title: Cryopreservation of stallion semen collected from good and poor freezers using a  directional freezing device (Harmony CryoCare--Multi Thermal Gradient 516).
authors.affiliation: Clinic for Horses, University of Veterinary Medicine Hannover, Hannover, Germany.
authors.forename: H
authors.initials: H
authors.lastname: Zirkler
authors.forename: K
authors.initials: K
authors.lastname: Gerbes
authors.forename: E
authors.initials: E
authors.lastname: Klug
authors.forename: H
authors.initials: H
authors.lastname: Sieme
mesh_terms: D000818:Animals; D015925:Cryopreservation / Q000295:instrumentation / Q000662:veterinary*; D006736:Horses; D008297:Male; D012662:Semen Preservation / Q000379:methods / Q000662:veterinary*; D013081:Sperm Motility