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Oogenesis in Laetacara araguaiae (Ottoni and Costa, 2009) (Labriformes: Cichlidae)
(Zygote (cambridge, England), 2015-09-09) [Artigo]
We aimed to analyze the oogenesis of adult females of the cichlid fish Laetacara araguaiae. The specimens' gonads were removed and processed for light and transmission electron microscopy. Oogenesis in L. araguaiae showed ...
Spermatozoon ultrastructure and semen parameters of Brycon vermelha (Characiformes, Characidae)
(Animal Reproduction Science, 2015-06-01) [Artigo]
This study analyzed semen parameters and the ultrastructure of spermatozoa of Brycon vermelha. The semen was white and viscous, with a mean volume of 5.0 +/- 2.6 mL/kg body weight and mean spermatozoon concentration of 4.3 ...