Crecimiento de camarones juveniles Litopenaeus vannamei en aguas fertilizadas con Ferti-Lake versus fertilizante experimental

Carmen Isabel  Hernández Rivera; Odalis Marisol  Real Paredes; Carlos Azael  Zelaya Rivera; Claudia  Herrera Sirias

doi:10.5377/universitas.v6i2.13860

Authors

Carmen Isabel Hernández Rivera National Autonomous University of Nicaragua, León
Odalis Marisol Real Paredes National Autonomous University of Nicaragua, León
Carlos Azael Zelaya Rivera National Autonomous University of Nicaragua, León
Claudia Herrera Sirias National Autonomous University of Nicaragua, León

DOI:

https://doi.org/10.5377/universitas.v6i2.13860

Keywords:

Fertilizer, Intensive, Phytoplankton

Abstract

There is currently a worldwide trend towards greater consumption of fresh foods with a lower proportion of chemical adThe objective of this study was to evaluate the effect of fertilizing water with Ferti-Lake versus experimental fertilizer on the growth of early juvenile shrimp Litopenaeus vannamei for 35 days in 6 containers of 1.38 m2 with a planting density of 12 organisms / m2. As a result, mean temperatures of 32 ° C for Ferti-Lake and 32.5 ° C for the experimental were obtained. The pH with Ferti-Lake was 8.3 and 8 with the experimental, with a minimum of 6.8 for both treatments. Water salinity averaged 30.5% for both treatments. The visibility of the Secchi disk was between 21 cm and 86 cm with Ferti-Lake and between 25 cm and 83 cm in the experimental. The amount of phytoplankton was 165,000 cells / ml with Ferti-Lake and
187,500 cells / ml in the experimental, predominating Chlorophytes and Diatoms. The average Cumulative Growth in both conditions was 0.29 g to 5.7 g. The Ferti-Lake fertilization rate was 0.33 g and 1.50 g and 0.26 g and 1.20 g experimental, 91% and 100% survival (Ferti-Lake /experimental). The Growth Rate from 10.74 g to -13.36 g in both conditions. The productive yield was 1371.01lb / ha and 1506.61lb / ha (Ferti-Lake / experimental). In both experimental conditions an F.C.A of 1.1 was obtained, Ferti-Lake fertilizer is recommended since the costs to use the experimental fertilizer are higher.

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Author Biographies

Carmen Isabel Hernández Rivera, National Autonomous University of Nicaragua, León

Faculty of Sciences and Technology, National Autonomous University of Nicaragua, León. UNAN-Leon.

Odalis Marisol Real Paredes, National Autonomous University of Nicaragua, León

Faculty of Sciences and Technology, National Autonomous University of Nicaragua, León. UNAN-Leon.

Carlos Azael Zelaya Rivera, National Autonomous University of Nicaragua, León

Faculty of Sciences and Technology, National Autonomous University of Nicaragua, León. UNAN-Leon.

Claudia Herrera Sirias, National Autonomous University of Nicaragua, León

Faculty of Sciences and Technology, National Autonomous University of Nicaragua, León. UNAN-Leon

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