Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System
This study investigated the effects of dietary iron supplementation on water quality, plant growth, and fish health in an aquaponic system over 90 days. Iron supplementation significantly improved plant growth, with increased plant height, stem diameter, leaf count, and fruit yield in tomatoes (<...
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MDPI AG
2025-03-01
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| Online Access: | https://www.mdpi.com/2076-2615/15/6/792 |
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| author | Yu Liu Zhipeng Dou Chengwei Ji Qingbo Zhou Jun Zhao Ke Wang Chao Chen Qing Liu |
| author_facet | Yu Liu Zhipeng Dou Chengwei Ji Qingbo Zhou Jun Zhao Ke Wang Chao Chen Qing Liu |
| author_sort | Yu Liu |
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| description | This study investigated the effects of dietary iron supplementation on water quality, plant growth, and fish health in an aquaponic system over 90 days. Iron supplementation significantly improved plant growth, with increased plant height, stem diameter, leaf count, and fruit yield in tomatoes (<i>Solanum lycopersicum</i>) and pak choi (<i>Brassica rapa subsp. Chinensis</i>) (<i>p</i> < 0.05). The water pH fluctuated with varying iron content, and higher iron levels promoted better plant growth by improving iron availability (<i>p</i> < 0.05). During the first 60 days, all red blood cell counts and hemoglobin levels increased, but the growth and nutritional composition of mirror carp (<i>Cyprinus carpio var. specularis</i>) showed no significant differences. By day 90, fish in the T3 group (800 mg/kg iron) exhibited significantly reduced growth and feed conversion rates (<i>p</i> < 0.05). Histological analysis of liver tissue indicated iron-induced liver damage; additionally, excessive iron intake suppressed erythropoiesis, leading to lower red blood cell counts and hemoglobin levels (<i>p</i> < 0.05). The results indicate that moderate iron supplementation improves plant growth, but excessive iron can negatively impact fish health, particularly liver function and blood formation. These findings provide valuable insights for optimizing iron levels in aquaponic systems. |
| format | Article |
| id | doaj-art-13438caa9096425ea2a4228dd1c5d3f7 |
| institution | Kabale University |
| issn | 2076-2615 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
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| series | Animals |
| spelling | doaj-art-13438caa9096425ea2a4228dd1c5d3f72025-08-20T03:43:50ZengMDPI AGAnimals2076-26152025-03-0115679210.3390/ani15060792Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics SystemYu Liu0Zhipeng Dou1Chengwei Ji2Qingbo Zhou3Jun Zhao4Ke Wang5Chao Chen6Qing Liu7College of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaCollege of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaCollege of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaCollege of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaCollege of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaCollege of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaCollege of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaCollege of Animal Science, Shanxi Agricultural University, Jinzhong 030800, ChinaThis study investigated the effects of dietary iron supplementation on water quality, plant growth, and fish health in an aquaponic system over 90 days. Iron supplementation significantly improved plant growth, with increased plant height, stem diameter, leaf count, and fruit yield in tomatoes (<i>Solanum lycopersicum</i>) and pak choi (<i>Brassica rapa subsp. Chinensis</i>) (<i>p</i> < 0.05). The water pH fluctuated with varying iron content, and higher iron levels promoted better plant growth by improving iron availability (<i>p</i> < 0.05). During the first 60 days, all red blood cell counts and hemoglobin levels increased, but the growth and nutritional composition of mirror carp (<i>Cyprinus carpio var. specularis</i>) showed no significant differences. By day 90, fish in the T3 group (800 mg/kg iron) exhibited significantly reduced growth and feed conversion rates (<i>p</i> < 0.05). Histological analysis of liver tissue indicated iron-induced liver damage; additionally, excessive iron intake suppressed erythropoiesis, leading to lower red blood cell counts and hemoglobin levels (<i>p</i> < 0.05). The results indicate that moderate iron supplementation improves plant growth, but excessive iron can negatively impact fish health, particularly liver function and blood formation. These findings provide valuable insights for optimizing iron levels in aquaponic systems.https://www.mdpi.com/2076-2615/15/6/792aquaponics systemferric EDTAmirror carp (<i>Cyprinus carpio var. specularis</i>) |
| spellingShingle | Yu Liu Zhipeng Dou Chengwei Ji Qingbo Zhou Jun Zhao Ke Wang Chao Chen Qing Liu Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System Animals aquaponics system ferric EDTA mirror carp (<i>Cyprinus carpio var. specularis</i>) |
| title | Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System |
| title_full | Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System |
| title_fullStr | Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System |
| title_full_unstemmed | Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System |
| title_short | Effects of Dietary Ferric EDTA Levels on Vegetables and Mirror Carp (<i>Cyprinus carpio var</i>. <i>specularis</i>) in Aquaponics System |
| title_sort | effects of dietary ferric edta levels on vegetables and mirror carp i cyprinus carpio var i i specularis i in aquaponics system |
| topic | aquaponics system ferric EDTA mirror carp (<i>Cyprinus carpio var. specularis</i>) |
| url | https://www.mdpi.com/2076-2615/15/6/792 |
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