Effect of the addition of two superoxide dismutase analogues (Tempo and Tempol) to alpaca semen extender for cryopreservation AS Acosta, SE Vargas, MV Cuya, JR González, RS Gutiérrez Theriogenology 79 (5), 842-846, 2013 | 59 | 2013 |
Oocyte Selection for In Vitro Embryo Production in Bovine Species: Noninvasive Approaches for New Challenges of Oocyte Competence L Aguila, F Treulen, J Therrien, R Felmer, M Valdivia, LC Smith Animals 10 (12), 1-24, 2020 | 54 | 2020 |
Efecto de dilutores en base a Tris, Tes y leche descremada en la criopreservación de espermatozoides obtenidos del epidídimo de alpaca J Banda, S Evangelista, L Ruiz, R Sandoval, C Rodríguez Ll, M Valdivia, ... Revista de Investigaciones Veterinarias del Perú 21 (2), 145-153, 2010 | 46 | 2010 |
Efecto antiinflamatorio y antioxidante del extracto hidroalcohólico de Petiveria alliacea C Zaa, M Valdivia, Á Marcelo Revista peruana de biología 19 (3), 329-334, 2012 | 32 | 2012 |
Immunolocalization of proacrosin/acrosin in rabbit sperm during acrosome reaction and in spermatozoa recovered from the perivitelline space M Valdivia, R Yunes, J Melendez, AE De Ioannes, L Leyton, MI Becker, ... Molecular reproduction and development 37 (2), 216-222, 1994 | 29 | 1994 |
Efecto de la refrigeración sobre la motilidad, integridad de membrana acrosomal y reacción acrosomal en espermatozoides caninos P Manosalva, C Cortés, V Leyva, C Valdivia, S De los Reyes, R Barros, ... Revista de Investigaciones Veterinarias del Perú 16 (2), 114-128, 2005 | 28 | 2005 |
Criopreservación de semen de alpacas M Valdivia, M Ruiz, L Bermúdez, S Quinteros, A Gonzales, I Manosalva, ... II congreso Mundial sobre camélidos. Cusco, Perú, 1999 | 28 | 1999 |
Hypoosmotic swelling test in epididymal ram (Ovis aries) spermatozoa J Vasquez, EA Florentini, LA Camargo, J Gonzales, M Valdivia Livestock science 157 (2-3), 618-622, 2013 | 24 | 2013 |
Morphological alterations in cryopreserved spermatozoa of scallop Argopecten purpuratus C Espinoza, M Valdivia, E Dupré Latin american journal of aquatic research 38 (1), 121-128, 2010 | 22 | 2010 |
Proteolytic activity of rabbit perivitelline spermatozoa M Valdivia, T Sillerico, A De Ioannes, C Barros Zygote 7 (2), 143-149, 1999 | 20 | 1999 |
Agentes crioprotectores alternativos para el congelamiento lento de espermatozoides epididimarios de alpaca (Vicugna pacos) N Canorio Pariona, F Paredes Arnedo, M Valdivia Cuya Revista de Investigaciones Veterinarias del Perú 26 (3), 434-443, 2015 | 18 | 2015 |
Effects of five cryoprotective agents on quality of sheep epididymal spermatozoa during pre-freezing JH Vásquez, VH Núñez, EA Florentini, JM Gonzales, LA Camargo, ... Livestock Science 152 (1), 94-99, 2013 | 18 | 2013 |
Proacrosin and acrosin determination during capacitation and acrosome reaction in rabbit spermatozoa. T Sillerico, M Valdivia, B Claudio BioCell 20 (2), 133-142, 1996 | 17 | 1996 |
Hypoosmotic Swelling Test in Alpaca (Vicugna pacos) Epididymal Spermatozoa J Vásquez, EA Florentini, M Valdivia Reproduction in domestic animals 47 (6), e83-e87, 2012 | 16 | 2012 |
Effect of Lepidium meyenii (maca) on testicular function of mice with chemically and physically induced subfertility M Valdivia, K Yarasca, G Levano, J Vasquez, H Temoche, L Torres, ... Andrologia 48 (8), 927-934, 2016 | 13 | 2016 |
Sperm passage through the egg coats C Barros, J Melendez, M Valdivia, M Rios, R Yunes Biological Research 26, 417-417, 1993 | 11 | 1993 |
Spermatogonial stem cells identified by molecular expression of PLZF, integrin β1 and reactivity to Dolichos biflorus agglutinin in alpaca adult testes M Valdivia, S Castañeda‐Zegarra, G Lévano, J Lazo, J Reyes, Z Bravo, ... Andrologia 51 (6), e13283, 2019 | 10 | 2019 |
Effect of extenders based on Tris, Tes and skim milk on cryopreservation of epididymal alpaca sperm. J Banda R, S Evangelista V, L Ruiz G, R Sandoval M, C Rodríguez Ll, ... | 10 | 2010 |
Effects of cryoprotectants on alpacas spermatozoa during cooling process. ME Valdivia, NM Canorio, EL Carrillo, PC Uipan BIOLOGY OF REPRODUCTION, 228-228, 2005 | 10 | 2005 |
Golden hamster perivitelline spermatozoa do not show proacrosin/acrosin at the inner acrosomal membrane R Yunes, J Melendez, M Valdivia, C Barros Biological research 25, 91-91, 1992 | 10 | 1992 |