Lipizzan Stallion (image) Cell Press Share Print E-Mail Caption This photograph shows a Lipizzan stallion named Conversano Sessana, born in 2001.The Y sequence that is needed as a template to detect variants in any horse is generated from a stallion of this breed. Credit Spanische Hofreitschule Wien Usage Restrictions Credit Required. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.