Abstract
Will be used 120 adult rattlesnakes Caudisona durissa terrifca, 60 males and 60 females, with a minimum weight of 800g, from the Center for the Study of Venoms and Venomous Animals, CEVAP / UNESP, Botucatu, SP. The reproductive cycle of these animals will be monitored through the evaluation of ultrasound changes of the reproductive system, correlating the images with measurement of serum …