Effect of diet composition on maturation rate of female Atlantic salmon (Salmo salar) during gonadal maturation

Pérez-Atehortúa, Maritza; Hernández, Adrián J.; Risopatrón, Jennie; Farías, Jorge; Villalobos, Elías Figueroa; Valdebenito, Iván

doi:10.1016/j.aquaculture.2023.740513

Aquaculture

2024

DOI: 10.1016/j.aquaculture.2023.740513

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Effect of diet composition on maturation rate of female Atlantic salmon (Salmo salar) during gonadal maturation

Maritza Pérez-Atehortúa,

Adrián J. Hernández,

Jennie Risopatrón

et al.

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Cited by 2 publications

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The presence of inclusions in blastodiscs of coho salmon embryos (Oncorhynchus kisutch) is associated with low rates of fertility and embryo survival

Sandoval-Vargas,

Pérez-Atehortúa,

Villalobos

et al. 2025

Aquaculture

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The presence of inclusions in blastodiscs of coho salmon embryos (Oncorhynchus kisutch) is associated with low rates of fertility and embryo survival

Sandoval-Vargas,

Pérez-Atehortúa,

Villalobos

et al. 2025

Aquaculture

View full text Add to dashboard Cite

Influence of Dietary Fatty Acids on Fish Sperm Tolerance to Cryopreservation

Figueroa Villalobos,

Pereira,

Pérez‐Atehortúa

et al. 2024

Reviews in Aquaculture

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To meet growing fish demand, aquaculture must develop sustainable, cost‐effective, and high‐performance fish feed formulations for industry advancement. Plant‐based lipids are a viable alternative to forage fish ingredients in finfish diets. However, most plant‐derived lipids lack long‐chain polyunsaturated fatty acids (LC‐PUFA) like EPA and DHA, which are nutritionally essential for fish. This review summarizes recent findings on the nutritional aspects of fish brood stock and sperm quality, emphasizing the effects of fatty acids on reproductive outcomes. Studies indicate that substituting fish oil with plant oils alters the fatty acid profiles in fish tissues and gametes, potentially compromising sperm quality, cryopreservation success, and progeny viability. Sperm membrane lipids, including EPA, DHA, and ARA, are vital for motility and fertilization rates post‐thaw. Additionally, cryopreservation has been linked to molecular and epigenetic alterations in sperm, which may negatively affect offspring quality. The role of mRNA and noncoding RNA in regulating sperm function and embryonic development is well known, and thus any damage to these molecules as a consequence of cryopreservation might induce long‐term effects on offspring. Proteomic analyses reveal that cryopreservation can lead to significant protein loss in sperm, diminishing their functional and fertilization capabilities. Optimizing cryoprotectant protocols and freezing techniques is crucial to reduce damage, while dietary fatty acids play a key role in preserving sperm quality during cryopreservation stress. Further research with omic technologies is crucial to fully understand sperm tolerance to cryopreservation, which will improve reproductive outcomes and enhance sustainability and quality in aquaculture.

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Effect of diet composition on maturation rate of female Atlantic salmon (Salmo salar) during gonadal maturation

Cited by 2 publications

References 50 publications

The presence of inclusions in blastodiscs of coho salmon embryos (Oncorhynchus kisutch) is associated with low rates of fertility and embryo survival

The presence of inclusions in blastodiscs of coho salmon embryos (Oncorhynchus kisutch) is associated with low rates of fertility and embryo survival

Influence of Dietary Fatty Acids on Fish Sperm Tolerance to Cryopreservation

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