A preservation protocol has not been established for Colossoma macropomum oocytes, and
its development may improve the production and breeding programs of this South American …

To better understand the endocrine control of reproduction in Characiformes and the
reproductive dysfunctions that commonly occur in migratory fish of this order when kept in …

Abstract The Amazonian pirarucu, Arapaima gigas, belongs to a phylogenetically basal
group of teleosts (family Osteoglossidae). The commercial importance and the overexploited …

The effect of dietary β-glucan on seminal plasma composition, sperm characteristics,
expression of aquaporins, and antioxidative defence genes of golden mahseer was …

Hypancistrus zebra is an ornamental fish endemic to the Xingu River (Brazilian Amazon)
and is critically endangered by the construction of a hydroelectric plant in its habitat and …

We have previously shown an increase on the ovulation rate of pacu, Piaractus
mesopotamicus, using hypophysation with prostaglandin F2α (PGF2α)(HPG protocol) rather …

The aim of this study was to determine the effect of seasonality on post‐thaw sperm quality
in Prochilodus lineatus. Sperm from 43 males was cryopreserved throughout the …

In this study, we evaluated the potential use of sGnRHa slow-release implants (150 μg–
Ovaplant®) for promoting an increased number of suitable Piaractus mesopotamicus …

The aim of this study was to investigate the labile period of gonadal development in Brycon
orbignyanus maintained under cultivation conditions and contribute to the creation of …

In this study, we investigated the reproductive cycle and spawning season of old (OFs) and
young (YFs) P. mesopotamicus females, aiming to improve the process of selection of …