title: Sperm tail-stump defect in a Holstein bull.
authors.affiliation: Genus Freezing Unit, Llanrhydd, Ruthin, Denbighshire LL15 2UP.
authors.forename: S G
authors.initials: SG
authors.lastname: Revell
authors.forename: N
authors.initials: N
authors.lastname: Cranfield
authors.forename: W
authors.initials: W
authors.lastname: Cooley
mesh_terms: D000818:Animals; D002417:Cattle; D008297:Male; D017348:Microscopy, Electron, Scanning Transmission / Q000662:veterinary; D013094:Spermatozoa / Q000002:abnormalities*