The sterilization of an eight years old arabian stallion is described. The
operation was realized on the cauda epididymidis. The sterilization of stal
lions is a chance to preserve the exterieur and libido without influence on
mentality and with loss of procreative capacity. The following injury is v
ery small in relation to the surgical castration and there is no risk of in
guinal hernia in connection with this kind of operation. Because of the loc
ation of the wound there is a simple after-treatment. Including qualified a
ntibiosis and prophylaxis of tetanus this intervention is feasible in the s
table.