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This Concept Map, created with IHMC CmapTools, has information related to: Open Castration in Horses, Exteriorise the testicle and pull it distally Place emasculator on the spermatic cord as proximally as possible Do not trap skin, Intra-op procedure Make longitudinal incision in scrotum 4 cm from median raphe, Intra-op procedure Make longitudinal incision in scrotum Break scrotal ligament (mouse over), Open Castration entails Exteriorising the testicles, General Anaesthesia involves Preparation (mouse over), Exteriorise the testicle and pull it distally Place emasculator on the spermatic cord as proximally as possible Crush and cut spermatic cord (mouse over), Intra-op procedure Make longitudinal incision in scrotum Generous length, Position emasculator for younger horses Do in one section (mouse over), Open Castration in Horses involves Intra-op procedure, Drugs (mouse over) consider Reversal agents (mouse over), Open Castration entails Using the emasculator, Position emasculator for older horses Do in two sections (mouse over), Drugs (mouse over) consider Sample calculation, Do in one section (mouse over) ???? Crush and cut spermatic cord (mouse over), General Anaesthesia involves Drugs (mouse over), Open Castration entails Entering the vaginal tunic, Do in two sections (mouse over) ???? Crush and cut spermatic cord (mouse over), Intra-op procedure Make longitudinal incision in scrotum Cut through skin, tunica dartos, scrotal fascia, Exteriorise the testicle and pull it distally Place emasculator on the spermatic cord as proximally as possible Place transversally, at 90 degrees to the cord, Sample calculation for Xylazine Assuming yearling weight = 250 kg V = WD/C = (250)(1.1)/(100) = 2.75 ml