Estimulação da espermiação em curimbatá Prochilodus scrofa (Steindachner) através de aplicaçoes de HCG (Ostheichthyes, Characiformes, Prochilodontidae) [PDF]
Sperm of 180 three year old males of curimbata, Prochilodus scrofa (Steindachner, 1881), was collected to verify the possibility of utilization of these males more than one time, and to know how long after the hormonal induction would occur the highest production of milt. This experiment was carried out in 1991 and 1992. After sperm was collected, each
Kavamoto, Emico T +7 more
openaire +3 more sources
Ictiólogos de la Argentina : Sara Beatríz Sverlij [PDF]
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Padin, Oscar Horacio. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
López, Hugo Luis +2 more
core
Implications of differences between temperate and tropical freshwater ecosystems for the ecological risk assessment of pesticides [PDF]
Despite considerable increased pesticide use over the past decades, little research has been done into their fate and effects in surface waters in tropical regions.
Brink, P.J., van den, Daam, M.A.
core +2 more sources
Changes in Prochilodus scrofa gill tissue and in blood responses were investigated after 96-h copper exposure and transference to clean water. Gill damage was characterized by epithelial lifting, cell swelling, pavement, chloride and mucous cell proliferation, and blood vessel anomalies.
Carla C C, Cerqueira +1 more
openaire +2 more sources
Evidence for a System of Supernumerary Chromosomes inProchilodus ScrofaSteindachner, 1881 (Pisces, Prochilodontidae) [PDF]
SUMMARYBoth males and females of the fish Prochilodus scrofa have a diploid number of 2n = 54. However, with the exception of a single female, all 59 specimens (25 ♀, 34 ♂) studied had 1–5 minutes accessory chromosomes. The unstable behavior of these chromosomes during mitosis and meiosis as well as their heterochromatic nature, as detected by C ...
E. Pauls, L. A. C. Bertollo
openaire +1 more source
Ictiologos de la Argentina: Sara Beatriz Sverlij [PDF]
This series will include all those people who, by means of their contributions, great and small, played a part in the consolidation of ichthyology in Argentina.
López, Hugo Luis +2 more
core
Estimation de l'âge individuel de Prochilodus nigricans (Teleostei, Prochilodae) dans le Béni (Bolivie) : protocole d'étude et application [PDF]
L'estimation de l'âge de #Prochilodus nigricans$ Agassiz, 1829 est réalisée à partir de 840 poissons pêchés de 1983 à 1987 dans les principaux milieux du réseau hydrographique de la rivière Mamoré (Béni, Bolivie). Diverses préparations et observations de
Loubens, Gérard, Panfili, Jacques
core
Evaluación de los efectos del herbicida glifosato en el pez Prochilodus lineatus a través del test de aberración cromosómica. [PDF]
The widespread use of glyphosate has been subject of numerous controversies since the prolonged exposure to low concentrations of this substance could lead to toxic effects.
Caramello, C. S. +3 more
core +2 more sources
Manejo de cultivo utilizado pela Arapeixe agroindustrial para produção de peixes brasileiros de água doce [PDF]
Trabalho de Conclusão de Curso - Universidade Federal de Santa Catarina. Curso de Engenharia de Aquicultura.
Nunes, Fabrício Flores
core
Ichthyofaunistic composition of the Quilombo river, tributary of the Mogi-Guaçu river, upper Paraná river basin, southeastern Brazil [PDF]
Um estudo sobre a composição ictiofaunística do rio Quilombo foi realizado com o intuito de identificar quais espécies de peixes habitam a bacia, com que freqüência tais espécies são encontradas e verificar variações na distribuição longitudinal desta ...
APONE, Fernando +2 more
core +1 more source

