Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.346030
Anita Padang et al.
Diatoms, a group of phytoplankton known as Bacillariophyceae, serve as food for benthic organisms such as sea cucumbers ( Holothuria scabra ). Sea cucumber raising has the potential to alleviate wild fishing pressure, satisfy a sizable market demand, and improve the water quality in aquaculture settings. This study aimed to analyze the composition and density of benthic diatoms as a natural feed for sea cucumbers deposited in sediments. The research was carried out in the waters of the Inner Ambon Bay, Maluku, Indonesia. The rearing of sea cucumbers involves using floating net cages with the off-bottom method. This method utilizes suspended containers and sediment, with the addition of seagrass leaves, sago waste, and chicken manure to stimulate the growth of benthic diatoms, which serve as a natural feed for sea cucumbers. This study used three treatments: i) treatment A (seagrass leaves + chicken manure), ii) treatment B (seagrass leaves + sago waste), and iii) treatment C (seagrass leaves + chicken manure + sago waste). Data analysis was descriptively carried out and displayed in the form of tables and graphs. The research results showed that two orders, 14 families, 25 genera and 66 species of benthic diatoms were found in the sediments of sea cucumber cultivation floating net cages. Density of benthic diatom species, composition, and quantity were influenced by varying meal compositions. Treatments involving seagrass leaves, sago waste, and chicken manure resulted in increased diatom densities and genera composition. The benthic diatoms found were dominated by the order Pennales, in particular the different species belonging to the genera of Navicula. The results of this study found that treatment with a more diverse compost composition was able to support the high number and density of benthic diatoms since it was suspected that they had a higher nutrient content. The results of this study provide information about the effectiveness of using sago waste + chicken manure + seagrass leaves as an alternative compost to stimulate the growth of benthic diatoms as a natural feed in sea cucumber cultivation.
{"title":"Composition and Density of Benthic Diatoms in Sediments with Different Compost Mixtures on Cultivation of Sea Cucumbers (Holothuria scabra) Using Floating Net Cages","authors":"Anita Padang et al.","doi":"10.21608/ejabf.2024.346030","DOIUrl":"https://doi.org/10.21608/ejabf.2024.346030","url":null,"abstract":"Diatoms, a group of phytoplankton known as Bacillariophyceae, serve as food for benthic organisms such as sea cucumbers ( Holothuria scabra ). Sea cucumber raising has the potential to alleviate wild fishing pressure, satisfy a sizable market demand, and improve the water quality in aquaculture settings. This study aimed to analyze the composition and density of benthic diatoms as a natural feed for sea cucumbers deposited in sediments. The research was carried out in the waters of the Inner Ambon Bay, Maluku, Indonesia. The rearing of sea cucumbers involves using floating net cages with the off-bottom method. This method utilizes suspended containers and sediment, with the addition of seagrass leaves, sago waste, and chicken manure to stimulate the growth of benthic diatoms, which serve as a natural feed for sea cucumbers. This study used three treatments: i) treatment A (seagrass leaves + chicken manure), ii) treatment B (seagrass leaves + sago waste), and iii) treatment C (seagrass leaves + chicken manure + sago waste). Data analysis was descriptively carried out and displayed in the form of tables and graphs. The research results showed that two orders, 14 families, 25 genera and 66 species of benthic diatoms were found in the sediments of sea cucumber cultivation floating net cages. Density of benthic diatom species, composition, and quantity were influenced by varying meal compositions. Treatments involving seagrass leaves, sago waste, and chicken manure resulted in increased diatom densities and genera composition. The benthic diatoms found were dominated by the order Pennales, in particular the different species belonging to the genera of Navicula. The results of this study found that treatment with a more diverse compost composition was able to support the high number and density of benthic diatoms since it was suspected that they had a higher nutrient content. The results of this study provide information about the effectiveness of using sago waste + chicken manure + seagrass leaves as an alternative compost to stimulate the growth of benthic diatoms as a natural feed in sea cucumber cultivation.","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"35 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140520320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.338636
Taha Saleh Salem Baker, S. Mehanna
{"title":"Some biological aspects and life history parameters of common bluestripe snapper Lutjanus kasmira (Family: Lutjanidae) from Shalatein, Red Sea, Egypt","authors":"Taha Saleh Salem Baker, S. Mehanna","doi":"10.21608/ejabf.2024.338636","DOIUrl":"https://doi.org/10.21608/ejabf.2024.338636","url":null,"abstract":"","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"31 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140518633","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.337882
Abdelrahman S. Abouzied et al.
The characteristics of chitosan produced from upper and lower squilla species and compared to the analytical
从上层和下层壁虱物种中提取的壳聚糖的特征以及与分析结果的比较
{"title":"Characterization of Chitosan Extracted from Upper and Lower Squilla species Shells","authors":"Abdelrahman S. Abouzied et al.","doi":"10.21608/ejabf.2024.337882","DOIUrl":"https://doi.org/10.21608/ejabf.2024.337882","url":null,"abstract":"The characteristics of chitosan produced from upper and lower squilla species and compared to the analytical","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"10 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140522494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.339907
R. Riad
{"title":"Reproductive Biology of Callistoctopus macropus from the Egyptian Mediterranean Waters","authors":"R. Riad","doi":"10.21608/ejabf.2024.339907","DOIUrl":"https://doi.org/10.21608/ejabf.2024.339907","url":null,"abstract":"","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"186 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140521369","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.338621
Abdelrahman S. Talab et al.
{"title":"Proximate Composition and Quality Properties of some Egyptian Sea Cucumber Species","authors":"Abdelrahman S. Talab et al.","doi":"10.21608/ejabf.2024.338621","DOIUrl":"https://doi.org/10.21608/ejabf.2024.338621","url":null,"abstract":"","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"48 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140518165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.339453
Jehan I. Abdellatief, Naglaa M. Alkalamawey
{"title":"Immune Defenses in European Eels (Anguilla anguilla) Post Exposure to Formalized Killed Bacterin of Vibrio vulnificus","authors":"Jehan I. Abdellatief, Naglaa M. Alkalamawey","doi":"10.21608/ejabf.2024.339453","DOIUrl":"https://doi.org/10.21608/ejabf.2024.339453","url":null,"abstract":"","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"19 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140521259","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.338620
Fathi Abdullah Al-Mandeel et al.
{"title":"The Evolution of the Al-Qayyarah Refinery's Treatment Plant's Effectiveness and the Impact of its Discharges on the Tigris River's Quality","authors":"Fathi Abdullah Al-Mandeel et al.","doi":"10.21608/ejabf.2024.338620","DOIUrl":"https://doi.org/10.21608/ejabf.2024.338620","url":null,"abstract":"","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"8 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140520866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.341745
Azza A. El Ganainy et al.
is
是
{"title":"Length-Weight Relationship and Condition of the European Eel Anguilla anguilla in the Mediterranean Coastal Bardawil Lagoon, Egypt","authors":"Azza A. El Ganainy et al.","doi":"10.21608/ejabf.2024.341745","DOIUrl":"https://doi.org/10.21608/ejabf.2024.341745","url":null,"abstract":"is","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140517241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.339764
E. A. El-Masry
{"title":"A Non-destructive Rapid Assessment of Blue Carbon Sequestration Potential in Mangrove Forests of the Red Sea Region","authors":"E. A. El-Masry","doi":"10.21608/ejabf.2024.339764","DOIUrl":"https://doi.org/10.21608/ejabf.2024.339764","url":null,"abstract":"","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"6 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140523113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-01DOI: 10.21608/ejabf.2024.340953
S. Hasanein
In response to the rising demand for aquatic products for human consumption, aquaculture has developed significantly as an agronomic activity worldwide. Proteins and amino acids are significant macromolecules that govern vital metabolic processes and act as building blocks for the creation of compounds with biological significance. Fish play a significant function in human nutrition and are a significant dietary source of high-quality animal proteins and amino acids. The effect of toxic metals (cadmium and lead) on total central amino acids compositions (Essential, Conditionally Essential, and Non-Essential), and Crude protein concentration were examined in the current study for the juvenile European sea Dicentrarchus labrax , a stress-sensitive species, and evaluation the protective effect of the dietary Spirulina platensis and Chlorella vulgaris algal mixture as a supplement. Fish fed the control diet and kept in freshly filtered seawater without the addition of any pollutants (Control)
{"title":"Improvements in the neurodevelopmental toxicity of heavy metals for Dicentrarchus labrax by an algal mixture of Spirulina platensis and Chlorella vulgaris","authors":"S. Hasanein","doi":"10.21608/ejabf.2024.340953","DOIUrl":"https://doi.org/10.21608/ejabf.2024.340953","url":null,"abstract":"In response to the rising demand for aquatic products for human consumption, aquaculture has developed significantly as an agronomic activity worldwide. Proteins and amino acids are significant macromolecules that govern vital metabolic processes and act as building blocks for the creation of compounds with biological significance. Fish play a significant function in human nutrition and are a significant dietary source of high-quality animal proteins and amino acids. The effect of toxic metals (cadmium and lead) on total central amino acids compositions (Essential, Conditionally Essential, and Non-Essential), and Crude protein concentration were examined in the current study for the juvenile European sea Dicentrarchus labrax , a stress-sensitive species, and evaluation the protective effect of the dietary Spirulina platensis and Chlorella vulgaris algal mixture as a supplement. Fish fed the control diet and kept in freshly filtered seawater without the addition of any pollutants (Control)","PeriodicalId":11403,"journal":{"name":"Egyptian journal of aquatic biology and fisheries","volume":"22 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140518483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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