Results 91 to 100 of about 3,959 (200)

Pesqueria del pejerrey, Odontesthes regia regia, en Puerto Casma, Ancash (Perú). 2010-2015

open access: yesREBIOL, 2018
La investigación tuvo como objetivo caracterizar la pesquería de Odontesthes regia regia en Puerto Casma, Ancash desde el año 2010 hasta el 2015; la información procesada fue obtenida en Puerto Casma. El mayor desembarque de esta especie se observó en el
Bilmia Veneros Urbina   +3 more
doaj  

¿El otolito de pejerrey (Odontesthes bonariensis), refleja el estrés ambiental? [PDF]

open access: yes, 2011
It has been proven that otoliths reflect morphology, morphometry and chemical composition of the environment that fish frequent. However, it has not been established if extreme environmental changes can be reflected by such structure.
Avigliano, Esteban   +2 more
core   +1 more source

In vitro tolerance of Fusarium semitectum and Fusarium solani (anamorphic, Ascomycota) exposed to surface disinfectant commonly used in aquaculture [PDF]

open access: yes, 2013
Se evaluó in vitro el efecto del: acido acético (AcH), ácido acético tamponado (AcH+AcNa), ioduro de potasio (IK) y Iodopovidona (IP) sobre la tasa de crecimiento (TC) de Fusarium solani (Mart.) Sacc. 1881 y Fusarium semitectum Berk.
Cabello, Marta N.   +2 more
core   +1 more source

Seasonal variation in the diet of Lontra longicaudis in the Paraná River basin, Argentina [PDF]

open access: yes, 2014
We studied the Neotropical otter ( Lontra longicaudis ) seasonal diet variations in the middle Paran á River valley, in central-northern Argentina, at the southern limit of its global range.
Eberhardt, María Ayelen Teresita   +4 more
core   +1 more source

Primeros registros fósiles de pejerreyes (Teleostei: Atheriniformes) en el Pleistoceno Medio de la provincia de Buenos Aires, Argentina First fossil records of silversides (Teleostei: Atheriniformes) from the Middle Pleistocene of Buenos Aires province, Argentina

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2009
En este trabajo se dan a conocer restos fósiles de pejerreyes recuperados en secuencias sedimentarias correspondientes al Piso-Edad Bonaerense (Pleistoceno Medio) de la localidad de Centinela del Mar, provincia de Buenos Aires, Argentina.
Sergio Bogan   +2 more
doaj  

La cuenca del Salado: uso y posibilidades de sus recursos pesqueros. [PDF]

open access: yes, 2001
The fishing resources of the Salado Basin are extraordinary important in the context of the inland waters of Argentina. However, the diversity of landscapes in the basin and the lack of continuity in the regional planning , have made difficult a proper ...
Baigún, Claudio R.M.   +4 more
core   +1 more source

Efeito da suplementação de metionina e/ou lisina no crescimento e na sobrevivência de alevinos de peixe-rei (Odontesthes bonariensis) Effect of methionine and lysine supplementation on growth and survival of pejerrey (Odontesthes bonariensis) fingerlings

open access: yesRevista Brasileira de Zootecnia, 2004
Para avaliar o efeito da suplementação de metionina e lisina sobre o desempenho de alevinos de peixe-rei (Odontesthes bonariensis), estabeleceu-se um experimento completamente casualizado com quatro tratamentos.
Sérgio Renato Noguez Piedras   +2 more
doaj   +1 more source

Variaciones espacio-temporales e intraespecíficas en la morfología y morfometría de otolitos de Odontesthes bonariensis (Atheriniformes, Atherinopsidae) [PDF]

open access: yes, 2011
The morphological and morphometric features of fish otoliths are species–specific. Moreover, some species are known to show intraspecific variations.
Tombari, Andrea D.   +2 more
core  

Development of sperm cryopreservation techniques in pejerrey Odontesthes bonariensis

open access: yesAquaculture, 2010
Abstract The pejerrey, Odontesthes bonariensis, is being considered for aquaculture due to its high demand and market price. Reproduction and larviculture studies have demonstrated the feasibility of massive fingerling production, and techniques that prolong life and increase gamete viability can assist in the culture development of this species.
Lichtenstein, Gabriel   +2 more
openaire   +2 more sources

Efeito in vitro de químicos no crescimento micelial de Saprolegnia spp. In vitro effect of chemical on hyphal growth of Saprolegnia spp.

open access: yesCiência Rural, 2013
Com o aumento da produtividade na piscicultura, os peixes são expostos a altas densidades de estocagem que podem levar ao estresse e imunossupressão. Essa condição favorece a ocorrência de infecções, entre elas a saprolegniose que afeta os peixes e seus ...
Bruna Ferraz Corrêa   +3 more
doaj  

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