Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition
<i>B. orientalis</i>, fairy shrimp, is often among the most conspicuous invertebrates inhabiting temporary aquatic habitats with a typical variation in environmental conditions. Its life history characteristics and biochemical composition were studied under four different photoperiodic r...
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MDPI AG
2021-07-01
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| author | Sara Farhadi Behrooz Atashbar Kangarloei Ahmad Imani Kourosh Sarvi Moghanlou |
| author_facet | Sara Farhadi Behrooz Atashbar Kangarloei Ahmad Imani Kourosh Sarvi Moghanlou |
| author_sort | Sara Farhadi |
| collection | DOAJ |
| description | <i>B. orientalis</i>, fairy shrimp, is often among the most conspicuous invertebrates inhabiting temporary aquatic habitats with a typical variation in environmental conditions. Its life history characteristics and biochemical composition were studied under four different photoperiodic regimes (24L:0D, 0L:24D, 16L:8D, and 12L:12D). The significantly highest cumulative and initial hatching rates (48 h) were obtained at 24L:0D (<i>p</i> < 0.05). Cultivating the larvae under different photoperiods did not significantly affect specific growth rate (SGR) (<i>p</i> > 0.05). However, higher final total body length and daily growth rate were recorded under constant darkness. Higher lipid content was found at 24L:0D to the extent that it was more than two times higher than that at 16L:8D and 12L:12D (<i>p</i> < 0.05). There was also a remarkable increase in body crude protein content at 24L:0D (<i>p</i> < 0.05). Body fatty-acid profiles of the fairy shrimps were also affected by culture condition (<i>p</i> < 0.05). Extension of lighting period resulted in a subtle increase in body contents of arginine, lysine, histidine, isoleucine, leucine, valine, methionine, and phenylalanine, especially in the group kept under a 16L:8D regime. The highest and lowest digestive enzyme activity was observed at 0L:24D and 24L:0D, respectively (<i>p</i> < 0.05). In contrast, the highest and lowest soluble protein content was recorded at 24L:0D and 0L:24D, respectively (<i>p</i> < 0.05). Similarly, antioxidant status was significantly higher at 0L:24D (<i>p</i> < 0.05). In conclusion, a 16L:8D light–dark cycle might be an optimal condition in terms of growth performance and physio-biochemical characteristics. These findings could be helpful in optimizing the rearing conditions for upscaling <i>B. orientalis</i> production. |
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| spelling | doaj.art-1c57c0b8f77f426daafc1548116ca3912023-11-22T06:49:13ZengMDPI AGBiology2079-77372021-07-0110869510.3390/biology10080695Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical CompositionSara Farhadi0Behrooz Atashbar Kangarloei1Ahmad Imani2Kourosh Sarvi Moghanlou3Department of Fisheries, Faculty of Agriculture and Natural Resources, Urmia University, Urmia 57561-51818, IranDepartment of Ecology and Stocks Management, Artemia and Aquaculture Research Institute, Urmia University, Urmia 57179-44514, IranDepartment of Fisheries, Faculty of Agriculture and Natural Resources, Urmia University, Urmia 57561-51818, IranDepartment of Fisheries, Faculty of Agriculture and Natural Resources, Urmia University, Urmia 57561-51818, Iran<i>B. orientalis</i>, fairy shrimp, is often among the most conspicuous invertebrates inhabiting temporary aquatic habitats with a typical variation in environmental conditions. Its life history characteristics and biochemical composition were studied under four different photoperiodic regimes (24L:0D, 0L:24D, 16L:8D, and 12L:12D). The significantly highest cumulative and initial hatching rates (48 h) were obtained at 24L:0D (<i>p</i> < 0.05). Cultivating the larvae under different photoperiods did not significantly affect specific growth rate (SGR) (<i>p</i> > 0.05). However, higher final total body length and daily growth rate were recorded under constant darkness. Higher lipid content was found at 24L:0D to the extent that it was more than two times higher than that at 16L:8D and 12L:12D (<i>p</i> < 0.05). There was also a remarkable increase in body crude protein content at 24L:0D (<i>p</i> < 0.05). Body fatty-acid profiles of the fairy shrimps were also affected by culture condition (<i>p</i> < 0.05). Extension of lighting period resulted in a subtle increase in body contents of arginine, lysine, histidine, isoleucine, leucine, valine, methionine, and phenylalanine, especially in the group kept under a 16L:8D regime. The highest and lowest digestive enzyme activity was observed at 0L:24D and 24L:0D, respectively (<i>p</i> < 0.05). In contrast, the highest and lowest soluble protein content was recorded at 24L:0D and 0L:24D, respectively (<i>p</i> < 0.05). Similarly, antioxidant status was significantly higher at 0L:24D (<i>p</i> < 0.05). In conclusion, a 16L:8D light–dark cycle might be an optimal condition in terms of growth performance and physio-biochemical characteristics. These findings could be helpful in optimizing the rearing conditions for upscaling <i>B. orientalis</i> production.https://www.mdpi.com/2079-7737/10/8/695<i>B. orientalis</i>photoperiodgrowthfatty acidamino aciddigestive enzyme |
| spellingShingle | Sara Farhadi Behrooz Atashbar Kangarloei Ahmad Imani Kourosh Sarvi Moghanlou Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition Biology <i>B. orientalis</i> photoperiod growth fatty acid amino acid digestive enzyme |
| title | Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition |
| title_full | Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition |
| title_fullStr | Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition |
| title_full_unstemmed | Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition |
| title_short | Biological Impact of Photoperiod on Fairy Shrimp (<i>Branchinecta orientalis</i>): Life History and Biochemical Composition |
| title_sort | biological impact of photoperiod on fairy shrimp i branchinecta orientalis i life history and biochemical composition |
| topic | <i>B. orientalis</i> photoperiod growth fatty acid amino acid digestive enzyme |
| url | https://www.mdpi.com/2079-7737/10/8/695 |
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