacement in the Siberian Sturgeon -- Endocrine Disruption in the Siberian Sturgeon Acipenser Baerii Fed a Soy Containing Diet -- Pre-Probiotics and Immunostimulants in the Siberian Sturgeon: Gut Microbiota and Immunomodulation -- Excretion: Nitrogen Excretion in Sturgeons with Special Emphasis on the Siberian Sturgeon: Methods, Effects of Food, Feeding and Size -- Part III. Production: Caviars: How To Describe And Compare Their Qualities? -- The Sensorial Approach: The Off Flavors Management in the Production of Farmed Sturgeon -- Fingerlings for Restocking: Artificial Reproduction of Siberian Sturgeon Fingerlings for Restocking the Siberian Rivers of the Ob-Irtysh Basin: A Synthesis -- Production: An Assessment of the Characteristics of World Production of Siberian Sturgeon Destined to Human Consumption -- Part IV: Long-Term Management of Brood Stock -- Hybrids with the Siberian Sturgeon -- Sex Control: Genome Manipulation and Sex Control in the Siberian Sturgeon: An Updated Synthesis with Regard to Objectives, Constraints and Findings -- Genetics: Genetic Variability in Farmed Brood Stocks of the Siberian in Poland -- Genetic Variability in Farmed Brood Stocks of the Siberian Sturgeon in Russia -- Part IV: State of Health -- Immunology: Immunology In Sturgeons with a Focus on the Siberian Sturgeon Mechanisms, Responses to Stress and Stimulation -- Welfare: Welfare in the Cultured Siberian Sturgeon, Acipenser Baerii Brandt: State of the Art -- The Plasmatic Indicators of the Welfare of Juveniles Siberian Sturgeon -- Part V: Ecological Risks -- Synthesis of Introduction Trials of Siberian Sturgeon in North European Part of Russia -- Synthesis of Escapements of Farmed Siberian Sturgeon in French Catchments: Some Extreme Events and a Lot Punctual Accidents -- Part VI: Specific Methods -- In Vitro Incubation of Ovarian Follicles of Cultured Siberian Sturgeon, Acipenser Baerii Brandt: A Short Practical Implementation and Its Fundamentals -- Echography for Siberian Sturgeon Brood Stock Management -- Oxygen Demand in Sturgeon Farming -- General Conclusions on Volume 2: Which Future for the Siberian Sturgeon Farming?