Objective assessment of goat sperm head size by computer-assisted sperm morphometry analysis (ASMA) M. Hidalgo, J. Dorado Animal Reproduction, Department of Medicine and Animal Surgery, University of Cordoba, Spain The aim of the present study was to identify different objective categories of sperm head size evaluation, using both morphometric and statistical analyses. For this purpose, [...]
Out-of-season sperm cryopreserved in different media of the Amazonian freshwater fish pirapitinga (Piaractus brachypomus) Nascimento AF, Maria AN, Pessoa NO, Carvalho MA, Viveiros AT Dept Veterinary Medicine, Federal University of Lavras, UFLA, P.O. box 3037, Lavras, MG, 37200-000, Brazil The pirapitinga (Piaractus brachypomus) is a freshwater fish that inhabits the Amazon and Orinoco River basins. [...]
Effects of dilution and centrifugation on the survival of spermatozoa and the structure of motile sperm cell subpopulations in refrigerated Catalonian donkey semen J. Miró, E. Taberner, M. Rivera, A. Peña, A. Medrano, T. Rigau, A. Peñalba Department of Animal Medicine and Surgery, School of Veterinary Medicine, Autonomous University of Barcelona, E-08193 Bellaterra, Spain The [...]
Effects of cryopreservation on the motile sperm subpopulations in semen from Asturiana de los Valles bulls Muiño R, Peña AI, Rodríguez A, Tamargo C, Hidalgo CO Unidad de Reproducción y Obstetricia, Departamento de Patología Animal, Facultad de Veterinaria, Universidad de Santiago de Compostela (USC), Lugo, Spain The aim of this study was to identify different [...]
Effects of season and feeding level on reproductive activity and semen quality in Payoya buck goats Zarazaga LA, Guzmán JL, Domínguez C, Pérez MC, Prieto R Departamento de Ciencias Agroforestales, Universidad de Huelva, Carretera de Palos de la Frontera s/n, 21819 Palos de la Frontera, Huelva, Spain The aim of this study was to determine [...]
Study of three consecutive electroejaculations in brown bear (Ursus Arctos) L. Anel, S. Borragan, M. Alvarez, F. Martinez-Pastor, M. Mata-Campuzano, S. Gomes-Alves, E. Anel, P. de Paz University of León, León, Spain; Cabárceno Nature Park, Cantabria, Spain; IREC (CSIC-UCLM-JCCM), Albacete, Castilla-La Mancha, Spain The preservation of threatened species, such as the cantabric brown bear, requires [...]
Effects of cryopreservation on head morphometry and its relation with chromatin status in brown bear (Ursus arctos) spermatozoa Alvarez M, García-Macías V, Martínez-Pastor F, Martínez F, Borragán S, Mata M, Garde J, Anel L, De Paz P Animal Reproduction and Obstetrics, University of León, 24071 León, Spain The Cantabrian brown bear (Ursus arctos) is a [...]
Testis size, sperm characteristics and testosterone concentrations in four species of shrews (Mammalia, Soricidae) Parapanov RN, Nusslé S, Crausaz M, Senn A, Hausser J, Vogel P Department of Ecology and Evolution, University of Lausanne, CH-1015 Lausanne, Switzerland The aim of this study was to establish and compare the sperm characteristics in four shrew species in [...]
The effect of low-level laser irradiation on dog spermatozoa motility is dependent on laser output power Corral-Baqués MI, Rivera MM, Rigau T, Rodríguez-Gil JE, Rigau J Post-Degree Laser Medical Study, Rovira i Virgili University, Reus, Spain; Animal Reproduction Unit, Faculty of Veterinary Medicine, Autonomous University of Barcelona, Bellaterra, Spain Biological tissues respond to low-level laser [...]
Semen evaluation of two selected lines of rabbit bucks Safaa H.M., Vicente J.S., Lavara R., Viudes de Castro M.P. Animal Production Department, Faculty of Agriculture, Cairo University, 12613 GiZa. Egypt; Departamento de Ciencia Animal, Universidad Politécnica de Valencia. Camino de Vera s/n. 46022 valencia. Spain; Centro de Investigación y Tecnología Animal. Apdo 187. Polígono La [...]
