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Chapter 6 Structure of Mature Oocytes

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Reproduction in Aquatic Animals

Abstract

In aquaculture, the growth and maturation of oocyte associated with the quality of egg represent a crucial point for reproductive success and therefore, for breeding in aquaculture. Knowing the components that make up an oocyte, their natural distribution and abundance in the various stages of maturation turns out to be of fundamental importance for the understanding of the oogenesis process. This chapter describes the different components present within the oocyte and their origin.

The components have been described in relation to the different phases of oocyte maturation and in several experimental models with different reproductive strategies. A focus was also addressed to the endocrine control of oocyte growth and maturation and to the detrimental effects of contaminants with hormonal activity on oocyte growth and maturation.

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Acknowledgments

The authors would like to thank Luca Marisaldi from the Università Politecnica delle Marche (Italy) for kindly providing Fig. 6.1.

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Correspondence to Oliana Carnevali .

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© 2020 Springer Nature Singapore Pte Ltd.

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Carnevali, O., Forner-Piquer, I., Gioacchini, G. (2020). Chapter 6 Structure of Mature Oocytes. In: Yoshida, M., Asturiano, J. (eds) Reproduction in Aquatic Animals. Springer, Singapore. https://doi.org/10.1007/978-981-15-2290-1_7

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