The Atlantic sea nettle (Chrysaora quinquecirrha) has been paid more and more attention due to its high ecological value and commercial cultivation. This study aimed to evaluate that culture salinity levels affected on the growth and digestive enzyme activities of C. quinquecirrha. Three salinity levels (10‰, 20‰ and 30‰) were used in cultured jellyfish at three stages of scyphula, juvenile and adult medusa. Results suggested that salinity had changed jellyfish physiological performance about growth and digestion. The scyphula was capable of growth and asexual reproduction in three salinity levels. All digestive enzyme activities (pepsin, cellulase, lipase and amylase) of scyphula were significantly higher than those of juvenile and adult (P < 0.01). Appropriate salinity levels had improved growth, survival and digestive enzyme expression in artificial conditions. Salinity 10 was beneficial to the developed body and adult breeding and further desalting, and it could be used as the preservation salinity of scyphula for inland aquarium and home ornamental jellyfish. In salinity 20 jellyfish showed a good state of asexual reproduction, growth performance and vitality, and the activities of four digestive enzymes were the highest except for cellulose and amylase in juvenile and lipase and amylase in adult, which could be used as a suitable salinity for artificial breeding. The content of pepsin was the highest among the four digestive enzymes due to the high protein bait and the high protein demands of C. quinquecirrha. The results revealed the scyphula showed strong adaptability to external salinity changes, and its cell osmotic regulation ability was stronger than the developed body and adult medusa. Further desalination could be used in inland aquariums and home viewing jellyfish. Artificial domestication of freshwater was possible to improve the economic benefits in the future. Scyphula could asexual reproduce to permanently maintain its characteristic of feeding in fresh water and had strobilated in a certain condition to produce medusa which could be fed in fresh water. And this study provided a theoretical basis for the adjustment of bait, the activation and adaptation mechanism of C. quinquecirrha to environment and its commercial cultivation and development. This test detected a certain cellulase in the digestive cavity, however, further study was required to determine whether C. quinquecirrha has a complete cellulase system or a symbiotic relationship with a fungus, bacteria and alga, that could produce exogenous cellulose.
| Published in | Agriculture, Forestry and Fisheries (Volume 11, Issue 5) |
| DOI | 10.11648/j.aff.20221105.13 |
| Page(s) | 164-171 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
Chrysaora quinquecirrha, Salinity, Digestive Enzyme, Scyphula, Medusa
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APA Style
Cuihua Yang, Anqi Zhang, Yuli Jiang, Yunzhong Wang. (2022). Influences of Three Salinities on the Growth Performance and Digestive Enzyme Activities at Different Stages of Chrysaora quinquecirrha. Agriculture, Forestry and Fisheries, 11(5), 164-171. https://doi.org/10.11648/j.aff.20221105.13
ACS Style
Cuihua Yang; Anqi Zhang; Yuli Jiang; Yunzhong Wang. Influences of Three Salinities on the Growth Performance and Digestive Enzyme Activities at Different Stages of Chrysaora quinquecirrha. Agric. For. Fish. 2022, 11(5), 164-171. doi: 10.11648/j.aff.20221105.13
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Download@article{10.11648/j.aff.20221105.13,
author = {Cuihua Yang and Anqi Zhang and Yuli Jiang and Yunzhong Wang},
title = {Influences of Three Salinities on the Growth Performance and Digestive Enzyme Activities at Different Stages of Chrysaora quinquecirrha},
journal = {Agriculture, Forestry and Fisheries},
volume = {11},
number = {5},
pages = {164-171},
doi = {10.11648/j.aff.20221105.13},
url = {https://doi.org/10.11648/j.aff.20221105.13},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.aff.20221105.13},
abstract = {The Atlantic sea nettle (Chrysaora quinquecirrha) has been paid more and more attention due to its high ecological value and commercial cultivation. This study aimed to evaluate that culture salinity levels affected on the growth and digestive enzyme activities of C. quinquecirrha. Three salinity levels (10‰, 20‰ and 30‰) were used in cultured jellyfish at three stages of scyphula, juvenile and adult medusa. Results suggested that salinity had changed jellyfish physiological performance about growth and digestion. The scyphula was capable of growth and asexual reproduction in three salinity levels. All digestive enzyme activities (pepsin, cellulase, lipase and amylase) of scyphula were significantly higher than those of juvenile and adult (P C. quinquecirrha. The results revealed the scyphula showed strong adaptability to external salinity changes, and its cell osmotic regulation ability was stronger than the developed body and adult medusa. Further desalination could be used in inland aquariums and home viewing jellyfish. Artificial domestication of freshwater was possible to improve the economic benefits in the future. Scyphula could asexual reproduce to permanently maintain its characteristic of feeding in fresh water and had strobilated in a certain condition to produce medusa which could be fed in fresh water. And this study provided a theoretical basis for the adjustment of bait, the activation and adaptation mechanism of C. quinquecirrha to environment and its commercial cultivation and development. This test detected a certain cellulase in the digestive cavity, however, further study was required to determine whether C. quinquecirrha has a complete cellulase system or a symbiotic relationship with a fungus, bacteria and alga, that could produce exogenous cellulose.},
year = {2022}
}
TY - JOUR T1 - Influences of Three Salinities on the Growth Performance and Digestive Enzyme Activities at Different Stages of Chrysaora quinquecirrha AU - Cuihua Yang AU - Anqi Zhang AU - Yuli Jiang AU - Yunzhong Wang Y1 - 2022/09/28 PY - 2022 N1 - https://doi.org/10.11648/j.aff.20221105.13 DO - 10.11648/j.aff.20221105.13 T2 - Agriculture, Forestry and Fisheries JF - Agriculture, Forestry and Fisheries JO - Agriculture, Forestry and Fisheries SP - 164 EP - 171 PB - Science Publishing Group SN - 2328-5648 UR - https://doi.org/10.11648/j.aff.20221105.13 AB - The Atlantic sea nettle (Chrysaora quinquecirrha) has been paid more and more attention due to its high ecological value and commercial cultivation. This study aimed to evaluate that culture salinity levels affected on the growth and digestive enzyme activities of C. quinquecirrha. Three salinity levels (10‰, 20‰ and 30‰) were used in cultured jellyfish at three stages of scyphula, juvenile and adult medusa. Results suggested that salinity had changed jellyfish physiological performance about growth and digestion. The scyphula was capable of growth and asexual reproduction in three salinity levels. All digestive enzyme activities (pepsin, cellulase, lipase and amylase) of scyphula were significantly higher than those of juvenile and adult (P C. quinquecirrha. The results revealed the scyphula showed strong adaptability to external salinity changes, and its cell osmotic regulation ability was stronger than the developed body and adult medusa. Further desalination could be used in inland aquariums and home viewing jellyfish. Artificial domestication of freshwater was possible to improve the economic benefits in the future. Scyphula could asexual reproduce to permanently maintain its characteristic of feeding in fresh water and had strobilated in a certain condition to produce medusa which could be fed in fresh water. And this study provided a theoretical basis for the adjustment of bait, the activation and adaptation mechanism of C. quinquecirrha to environment and its commercial cultivation and development. This test detected a certain cellulase in the digestive cavity, however, further study was required to determine whether C. quinquecirrha has a complete cellulase system or a symbiotic relationship with a fungus, bacteria and alga, that could produce exogenous cellulose. VL - 11 IS - 5 ER -
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