title: Evaluation of slow cooling after centrifugation and glycerol addition at 22 degrees C versus  direct freezing of semen in stallions with good and poor sperm longevity.
authors.affiliation: Institute of Animal Breeding, Mariensee, Germany.
authors.forename: K
authors.initials: K
authors.lastname: Knop
authors.forename: N
authors.initials: N
authors.lastname: Hoffmann
authors.forename: D
authors.initials: D
authors.lastname: Rath
authors.forename: H
authors.initials: H
authors.lastname: Sieme
mesh_terms: D000818:Animals; D002498:Centrifugation / Q000662:veterinary*; D003080:Cold Temperature; D015925:Cryopreservation / Q000662:veterinary*; D005990:Glycerol / Q000008:administration & dosage*; D006736:Horses; D008297:Male; D012662:Semen Preservation / Q000379:methods / Q000662:veterinary*
chemical_list: D005990:Glycerol