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Open AccessReview

Characteristics and Cryopreservation of Semen of Sex-Reversed Females of Salmonid Fish

1
Department of Gametes and Embryo Biology, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland
2
Department of Ichthyology and Aquaculture, University of Warmia and Mazury in Olsztyn, Warszawska St. 117A, 10-701 Olsztyn, Poland
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2021, 22(2), 964; https://doi.org/10.3390/ijms22020964
Received: 1 December 2020 / Revised: 8 January 2021 / Accepted: 15 January 2021 / Published: 19 January 2021
(This article belongs to the Special Issue Cryopreservation of Gametes and Embryos)
Sex reversal has been used as a breeding strategy by salmonid fish to produce genetically and phenotypically single sex populations. Production of all-female fish has great importance for the creation of monosex female triploids of salmonid fish, which are valued for their sterility, lack of female maturation, and larger commercial size. Among salmonids, the majority of rainbow trout (Oncorhynchus mykiss) production is based on all-female production with a high proportion of all-female triploid production in Europe. The main aim of this review is to present the recent knowledge regarding sex-reversed females (SRFs) of salmonid fish. We discuss the methods of sex reversal as well as their effects on the morphology and histology of the reproductive tract. We focus on the characteristics of SRF semen as well as the factors determining semen quality. The lower quality of SRF sperm compared to that of normal males has resulted in the need for the artificial maturation of semen. Most importantly, methods of semen storage—both short-term and long-term (cryopreservation)—that can improve hatchery operations are presented with the special emphasis on recent progress in development of efficient cryopreservation procedures and use of cryopreserved semen in hatchery practice. Moreover, we also address the emerging knowledge concerning the proteomic investigations of salmonid sperm, focusing primarily on the proteomic comparison of normal male and SRF testicular semen and presenting changes in SRF rainbow trout sperm proteome after in vitro incubation in artificial seminal plasma. View Full-Text
Keywords: cryopreservation; masculinisation; maturation; salmonids; sex-reversed females; sperm quality cryopreservation; masculinisation; maturation; salmonids; sex-reversed females; sperm quality
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MDPI and ACS Style

Judycka, S.; Nynca, J.; Hliwa, P.; Ciereszko, A. Characteristics and Cryopreservation of Semen of Sex-Reversed Females of Salmonid Fish. Int. J. Mol. Sci. 2021, 22, 964. https://doi.org/10.3390/ijms22020964

AMA Style

Judycka S, Nynca J, Hliwa P, Ciereszko A. Characteristics and Cryopreservation of Semen of Sex-Reversed Females of Salmonid Fish. International Journal of Molecular Sciences. 2021; 22(2):964. https://doi.org/10.3390/ijms22020964

Chicago/Turabian Style

Judycka, Sylwia; Nynca, Joanna; Hliwa, Piotr; Ciereszko, Andrzej. 2021. "Characteristics and Cryopreservation of Semen of Sex-Reversed Females of Salmonid Fish" Int. J. Mol. Sci. 22, no. 2: 964. https://doi.org/10.3390/ijms22020964

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