Effect of low salinity on the growth and survival of juvenile pacific white shrimp, Penaeus vannamei: A revival

Jaffer, Y. D.; Saraswathy, R.; Ishfaq, M.; Antony, Jose; Bundela, D. S.; Sharma, Prabodh Chander

doi:10.1016/j.aquaculture.2019.734561

Cited by 41 publications

(36 citation statements)

References 36 publications

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“…The concentration of calcium was higher in the serum than in the surrounding medium at all salinities, and the results were in line with the findings of Li and Cheng (2012) and Jaffer et al. (2019) in P. vannamei and Wilder et al., 1998 in Macrobranchium rosenbergii . No specific trend was observed in both calcium and magnesium ion concentration in serum when the animal was transferred from higher to lower salinities, and no significant change was observed in their concentrations with reduced salinity in both gradual and drastic reductions (Figures 3 and 7).…”

Section: Discussionsupporting

confidence: 90%

Osmo‐ionic regulation in whiteleg shrimp, Penaeus vannamei , exposed to climate change‐induced low salinities

et al. 2020

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Section: Discussionsupporting

confidence: 90%

Osmo‐ionic regulation in whiteleg shrimp, Penaeus vannamei , exposed to climate change‐induced low salinities

et al. 2020

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“…26-test cellulolytic marine bacteria were safe for L. vanname (Table 3), which were agreed with the earlier reports where no mortality has been detected by Macrobrachium rosenbergii and L. vannamei with L. pentosus [45,63]. In aquaculture water, the changes of salinity will affect the physiological function of microorganisms, which will eventually hinder their growth, survival, and food consumption [64]. In the present study, we also detected the salinity tolerance and pH tolerance of these 26 cellulolytic marine bacterial strains (data not shown).…”

Section: Safety Of Cellulolytic Marine Bacteria To L Vannameisupporting

confidence: 89%

Isolation and Characterization of Cellulolytic Marine Bacteria for Litopenaeus Vannamei Aquaculture Using Sugarcane Bagasse as Carbon Source

Wei¹,

Xu²,

Long³

et al. 2020

Preprint

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Background: In aquaculture system, it is essential to adjust the inherent disadvantage of C/N ratio by adding a lot of additional carbon sources, such as sugarcane molasses, organic acids, and organic acid salts, which will greatly increase the cost of shrimp aquaculture. Herein, we aimed to isolate cellulolytic marine bacteria to hydrolyze sugarcane bagasse (SB) for reducing the cost of addition of external carbon sources in industrial Litopenaeus vannamei aquaculture.Results: A total of 97 cellulolytic marine bacterial strains belonged to 6 genera were isolated from 2,585 indigenous bacteria, indicating that seagrass bed can be used as an important place for screening the cellulolytic bacteria. The hydrolysis capacity (HC) of 58 cellulolytic marine bacterial strains was ranged from 1.1–4.0. MW-M5 displayed the largest HC value, followed by MW-M10 and MW-M14. The cellulase contents of 30 strains were more than 3 U/g in the supernatant of fermentation broth after 24 h, which was significantly higher than that of commercial cellulose. 26 cellulolytic marine bacteria with HC greater than 2 were safe for L. vannamei. MW-M19 with the lowest multiple antibiotic resistance index, 0.1, had a highest SB enzyme activity, 4.14 U/mL. The SB decomposition rates of CFW-C18 and MW-M15 were up to about 63.81% and 48.57% after fifteen days, respectively. Conclusions: These results provide valuable information for further construction of a shrimp aquaculture system based on low-cost external carbon sources using cellulolytic bacteria, and even for other biotechnological applications.

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“…In our study, water salinity varied over a wide range and was low at farm A and market A but was high at farm B and market B. On the one hand, P. vannamei is euryhaline and can tolerate salinity ranging from 1 to 50 ppt (Jaffer et al, 2020). On the other hand, in order to keep P. vannamei alive and fresh, water salinity at markets should be similar to that at the farm where the P. vannamei was cultured.…”

Section: Discussionmentioning

confidence: 74%

Co-occurrence of Antibiotic and Heavy Metal Resistance and Sequence Type Diversity of Vibrio parahaemolyticus Isolated From Penaeus vannamei at Freshwater Farms, Seawater Farms, and Markets in Zhejiang Province, China

Jiang

Yang

et al. 2020

Front. Microbiol.

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Vibrio parahaemolyticus is the leading cause of seafood-borne bacterial poisoning in China and is a threat to human health worldwide. The aim of this study was to assess the antibiotic resistance profiles and distribution of heavy metal resistance of V. parahaemolyticus isolates from Penaeus vannamei from freshwater farms, seawater farms, and their corresponding markets in Zhejiang, China and to assess the relationship between multidrug resistance (MDR) and multi-heavy metal resistance (MHMR). Of the 360 P. vannamei samples that we tested, 90 (25.00%) were V. parahaemolyticus positive, but the occurrence of pathogenic isolates carrying the toxin genes tdh (4.44%) and trh (3.33%) was low. None of the tested isolates harbored both the tdh and trh genes. However, antibiotic resistance profiles varied among different sampling locations, levels of resistance to the antibiotics ampicillin (76.67%) and streptomycin (74.44%) were high overall, and MDR isolates were common (40.00% of all isolates). Heavy metal resistance patterns were similar among the different sampling locations. Overall, the majority of V. parahaemolyticus isolates displayed tolerance to Cd 2+ (60.00%), and fewer were resistant to Cu 2+ (40.00%), Zn 2+ (38.89%), Ni 2+ (24.44%), Cr 3+ (14.44%), and Co 2+ (8.89%). In addition, 34.44% (31/90) of isolates tested in this study were found to be MHMR. Using Pearson's correlation analysis, MDR and MHMR were found to be positively correlated (P = 0.004; R = 0.759). The 18 V. parahaemolyticus isolates that were both MDR and MHMR represented 18 sequence types, of which 12 were novel to the PubMLST database, and displayed a high level of genetic diversity, suggesting that dissemination may be affected by mobile genetic elements via horizontal gene transfer. However, a low percentage of class 1 integrons without gene cassettes and no class 2 or 3 integrons were detected in the 18 MDR and MHMR isolates or in the

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Effect of low salinity on the growth and survival of juvenile pacific white shrimp, Penaeus vannamei: A revival

Cited by 41 publications

References 36 publications

Osmo‐ionic regulation in whiteleg shrimp, Penaeus vannamei , exposed to climate change‐induced low salinities

Osmo‐ionic regulation in whiteleg shrimp, Penaeus vannamei , exposed to climate change‐induced low salinities

Isolation and Characterization of Cellulolytic Marine Bacteria for Litopenaeus Vannamei Aquaculture Using Sugarcane Bagasse as Carbon Source

Co-occurrence of Antibiotic and Heavy Metal Resistance and Sequence Type Diversity of Vibrio parahaemolyticus Isolated From Penaeus vannamei at Freshwater Farms, Seawater Farms, and Markets in Zhejiang Province, China

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