Evaluation of two sources of water supply for inland low salinity culture of litopenaeus vannamei in cuba [Cultivo tierra adentro de camarón marino Litopenaeus vannamei: Evaluación del agua de dos granjas acuícolas en Cuba]

Abstract

The scientific base behind the successful production in inland waters of Pacific white shrimp, Litopenaeus vannamei, consists in the evaluation of the origin and composition of the water to use, whose quality should be established like premise for their posterior use. In order to achieve the culture of the marine shrimp suitably, in the Guamá Municipality (Santiago de Cuba, Cuba), at a salinity of 3 ups, samples of water of two supply sources located in the aquaculture farm "Sevilla" and the station "El Francés", were analyzed, and later were recommended the necessary ionic modifications on the water of these sources. The salinity and the concentration of the most important ions were determined, and as result, was estimated the amount of mineral salts to use in each case. The ionic concentration, the hardness, as well as electric conductivity of the water samples, were minor in the groundwater well of the Farm "Sevilla." The concentrations of Ca2+, Mg2+, Cl-, K+ and Na+ were, in that order: 59, 15, 25, 3 and 35 mg/L for "Sevilla"; and 88, 45, 169, 11 and 75 mg/L for "El Francés." These values are lower, in both locations, the expected pattern of dissolved sea water up to 3 ups, which may be due to the distance of wells from the coast, being the farm "Sevilla" the farthest. For the practical purposes of this research, we recommend supplementation of analyzed water with mineral salts available in the country, to a suitable concentration of major ions, at a salinity of 3 psu, but it is necessary to establish the possible damage the surrounding environment resulting from this production strategy.