title: Effect of chamber characteristics, loading and analysis time on motility and kinetic variables analysed with the CASA-mot system in goat sperm.
abstract: Several factors unrelated to the semen samples could be influencing in the sperm motility analysis. The aim of the present research was to study the effect of four chambers with different characteristics, namely; slide-coverslip, Spermtrack, ISAS D4C10, and ISAS D4C20 on the sperm motility. The filling procedure (drop or capillarity) and analysis time (0, 120 and 240s), depth of chamber (10 or 20μm) and field on motility variables were analysed by use of the CASA-mot system in goat sperm. Use of the drop-filling chambers resulted in greater values than capillarity-filling chambers for all sperm motility and kinetic variables, except for LIN (64.5% compared with 56.3% of motility for drop- and capillarity-filling chambers respectively, P<0.05). There were no significant differences in total sperm motility between different chamber depths, however, use of the 20μm-chambers resulted in greater sperm progressive motility rate, VSL and LIN, and less VCL and VAP than chambers with a lesser depth. There was less sperm motility and lesser values for kinetic variables as time that elapsed increased between sample loading and sperm evaluation. For sperm motility, use of droplet-loaded chambers resulted in similar values of MOT in all microscopic fields, but sperm motility assessed in capillarity-loaded chambers was less in the central fields than in the outermost microscopic fields. For goats, it is recommended that sperm motility be analysed using the CASA-mot system with a drop-loaded chamber within 2min after filling the chamber.
authors.affiliation: Departamento de Biología Celular, Biología Funcional y Antropología Física, Universitat de València, 46100, Burjassot, Valencia, Spain.
authors.forename: R
authors.initials: R
authors.lastname: Del Gallego
authors.affiliation: Departamento de Biología Celular, Biología Funcional y Antropología Física, Universitat de València, 46100, Burjassot, Valencia, Spain.
authors.forename: S
authors.initials: S
authors.lastname: Sadeghi
authors.affiliation: Centro de Tecnología Animal, Instituto Valenciano de Investigaciones Agrarias, Apdo 187, Pol. La Esperanza no. 100, 12400, Segorbe, Castellón, Spain.
authors.forename: E
authors.initials: E
authors.lastname: Blasco
authors.affiliation: Departamento de Biología Celular, Biología Funcional y Antropología Física, Universitat de València, 46100, Burjassot, Valencia, Spain.
authors.forename: C
authors.initials: C
authors.lastname: Soler
authors.affiliation: TECNOGAM Research Group, Instituto Universitario de Ciencias Ambientales (IUCA), Departamento de Producción Animal y Ciencia de los Alimentos, Universidad de Zaragoza, Huesca, Spain.
authors.forename: J L
authors.initials: JL
authors.lastname: Yániz
authors.affiliation: Departamento de Biología Celular, Biología Funcional y Antropología Física, Universitat de València, 46100, Burjassot, Valencia, Spain. Electronic address: miguel.silvestre@uv.es.
authors.forename: M A
authors.initials: MA
authors.lastname: Silvestre
mesh_terms: D000818:Animals; D006041:Goats; D007700:Kinetics; D008297:Male; D055101:Semen Analysis / Q000295:instrumentation* / Q000379:methods* / Q000662:veterinary; D013048:Specimen Handling / Q000295:instrumentation* / Q000379:methods / Q000662:veterinary; D013076:Sperm Count / Q000295:instrumentation / Q000379:methods / Q000662:veterinary; D013081:Sperm Motility; D013094:Spermatozoa / Q000166:cytology; D013997:Time Factors
keywords: Chamber; Goat; ISAS(®) CASA-mot; Loading technique; Sperm motility