Results 111 to 120 of about 2,443 (197)

Lethal concentration (CL50) of un-ionized ammonia for pejerrey larvae in acute exposure

open access: yesScientia Agricola, 2006
Ammonia results from decomposition of effluents organic matter, e.g. feed wastes and fish faeces. Its un-ionized form can be toxic because diffuses easily through fish respiratory membranes, damaging gill epithelium and impairing gas exchanges.
Piedras Sérgio Renato Noguez   +3 more
doaj  

Arsénico. Del agua a los alimentos [PDF]

open access: yes, 2015
Defined as the king of poisons or "poison of kings", arsenic (As) is one of the most widely distributed elements in the environment. Its origin is associated with different geological environments or human activities. In Argentina, different studies have
Fernandez Cirelli, Alicia   +2 more
core  

Bibliografía de los peces de agua dulce de Argentina y Uruguay : Suplemento 1982 [PDF]

open access: yes, 1982
Fil: López, Hugo Luis. División Zoología Vertebrados, Museo de La Plata, UNLPFil: Menni, Roberto Carlos. División Zoología Vertebrados, Museo de La Plata, UNLPFil: Ringuelet, Raúl Adolfo. Instituto de Limnología Dr. Raúl A. Ringuelet (ILPLA); Facultad de
López, Hugo Luis   +2 more
core  

Alimentação de alevinos de peixe-rei (Odontesthes bonariensis) com dietas naturais e artificiais Feeding pejerrey (Odontesthes bonariensis) fingerlings with natural and artificial diets

open access: yesCiência Rural, 2004
Neste trabalho, avaliou-se a resposta de alevinos de peixe-rei a diferentes tipos de alimentação, sendo os animais distribuídos num experimento com três tratamentos e quatro repetições, completamente ao acaso. Cada unidade de observação era composta por um aquário de 20 litros contendo 20 animais com três dias de idade.
Sérgio Renato Noguez Piedras   +1 more
openaire   +1 more source

Effect of different light regimes on the maturational progress of the whitespotted rabbitfish (Siganus sutor) [PDF]

open access: yes, 2013
In this study, the effects of different light regimes on the reproductive activity of a typical Indo-Pacific coral reef rabbitfish, Siganus sutor, were evaluated.
Hosseinzadeh, H.   +3 more
core  

Semblanzas ictiológicas : Caludia Soledad Reartes [PDF]

open access: yes, 2014
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Ponte Gómez, Justina. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
López, Hugo Luis, Ponte Gómez, Justina
core  

SAPROLEGNIASIS IN WILD SILVERSIDE Odontesthes bonariensis (PISCES: ATHERINOPSIDAE) OF ARGENTINA

open access: yesRevista Brasileira de Medicina Veterinaria, 2010
ABSTRACT. Mancini M., Rodriguez C., Barberis C., Astoreca A. & Brol G. [Saprolegniasis in wild silverside Odontesthes bonariensis (Pisces: Atherinopsidae) of Argentina]. Registro de saprolegniasis en ejemplares silvestres de pejerrey Odontesthes bonariensis (Pisces: Atherinopsidae) de Argentina.
Mancini, Miguel   +4 more
openaire   +2 more sources

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