Hormonal and ultrasonographic characterization of the seasonal reproductive cycle of male and female .

Research concerning to characterize seasonal reproductive cycle in males and females of by ultrasound and hormonal measurement. Reproductive aspects (follicular and testicular cycles, and pregnancy) from 28 adult snakes (14 males and 14 females) during different months of the years were studied. Snakes housed individually in cages in an environment with controlled luminosity and humidity, and fed monthly.