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dc.creatorPerea-Juárez,Rosalba N
dc.creatorFrías-Espericueta,Martín G
dc.creatorPáez-Osuna,Federico
dc.creatorVoltolina,Doménico
dc.date2016-07-01
dc.date.accessioned2019-05-03T13:27:59Z
dc.date.available2019-05-03T13:27:59Z
dc.identifierhttps://scielo.conicyt.cl/scielo.php?script=sci_arttext&pid=S0718-560X2016000300018
dc.identifier.urihttp://revistaschilenas.uchile.cl/handle/2250/88224
dc.descriptionThe aim of this work was to determine the amounts of copper, zinc, cadmium and lead which enter the tanks of the maternity section of a Mexican commercial hatchery, and those that are discharged to the environment. The most important inputs of Cu were chemicals for water treatment and disease prevention, feeds and the metal dissolved in influent water. Suspended solids and feeds were the two most important inputs of Zn, and feeds and chemicals were the main sources of Pb and Cd. Most metal concentrations may be considered safe for shrimp culture, but the concentrations of Cd of three formulated diets were close or above safe levels. The annual 2013 output of this hatchery was approximately 1.3x10(9) post-larvae, and the estimated metals discharged to the environment by the maternity section were 351 g of Cu, 1,190 g of Zn and 1.35 and 0.02 g of Pb and Cd, respectively. The amounts of Pb and Cd are equivalent to those of the fertilizers spread on between 0.5 and 1.5 ha of the agricultural land of Sinaloa State.
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dc.languageen
dc.publisherPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
dc.rightsinfo:eu-repo/semantics/openAccess
dc.sourceLatin american journal of aquatic research v.44 n.3 2016
dc.subjectshrimp hatcheries
dc.subjectshrimp feeds
dc.subjectmetal inputs
dc.subjectmetal discharges
dc.subjectenvironmental impact
dc.titleCopper, zinc, cadmium and lead inputs and outputs in the maternity section of a commercial shrimp hatchery


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