title: Oocyte quality of tambaqui (Colossoma macropomum) during the reproductive season.
abstract: The study aimed to analyze the Colossoma macropomum reproductive behavior and quality of the female gametes throughout the reproductive season. The experiment was carried out in Pimenta Bueno - Rondônia State (Northern Brazil) during the reproductive season (2010-2011) using 36 females. Each sampling was performed on a 15 ± 5 days interval. Female gametes were collected by stripping and the following analyses were performed: weight of oocytes released (g); productivity index, fertilization and hatching rate. During the sampling period was verified effect (p < 0.05) of collecting time into the season for oocytes weight, productivity index and fertilization rate. Although the period 3 (December) did not differ significantly from other periods, it showed better parameters for the quality of C. macropomum oocytes.
authors.affiliation: Instituto Federal de Educação, Ciências e Tecnologia de Rondônia, Ariquemes, RO, Brazil.
authors.forename: J M
authors.initials: JM
authors.lastname: Galo
authors.affiliation: Departamento de Zootecnia, Universidade Estadual de Maringá, Maringá, PR, Brazil.
authors.forename: R P
authors.initials: RP
authors.lastname: Ribeiro
authors.affiliation: Departamento de Zootecnia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
authors.forename: D P
authors.initials: DP
authors.lastname: Streit-Junior
authors.affiliation: Departamento de Zootecnia, Universidade Estadual de Maringá, Maringá, PR, Brazil.
authors.forename: D M
authors.initials: DM
authors.lastname: Albuquerque
authors.affiliation: Genetic Fish Rise, Sorriso, MT, Brazil.
authors.forename: D C
authors.initials: DC
authors.lastname: Fornari
authors.affiliation: Tortuga Companhia Zootécnica Agrária, Vilhena, RO, Brazil.
authors.forename: C F C
authors.initials: CF
authors.lastname: Roma
authors.affiliation: Departamento de Zootecnia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
authors.forename: L R J
authors.initials: LR
authors.lastname: Guerreiro
mesh_terms: D000818:Animals; D001835:Body Weight; D001938:Brazil; D060126:Characidae / Q000145:classification / Q000502:physiology*; D005260:Female; D008297:Male; D009865:Oocytes / Q000502:physiology*; D012098:Reproduction / Q000502:physiology*; D012621:Seasons