Effects of Anthropic Pollutants Identified in Pampas Lakes on the Development and Reproduction of Pejerrey Fish Odontesthes bonariensis [PDF]
Frontiers in Physiology, 2022 Anthropic activities can seriously affect the health of the organisms inhabiting them, and the observation of any alteration in the reproduction of fish could be associated with the presence of endocrine disruptors.
Leandro A. Miranda +3 more
doaj +2 more sources
New approaches for growth improvement in pejerrey Odontesthes bonariensis (Valenciennes, 1835) culture (Atherinomorpha: Atherinopsidae) [PDF]
Neotropical Ichthyology, 2014 The pejerrey is the most important recreational species in shallow temperate lakes and reservoirs of Argentina and the attempts to develop its culture have started a century ago.
Patricio J. Solimano +4 more
doaj +7 more sources
Coexistence of genotypic and temperature-dependent sex determination in pejerrey Odontesthes bonariensis. [PDF]
PLoS ONE, 2014 In this study, we examined whether a homolog of the master sex-determining gene amhy of Odontesthes hatcheri is present and plays any role in testis determination of pejerrey O.
Yoji Yamamoto +4 more
doaj +4 more sources
The effect of rearing temperature in larval development of pejerrey, Odontesthes bonariensis: morphological indicators of development [PDF]
Neotropical Ichthyology, 2011 It is well known that in pejerrey water temperature not only affects growth rates but also directs the sexual differentiation process. This fact rise the question of how different the development of pejerrey larvae of the same age is when reared at ...
Tomás Chalde +3 more
doaj +7 more sources
Gonadal development in pejerrey (Odontesthes bonariensis) during spawning season in relation with sex steroids and temperature variation in Gómez lake (Pampas region, Argentina) [PDF]
Anais da Academia Brasileira de Ciências, 2021 Gómez lake (34 ° 39 ‘S 61 ° 01’ W) is a typical shallow lake of Pampas region placed in the upper area of the Salado river. The most abundant fish species in this lake is the pejerrey (Odontesthes bonariensis) valued due to the quality of its flesh and ...
PAMELA S. DEL FRESNO +3 more
doaj +2 more sources
Traces of certain integral operators related to the Riemann hypothesis
AIMS Mathematics, 2023 We prove the existence of a nontrivial singular trace $ \tau $ defined on an ideal $ \mathcal{J} $ closed with respect to the logarithmic submajorization such that $ \tau(A_\rho(\alpha)) = 0 $, where $ A_\rho(\alpha):L^{2}(0, 1)\to L^{2}(0, 1) $, $ {[A_ ...
Alfredo Sotelo-Pejerrey
doaj +1 more source
Modulation of miR-429 during osmotic stress in the silverside Odontesthes humensis
Frontiers in Genetics, 2022 Silverside fish inhabit marine coastal waters, coastal lagoons, and estuarine regions in southern South America. Although silversides are not fully adapted to freshwater, they can tolerate a wide range of salinity variations.
Antônio D. Pagano +9 more
doaj +1 more source
Quality of pejerrey (Odontesthes bonariensis) eggs and larvae in captivity throughout spawning season [PDF]
, 2014 The aim of this work was to assess the quality of pejerrey eggs and larvae throughout its spawning season. Fertilized eggs were taken on September, October, November, and December from a captive broodstock.
Chalde, Tomás +2 more
core +3 more sources
Ecología Austral, 2022 El pejerrey —Odontesthes bonariensis (Actinopterygii; Atherinopsidae)— es la especie más importante en las pesquerías de la Argentina por su amplia distribución, gran demanda y aporte de proteína.
Omar Del Ponti, Miguel Mancini
doaj +1 more source
The Use of Chloride, Citric and Ascorbic Acid Dip and Packaged Film to Extend the Shelf Life of Pejerrey (Odonthested bonaerensis) during Storage at Different Temperatures [PDF]
, 2014 The objective of this study was to analyze the effect of chloride, citric and ascorbic acid dip treatments in conjunction with two types of packaging films (with high and low gas permeability) on microbial growth in samples of pejerrey fillets ...
Bigeon, Gisela +3 more
core +2 more sources