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  • Book
    Patrick Williot, Guy Nonnotte, Mikhail Chebanov, editors.
    Summary: The Siberian sturgeon, Acipenser baerii Brandt 1869 is the most widely farmed sturgeon species. Continuing from Volume 1, which focuses on the biology of the species, the present Volume 2 in turn examines farming aspects. It is divided into six parts, the first of which deals with reproduction and early ontogenesis, i.e. reproductive cycles, controlled reproduction, sperm cryoconservation, and weaning of larvae. The second covers the growing phase with a focus on food and feeding (management, fish meal replacement, potential endocrine disruptions, usefulness of prebiotics and immunostimulants, and nitrogen excretion). Production-related data are the focus of the third part and include: characteristics (countries, structures of production, evolution in production, economic features) of the gross production of the species (meat and caviar) worldwide, a method for assessing the quality of caviars, off-flavors management, and an example of production of fingerlings for restocking. Part four addresses selected long-term management issues: genetic variability of brood stocks, genome manipulation and sex control, and the advantages of hybrids. The next three chapters constitute the fifth part, which is devoted to health status (immunology and welfare). In closing, the absence of ecological risks of introducing the species in non-native waters is shown using two long-term documented examples (Russia and France). Three methodological chapters round out the volume, covering: in vitro incubation of ovarian follicles, a richly illustrated library of echographies and photos, and a detailed presentation of oxygen demand studies.

    Contents:
    Intro; Foreword; Contents; Introduction to the Siberian Sturgeon Books with a Focus on Volume 2 Dedicated to the Farming of the Species; Acknowledgments; References; About the Editors; Part I: Reproduction and Early Ontogenesis;
    26: Reproductive Cycles in Sturgeons with a Special Focus on the Farmed Siberian Sturgeon; Introduction; 26.1 The Means to Determining the Biological Cycles and Puberty; 26.2 Biological Cycles and Puberty in Sturgeons; 26.3 Some Conclusions; References;
    27: Controlled Reproduction of Farmed Siberian Sturgeon Acipenser baerii Brandt; Introduction. 27.1 Some Reproduction-Related Sturgeon Biological Characteristics27.2 Preselection of Potential Brood Fish; 27.3 Management of Potential Future Brood Fish; 27.4 Definite Selection; 27.4.1 Males; 27.4.2 Females; 27.4.2.1 Plasmatic Indicators; 27.4.2.2 Observations of the Ovarian Follicles; 27.5 Hormonal Stimulation; 27.5.1 Possible Pre-spawning Corrections of Reproductive Status of Brood Fish; 27.5.2 Hormonal Stimulation; 27.6 Collection of Gametes; 27.7 Management of Gametes and Mating; 27.8 Treatment of Fertilized Eggs and Incubation; 27.9 Trends in the Yield of Ova. 27.10 PerspectivesReferences;
    28: Siberian Sturgeon Sperm Cryoconservation; Introduction; 28.1 Cryopreservation and Cryodamage; 28.2 Procedures Developed for Teleosts Are Not Efficient for Sturgeon; 28.3 High Quality of Semen Is Prerequisite for Successful Cryopreservation; 28.4 Methanol Is Well Suited as Cryoprotectant for Sturgeon Cryopreservation; 28.4.1 Basic Protocol Developed by Horváth and Urbányi (2000); 28.4.2 Simplified Protocol Developed by Judycka et al. (2015b); 28.5 Effects of Cryopreservation on Semen Characteristics of Siberian Sturgeon. 28.6 The Use of Cryopreserved SemenReferences;
    29: Weaning in Siberian Sturgeon Larvae; 29.1 The Onset of Exogenous Feeding; References; Part II: Ongrowing;
    30: Food Characteristics and Feeding Management on Sturgeon with a Special Focus on the Siberian Sturgeon; 30.1 Sturgeon Feeding Under Aquaculture Conditions; 30.1.1 Feeding of Larvae; 30.1.2 Feeding of Juveniles; 30.1.3 Feeding Sturgeon for Meat and Caviar; References;
    31: Reasons and Possibilities of Fish Meal Replacement in the Siberian Sturgeon; 31.1 Alternative Proteins Currently Used in Siberian Sturgeon Nutrition. 31.2 PerspectivesReferences;
    32: Endocrine Disruption in the Siberian Sturgeon Acipenser baerii Fed with a Soy-Containing Diet; 32.1 Blood Biomarkers of Fish Reproductive Endocrine Physiology; 32.2 Estrogen Contamination in the French Fish-Farm Conditions; 32.3 The Differences Between Sturgeon and Trout on Their Sensitivity to Phytoestrogens; 32.4 Bioavailability of Phytoestrogens Is the Clue; 32.5 Sex Steroids in the Siberian Sturgeon; 32.5.1 Estradiol; 32.5.2 11-Ketotestosterone; 32.6 Soy Phytoestrogens and Teleost Fish Reproduction.
    Digital Access Springer 2018