Ecología trófica de la Garza blanca Ardea alba (Pelecaniformes: Ardeidae) en un humedal del río Paraná, Argentina [PDF]
, 2013 Se estudió la ecología trófica de la Garza blanca (Ardea alba) mediante el análisis del contenido estomacal de 38 individuos capturados entre 1990 y 1993 en un humedal del río Paraná, Argentina.
Beltzer, Adolfo Hector +2 more
core +2 more sources
Estudo de oito espécies da familia Anostomidae (Pisces, Characiformes) através da análise de RAPD
Acta Scientiarum: Biological Sciences, 2008 A técnica de Polimorfismo de DNA Amplificado ao Acaso (RAPD) foi utilizada na análise de oito espécies de peixe da família Anostomidae, com a finalidade de quantificar a variabilidade genética e estimar a similaridade genética dentro e entre essas ...
Lucimara Chiari +1 more
doaj +1 more source
Parasite diversity in Oxydoras niger (Osteichthyes: Doradidae) from the basin of Solimões River, Amazonas state, Brazil, and the relationship between monogenoidean and condition factor. [PDF]
, 2017 This study describes the parasitic fauna of Oxydoras niger from the Coari Lake, tributary of the medium Solimões River, State of Amazonas, Brazil, and the relationship between the number of Monogenoidea and the condition factor.
JERÔNIMO, G. T. +3 more
core +1 more source
Factor de condición relativo de Leporinus acutidens (Valenciennes,1837) (pisces, anostomidae) en el alto rio Paraná, aguas abajo de la represa Yacyretá [PDF]
, 2013 Leporinus acutidens (Valenciennes, 1837) es una de las especies más abundantes del Alto río Paraná. El objetivo del presente trabajo fue evaluar los cambios espacio-temporales en el estado de bienestar de sus poblaciones en un tramo de este río, aguas ...
Barrios, Carlos Eduardo +4 more
core +2 more sources
Cryopreservation of Embryos and Oocytes of South American Fish Species [PDF]
, 2014 Non
Digmayer, M. +5 more
core +1 more source
Effects of In Vivo Exposure to Roundup® on Immune System of Caiman latirostris. [PDF]
, 2012 The present study aimed to evaluate the effect of Roundup® (RU, glyphosate-based formulation) on some parameters of the immune system and growth of Caiman latirostris. Seventy-two caimans (20-day-old) from Proyecto Yacaré (Gob. Santa Fe/MUPCN) were used.
Larriera, Alejandro +4 more
core +1 more source
Different feeding habits influence the activity of digestive enzymes in freshwater fish
Ciência Rural: The aim of this study was to verify the activity of some digestive enzymes in four fish species with different feeding habits. Knowledge of these enzymatic activities can help us to understand the species' digestive processes.
Carolina Rosa Gioda +8 more
doaj +1 more source
Acta Scientiarum: Biological Sciences, 2015 This study determined the age and its correlation with biometric variables and reproductive indices of piapara Leporinus obtusidens caught at the Funil Reservoir. We caught 133 specimens between September 2006 and August 2007.
Viviane de Oliveira Felizardo +5 more
doaj +1 more source
Observations on non-randomly distribution of spores of Henneguya spp. (Cnidaria, Myxosporea, Myxobolidae) within plasmodia [PDF]
, 2017 Species of the cnidarian genus Henneguya Thelohan, 1892 (Myxosporea: Myxobolidae) are histozoic parasites commonly found in freshwater and, more rarely, in marine fish.
Adriano, Edson A. +6 more
core +2 more sources
Acta Scientiarum: Biological Sciences, 2008 A variabilidade genética de Leporinus lacustris foi estimada a partir de uma população coletada na lagoa do Carão (22o44’S/53o17’W), na planície de inundação do alto rio Paraná.
Maria Dolores Peres, Erasmo Renesto
doaj +1 more source