Histological alterations in gills of shrimp Litopenaeus vannamei in low‐salinity waters under different stocking densities: Potential relationship with nitrogen compounds

Histological alterations in gills of shrimp Litopenaeus vannamei in low‐salinity waters under different stocking densities: Potential relationship with nitrogen compounds

Two experimental modules with different stocking densities (M1 = 70 and M2 = 120 shrimp /m2) were examined weekly over a culture cycle in tanks with low‐salinity water (1.9 g/L) and zero water exchange. Results showed survival rates of 87.7 and 11.9% in M1 and M2, respectively. Water temperature, pH...

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Veröffentlicht in:Aquaculture research 2017-12, Vol.48 (12), p.5854-5863
Hauptverfasser: Fregoso‐López, Marcela G., Morales‐Covarrubias, María S., Franco‐Nava, Miguel A, Ramírez‐Rochín, Javier, Fierro‐Sañudo, Juan F, Ponce‐Palafox, Jesús T, Páez‐Osuna, Federico
Format: Artikel
Sprache:eng
Schlagworte:
Ammonia
Chlorophyll
Chlorophyll a
Dissolved oxygen
Electrical conductivity
Electrical resistivity
Gills
histopathology
Litopenaeus vannamei
low‐salinity water
Modules
Nitrogen
Nitrogen compounds
Nitrogen dioxide
pH effects
Salinity
Salinity effects
Shellfish
Stocking
Tanks
Water exchange
water quality
Water tanks
Water temperature
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Zusammenfassung:Two experimental modules with different stocking densities (M1 = 70 and M2 = 120 shrimp /m2) were examined weekly over a culture cycle in tanks with low‐salinity water (1.9 g/L) and zero water exchange. Results showed survival rates of 87.7 and 11.9% in M1 and M2, respectively. Water temperature, pH, dissolved oxygen, electrical conductivity and chlorophyll a were not significantly (p > .05) different between modules. In contrast, the concentrations of nitrogen compounds were significantly (p 
ISSN:1355-557X
1365-2109
DOI:10.1111/are.13408