Evaluation of two cryprotectans and three curves of programable freezing in semen cryopreservation of Brycon henni (Pisces: Characidae) ; Evaluación de Dos Crioprotectores y Tres Curvas de Congelación Programable en la Criopreservación de Semen de Brycon henni (Pisces: Characidae)

The aim of this study was to evaluate the cryopreservation of Brycon henni semen using three programmable freezing curves and two permeable cryoprotectants. Semen of 80 males were diluted in medium supplemented with ethylene glycol (EG) or dimethylsulfoxide (DMSO), and cryopreserved in semen straws using three programmable freezing curves: slow (66 min, -0.42 °C/min), medium (43.3 min, -0.6 °C/min) and ultra-rapid (7.7 min, -5.19 °C/min). After one month of storage, semen was thawed and motility was evaluated through a class analysis system (SCA®) and sperm vitality (EV) by fluorescence micros... Mehr ...