The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>)
Freshwater fish species play an important role in global aquaculture. Currently, sturgeon, carp, and tilapia are at the forefront of this industry. However, as human populations continue to grow, the demand for new sources of animal protein increases, making the use of other freshwater species in aq...
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2025-05-01
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| author | Anatoliy Lyutikov Alexander Korolev Artem Trifonov Anastasia Zubareva Artem Nedoluzhko |
| author_facet | Anatoliy Lyutikov Alexander Korolev Artem Trifonov Anastasia Zubareva Artem Nedoluzhko |
| author_sort | Anatoliy Lyutikov |
| collection | DOAJ |
| description | Freshwater fish species play an important role in global aquaculture. Currently, sturgeon, carp, and tilapia are at the forefront of this industry. However, as human populations continue to grow, the demand for new sources of animal protein increases, making the use of other freshwater species in aquaculture essential. The pikeperch (<i>Sander lucioperca</i>) is one of the most promising fish species for European aquaculture, but its usage has been hindered by a lack of effective larval-rearing protocols. Most studies focus on using cultured or nutrient-rich zooplankton for larval cultivation, while natural zooplankton from the local environment are rarely used. In this study, we aim to investigate the nutritional requirements of pikeperch larvae by describing the taxonomic diversity and biochemical composition of zooplankton collected from a natural oligotrophic lake in Northwest Russia. The chemical composition of zooplankton is characterized by a high protein content (up to 70% of dry matter), a moderate lipid content (up to 25%), and a deficiency of certain fatty acids and amino acids. Specifically, there is a low concentration of docosahexaenoic acid and methionine. The dry matter content in the zooplankton averages 10%, with nitrogen-free extracts accounting for 4% and ash making up 4%. These biochemical parameters meet the nutritional requirements of freshwater pikeperch larvae, with the notable exception of the lower levels of DHA and methionine, which are typically characteristic of freshwater zooplankton. This information sheds light on the nutritional requirements of pikeperch larvae and the development of more efficient rearing methods. |
| format | Article |
| id | doaj-art-9f3dfc7f60f8433aa864fa3da3297161 |
| institution | Kabale University |
| issn | 2673-9917 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Hydrobiology |
| spelling | doaj-art-9f3dfc7f60f8433aa864fa3da32971612025-08-20T03:27:18ZengMDPI AGHydrobiology2673-99172025-05-01421310.3390/hydrobiology4020013The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>)Anatoliy Lyutikov0Alexander Korolev1Artem Trifonov2Anastasia Zubareva3Artem Nedoluzhko4Saint Petersburg Branch of “VNIRO”, “GosNIORH” Named After L.S. Berg, St. Petersburg 199053, RussiaSaint Petersburg Branch of “VNIRO”, “GosNIORH” Named After L.S. Berg, St. Petersburg 199053, RussiaSaint Petersburg Branch of “VNIRO”, “GosNIORH” Named After L.S. Berg, St. Petersburg 199053, RussiaInstitute of Macromolecular Compounds, Branch of Petersburg Nuclear Physics Institute Named by B.P. Konstantinov, National Research Centre Kurchatov Institute, St. Petersburg 199004, RussiaPaleogenomics Laboratory, European University at Saint Petersburg, St. Petersburg 191187, RussiaFreshwater fish species play an important role in global aquaculture. Currently, sturgeon, carp, and tilapia are at the forefront of this industry. However, as human populations continue to grow, the demand for new sources of animal protein increases, making the use of other freshwater species in aquaculture essential. The pikeperch (<i>Sander lucioperca</i>) is one of the most promising fish species for European aquaculture, but its usage has been hindered by a lack of effective larval-rearing protocols. Most studies focus on using cultured or nutrient-rich zooplankton for larval cultivation, while natural zooplankton from the local environment are rarely used. In this study, we aim to investigate the nutritional requirements of pikeperch larvae by describing the taxonomic diversity and biochemical composition of zooplankton collected from a natural oligotrophic lake in Northwest Russia. The chemical composition of zooplankton is characterized by a high protein content (up to 70% of dry matter), a moderate lipid content (up to 25%), and a deficiency of certain fatty acids and amino acids. Specifically, there is a low concentration of docosahexaenoic acid and methionine. The dry matter content in the zooplankton averages 10%, with nitrogen-free extracts accounting for 4% and ash making up 4%. These biochemical parameters meet the nutritional requirements of freshwater pikeperch larvae, with the notable exception of the lower levels of DHA and methionine, which are typically characteristic of freshwater zooplankton. This information sheds light on the nutritional requirements of pikeperch larvae and the development of more efficient rearing methods.https://www.mdpi.com/2673-9917/4/2/13zooplanktonpikeperch larvaenutritional requirementssurvival ratedietary composition |
| spellingShingle | Anatoliy Lyutikov Alexander Korolev Artem Trifonov Anastasia Zubareva Artem Nedoluzhko The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>) Hydrobiology zooplankton pikeperch larvae nutritional requirements survival rate dietary composition |
| title | The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>) |
| title_full | The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>) |
| title_fullStr | The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>) |
| title_full_unstemmed | The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>) |
| title_short | The Diversity and Biochemical Composition of Zooplankton as a Potential Indicator of Dietary Requirements for Pikeperch Larvae (<i>Sander lucioperca</i>) |
| title_sort | diversity and biochemical composition of zooplankton as a potential indicator of dietary requirements for pikeperch larvae i sander lucioperca i |
| topic | zooplankton pikeperch larvae nutritional requirements survival rate dietary composition |
| url | https://www.mdpi.com/2673-9917/4/2/13 |
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