Descripción: “...Specific bibliography was in use to the ends of identifying the articles and trying that the same ones include concepts of structure, process and result. ...”

Descripción: “...El estudio permitió establecer la edad de cuatro años como la de mejor desempeño de hembras de Brycon siebenthalae en cautiverio.Palabras clave:  Brycon siebenthalae,  yamú, factor de condición relativo, reproducción inducida.ASBTRACT: Of the several approaches  that can be used to select females of fish to the reproductive induction with  hor mones,  the  relative condition factor (Kn) is one that is not very well known and for the same thing little used. In this study it was used Kn = Pt / Pe (relative condition factor as the quotient of the registered weight and the dear prospective theoretical  weight through the relationship weight-length) during four serial  reproductive periods to select females of the same group. ...”

Descripción: “...All tests were performed on the same tissue and with the same routine to perform a measurement of cutting repeatability. ...”

Descripción: “...On the other hand, applying the same method to the leaves of the crown of the fruit, fibers between 4 and 10 cm of length are obtained. ...”