Maintenance work on the ZORA database servers is scheduled for Thursday 25th July 2019 from 19:00-20:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Pricking, S; Bollwein, Heiner; Spilker, K; Martinsson, G; Schweizer, A; Thomas, S; Oldenhof, H; Sieme, H (2017). Testicular volumetry and prediction of daily sperm output in stallions by orchidometry and two- and three-dimensional sonography. Theriogenology, 104:149-155.