Results 71 to 80 of about 2,932 (193)
Revista de la Facultad de Ciencias Agropecuarias, 2015 El trabajo se realizó en la Estación Piscícola de la Granja Santo Domingo de la Universidad de la Amazonia, ubicada a 7km de la Ciudad de Florencia, teniendo como objetivo evaluar la sustitución de concentrado comercial por Guppy(Poecilia reticulata ...
H. E. Ocaña, S. M. Cruz, D. M. Parra
doaj
Optimización de un método analítico para la determinación de mercurio en muestras ambientales por espectrometría UV-Visible [PDF]
Avances en Química, 2012 Dithizone´s colorimetric method was modified and quasi miniaturized for mercury determination in water and Lemna minor and Piaractus brachypomus tissue. Detection limit (4-22µg.L-1) was adequate for environmental studies.
Xiomara Piña +4 more
doaj
Sperm motility and velocities of Characiformes fishes in different times post-activation
Semina: Ciências Agrárias, 2015 The objective of the current study was to observe the performance kinetics (motilities and velocities) of the spermatozoa from Prochilodus brevis (curimatã), Colossoma macropomum (tambaqui) and Piaractus brachypomus (pirapitinga) species in different ...
Mônica Aline Parente Melo-Maciel +6 more
doaj +1 more source
Fishers' ecological knowledge points to fishing‐induced changes in the Peruvian Amazon
Ecological Applications, Volume 34, Issue 5, July 2024.Abstract Scientists increasingly draw on fishers' ecological knowledge (FEK) to gain a better understanding of fish biology and ecology, and inform options for fisheries management. We report on a study of FEK among fishers along the Lower Ucayali River in Peru, a region of exceptional productivity and diversity, which is also a major supplier of fish ...
David Poissant +3 more
wiley +1 more source
Ciencia Amazónica (Iquitos), 2015 En acuicultura, los peces son susceptibles al ataque de virus, bacterias, hongos y ectoparásitos. Estos organismos se tornan en un serio problema cuando los peces se encuentran con bajas defensas naturales, se crían en altas densidades y/o se altera ...
Fernando Alcántara Bocanegra +5 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
REVISTA CIÊNCIA AGRONÔMICA, 2019 ABSTRACT The aim of this study was to evaluate different levels of dietary supplementation with dried Arthrospira platensis meal during the breeding season of the tambatinga hybrid, using zootechnical performance, haematological parameters and percent composition of the fillet, and by measuring the parameters of water quality.
Ribeiro, Pedro Florêncio +4 more
openaire +4 more sources
Aquaculture, Fish and Fisheries, Volume 4, Issue 3, June 2024.Nile tilapia fed a diet where the entire oil component (5%) was replaced by Schizochytrium microalgae oil grew twice as fast than fish fed plant oil or a mixture of plant and fish oil. Dietary omega‐3 content was strongly correlated with omega‐3 deposition in the fish fillet.
Sergio Trevi +3 more
wiley +1 more source
OCCURRENCE OF SERRASSALMIDAE HYBRID FISH IN THE AMAZON RIVER BASIN, BRAZIL [PDF]
, 2019 This study reports a case of occurrence of hybrid fish in the Amazon River basin, Brazil and attentive on to possible risks promoted with from crossbreeding between two species on local biodiversity.
Foreti, Fausto +6 more
core +4 more sources
Riscos genéticos da produção de híbridos de peixes nativos. [PDF]
, 2015 A produção de peixes nativos e seus híbridos chama a atenção daqueles que observam o Brasil como alvo de investimentos agropecuários e futura potência da aquicultura mundial.
ALVES, A. L. +3 more
core