Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Rogelio Alejandro Ledezma Torres"'
Autor:
Fernando Sanchez-Davila, Hugo Bernal-Barragan, José Fernando Vazquez-Armijo, Nicolás López-Villalobos, Rogelio Alejandro Ledezma-Torres, Juraj Grizelj, Estela Garza Brenner, Nestor Arce Vasquez, Carlos Luna Palomera
Publikováno v:
Journal of Applied Animal Research, Vol 48, Iss 1, Pp 499-506 (2020)
The aim of this study was to determine the semen quality, sexual behaviour and testosterone (T) levels in Saint Croix rams under semi-desert climate conditions. Sixteen rams (70.6 ± 12.5 kg; 24.1 ± 0.3 months old) were randomly divided into a grazi
Externí odkaz:
https://doaj.org/article/54f9a8d63e99474daf8b88a9863ff2ea
Autor:
Gabriela Lisset Montes-Quiroz, Fernando Sánchez-Dávila, Juraj Grizelj, Hugo Bernal-Barragán, José Fernando Vazquez-Armijo, Alejandro Sergio del Bosque-González, Carlos Luna-Palomera, Adán González Gómez, Rogelio Alejandro Ledezma-Torres
Publikováno v:
Journal of Applied Animal Research, Vol 46, Iss 1, Pp 714-719 (2018)
This study aimed to evaluate the effect of reinserting controlled internal drug release (CIDR) devices after fixed-time artificial insemination (FTAI) on pregnancy rates in goats. Oestrus was synchronized with a short (5 days) CIDR protocol, and FTAI
Externí odkaz:
https://doaj.org/article/1b88d624938c4e01a19b4aa50395673f
Autor:
Fernando Sánchez Dávila, Viviana Aurora Martínez_Zuazua, Rogelio Alejandro Ledezma-Torres, Keyla Mauleón-Tolentino, Cecilia C. Zapata-Campos, Carlos Luna-Palomera, Estela Garza-Brenner
Publikováno v:
Agro Productividad.
O Objective: To evaluate the J-Synch protocol with two eCG doses in beef heifers during the summer in northeastern Mexico. Design/Methodology/Approach: 218 heifers (109/treatment) with a body weight of 350 ± 12.1 kg were used. A J-Synch protocol was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b049961aeb43ad57c4dce007f73d0d5f
https://doi.org/10.32854/agrop.v16i3.2387
https://doi.org/10.32854/agrop.v16i3.2387
Autor:
Fernando Sánchez‐Dávila, Víctor Adrián Hernández‐Melo, Rogelio Alejandro Ledezma‐Torres, Hugo Bernal‐Barragán, Carlos Luna‐Palomera, Rodolfo Ungerfeld
Publikováno v:
Reproduction in Domestic Animals. 57:611-615
Analogues of PGF2α have been used in boars with positive results on sexual behaviour, but limited impact on semen quality. The objective of this study was to determine whether the administration of Dinoprost tromethamine or D-Cloprostenol enhances t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::11bce7e83ee0affd1be896a8ec7de259
https://doi.org/10.1111/rda.14101
https://doi.org/10.1111/rda.14101
Autor:
Rogelio Alejandro Ledezma-Torres, Fernando Sánchez-Dávila, Diana Aimé Rodríguez-Miranda, Carlos Luna-Palomera, Juraj Grizelj, José Fernando Vázquez-Armijo, Nicolás López-Villalobos
The objective of this study was to determine the effect of the weaning method on lamb stress, body weight, sexual behavior, and semen quality of Saint Croix male lambs. The present study was carried out during the late spring and summer of 2018 in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dbfd05bcbb79f75790b5dc03a000c233
https://aab.copernicus.org/articles/65/259/2022/
https://aab.copernicus.org/articles/65/259/2022/
Autor:
Valeria Alvarado Gutierrez, Fernando Sánchez‐Dávila, Rogelio Alejandro Ledezma‐Torres, Sam Peterson, Estela Garza Brenner, Carlos Luna‐Palomera, José Fernando Vazquez‐Armijo, Nicolás López‐Villalobos, Juraj Grizelj
Publikováno v:
Reproduction in domestic animals = ZuchthygieneREFERENCES. 57(8)
To evaluate the effect of oxytocin as a cervical dilator, a study was carried out on nulliparous goats inseminated transcervically at the beginning of the breeding season. One hundred sixteen nulliparous goats with a mean live weight of 33.4 ± 0.68
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::60da716c3bfbacc06b718c30a0d609f3
https://pubmed.ncbi.nlm.nih.gov/35467775
https://pubmed.ncbi.nlm.nih.gov/35467775
Autor:
Sandra Ivon Santos, Fernando Sánchez-Dávila, José Fernando Vázquez-Armijo, Rogelio Alejandro Ledezma-Torres, Alejandro Sergio del Bosque-González, Carlos Luna Palomera, Hugo Bernal-Barragán
Publikováno v:
Italian Journal of Animal Science, Vol 14, Iss 4 (2015)
The objective of this study was to evaluate sexual behaviour and semen quality of St. Croix ram lambs bred in a semi-desert region. In Experiment 1, 24 yearling rams were assigned to two groups: T1 with 12 males confined for 11 months; T2 with 12 mal
Externí odkaz:
https://doaj.org/article/c23e718de5a8473eaa16e918fdeb01b4
Autor:
José Fernando Vázquez-Armijo, Nestor Arce Vasquez, Estela Garza Brenner, Nicolás López-Villalobos, Rogelio Alejandro Ledezma-Torres, Carlos Luna Palomera, Hugo Bernal-Barragán, Fernando Sánchez-Dávila, Juraj Grizelj
Publikováno v:
Journal of Applied Animal Research, Vol 48, Iss 1, Pp 499-506 (2020)
The aim of this study was to determine the semen quality, sexual behaviour and testosterone (T) levels in Saint Croix rams under semi-desert climate conditions. Sixteen rams (70.6 ± 12.5 kg ; 24.1 ± 0.3 months old) were randomly divided into a graz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::feebddd5ff5c8e6dc89ca341e1f3a603
https://doi.org/10.1080/09712119.2020.1830778
https://doi.org/10.1080/09712119.2020.1830778
Autor:
Hugo Bernal-Barragán, José Fernanco Vázquez-Armijo, Estela Garza-Brenner, Fernando Sánchez-Dávila, Rogelio Alejandro Ledezma-Torres, Nestor Arce-Vázquez, Juraj Grizelj, Gabriela Lisset Montes-Quiroz, David Domínguez-Díaz, Rubén Cervantes-Vega
Publikováno v:
Tropical Animal Health and Production. 51:2521-2527
The objective of this study was to determine the effect of breed and equine chorionic gonadotropin (eCG) on ovarian response and in vitro embryo production from young goats. Thirty-one (12 Alpine, 10 Nubian, and 9 Saanen) were randomly assigned into
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4febab1cc63ee82d539caa94f66b1571
https://doi.org/10.1007/s11250-019-01972-5
https://doi.org/10.1007/s11250-019-01972-5
Autor:
Hugo Bernal-Barragán, Adan Gonzalez Gomez, Alejandro Sergio del Bosque-González, Rogelio Alejandro Ledezma-Torres, Gabriela Lisset Montes-Quiroz, José Fernando Vázquez-Armijo, Fernando Sánchez-Dávila, Juraj Grizelj, Carlos Luna-Palomera
Publikováno v:
Journal of Applied Animal Research, Vol 46, Iss 1, Pp 714-719 (2018)
This study aimed to evaluate the effect of reinserting controlled internal drug release (CIDR) devices after fixed-time artificial insemination (FTAI) on pregnancy rates in goats. Oestrus was synchronized with a short (5 days) CIDR protocol, and FTAI
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da533f2176a10c6035f9f0eaed83c267
https://doi.org/10.1080/09712119.2017.1386109
https://doi.org/10.1080/09712119.2017.1386109