Variations in buck semen motility assessed by CASA system: Correlations with environmental temperature J Dorado, M Hidalgo and I Rodríguez Animal Reproduction Unit, University of Cordoba, Spain Several factor affect goat semen production and sperm quality and knowledge of these factors is very important to improve goat reproductive efficiency. This study determined the influence of [...]
Estimation of seasonal effect on sperm motility in fresh semen from bulls C Tamargo, M Carbajo, C Díez, S de la Varga and CO Hidalgo SERIDA, Gijón, Spain, Facultad de Veterinaria, León, Spain Seasonal changes can affect sperm motility, which is essential for fertilization. Computer-assisted semen analysis (CASA) provides more accurately values than those obtained [...]
Morphometric and chromatin assessment in brown bear (Ursus Arctos) ejaculated spermatozoa V García-Macías, F Martínez-Pastor, P Paz, M Álvarez, S Borragan, F Martínez, E Anel and L Anel Animal Reproduction, Cell Biology and Anatomy, University of León, Cabarceno Park, Cantabria, Spain The Brown bear is a highly endangered species in Spain. The study of its [...]
Morphometric characterization of epididymal and ejaculated spermatozoa from brown bear (Ursus Arctos) V. Garcia-Macias, F. Martinez-Pastor, M. Alvarez, P. Paz, S. Borragan, M. Celada, E. Anel and L. Anel Reproduction and Obstetrics, University of León, León, Spain; Cell Biology, University of León, León, Spain; Cabarceno Park, Cantabria, Spain Sperm morphology is an useful characteristic for [...]
Estimation of sperm quality in fresh and frozen–thawed semen from Asturiana de los Valles bulls C. Tamargo, M. Carbajo, C. Diez, D. Martin and C. O. Hidalgo Servicio Regional de Investigación y Desarrollo Agroalimentario Artificial insemination and semen cryopreservation have significantly improved the breeding potential of male animals. However, current freezing techniques commonly result in [...]
Description of genitalia and sperm recovered postmortem from a pygmy sperm whale, Kogia Breviceps F. Martinez-Pastor, V. Garcia-Macias, J. Garcia, M. Alvarez, E. Anel, P. Herraez, P. de Paz and L. Anel Animal Reproduction, University of León, León, Spain; Cell Biology, University of León, León, Spain A pygmy sperm whale (Kogia breviceps; adult male; 350 [...]
Epididymal sperm cryopreservation of one Somalia wild ass (Equus Africanus Somaliensis) using six different extenders M. Álvarez, F. Martínez-Pastor, V. García-Macías, S. Borragán, M. Celada, J. Bernardo, N. Gonzalez, S. Alves and L. Anel Animal Reproduction, University of León, León, Spain; Cell Biology, University of León, León, Spain; Cabarceno Park, Santander, Cantabria, Spain The Somalia [...]
Addition of reduced glutathione to thawing medium improved the sperm motility and reduced ros generation in frozen ovine and caprine spermatozoa J. C. Gardón, J. A. Rodriquez and J. Gadea University of Murcia The processes of cooling and freezing/thawing produce physical and chemical stress on the sperm membrane, and this stress is associated with oxidative [...]
Effect of collection rhythm on spermatozoa and droplet concentration of rabbit semen Castellini C., Lattaioli P., Cardinali R., Dal Bosco A. Dpt. Biologia Vegetale, Biotecnologie Agroambientali e Zootecniche, Borgo 20 Giugno, 74 06100, PERUGIA, Italy The aim of the paper was to analyse the effect of collection rhythms on spermatozoa and droplet concentration of rabbit [...]
Kinematic changes during the cryopreservation of boar spermatozoa Cremades T, Roca J, Rodriguez-Martinez H, Abaigar T, Vazquez JM, Martinez EA Department of Medicine and Animal Surgery, Faculty of Veterinary Medicine, Campus de Espinardo, University of Murcia, E-30071 Murcia, Spain The present study evaluates the effect that various steps of a conventional cycle of cryopreservation have [...]
