Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Leonel Avendaño-Reyes"'
Autor:
Miguel Mellado, Lucía M. Treviño, María I. Chavez, Francisco G. Véliz, Ulises Macías‐Cruz, Leonel Avendaño‐Reyes, José E. García
Publikováno v:
Reproduction in Domestic Animals. 58:39-47
The objective of this retrospective study was to assess the effect of receiving a single (n = 50,285) or double (n = 4392) artificial insemination (AI), 12 h apart, within a timed artificial insemination protocol on pregnancy per AI (P/AI) in nullipa
Autor:
Miguel, Mellado, Francisco G, Véliz, Ulises, Macías-Cruz, Leonel, Avendaño-Reyes, José E, García, Cesar A, Rosales-Nieto
Publikováno v:
Tropical animal health and production. 54(3)
The traditional goat production systems on arid and semi-arid rangelands of northern Mexico are characterized by minimum external inputs; therefore, little is known about goat response to technological improvements. This observational study aimed to
Autor:
Ulises Macías-Cruz, Leonel Avendaño-Reyes, N Treviño, Jose E. García, Miguel Mellado, Francisco G. Véliz, A. de Santiago
Publikováno v:
Tropical Animal Health and Production. 53
This study aimed to determine whether cows detected as tuberculosis (bTB) reactors and seropositive to brucellosis (bBR), as well as co-positive to bBR and bTB (bBR-bTB) and with a complete lactation before slaughter, were associated with reduced mil
Autor:
Leonel Avendaño-Reyes, Elizabeth Pérez, Manuel Guillén, Miguel Mellado, Juan L Morales, Jose E. García, Ulises Macías-Cruz
Publikováno v:
Tropical Animal Health and Production. 53
Tuberculosis remains a significant infectious disease of farm animals and humans worldwide. The objective of this study was to assess various risk factors associated with testing positive for bovine tuberculosis (bTB) in high-yielding Holstein cows i
Autor:
Leonel Avendaño-Reyes, Jose E. García, Miguel Mellado, Ulises Macías-Cruz, Jesús Mellado, Francisco G. Véliz, A. de Santiago, F Anzures-Olvera
Publikováno v:
Journal of Thermal Biology. 81:82-88
Vulnerable animals to heat stress have been described as ones with dark or black hides due to increasing absorption of solar radiation. The effect of coat color in pluriparous contemporary Holstein cows in a hot environment (mean annual temperature 2
Autor:
E. García, Miguel Mellado, Leonel Avendaño-Reyes, Francisco G. Véliz, E. Saavedra, Leticia Gaytán, Ulises Macías-Cruz
Publikováno v:
Livestock Science. 217:8-14
The objective of this observational prospective study was to evaluate the association between lameness (caused by five groups hoof lesions) milk yield and reproductive performance in primiparous lactating Holstein cows housed in open-lot, dirt (dry)
Autor:
V. Contreras, Leonel Avendaño-Reyes, I. J. Rodríguez-Godina, Jesús Mellado, Jose E. García, J. L. Morales-Cruz, Miguel Mellado, Ulises Macías-Cruz
Publikováno v:
Tropical Animal Health and Production. 53
A total of 1338 high-yielding cows with five lactations from a large well-managed commercial dairy operation in a hot environment of northern Mexico were used to evaluate milk yield and reproductive performance of cows undergoing unplanned extended l
Autor:
Leonel, Avendaño-Reyes, Abelardo, Correa-Calderón, Ulises, Macías-Cruz, Arturo César, García-Casillas, Miguel, Mellado, P H, Robinson, Juan Augusto, Hernández-Rivera
Publikováno v:
International journal of biometeorology. 65(8)
Impacts of an additional cooling event during the night on physiological and productive parameters of two breeds (B) of dairy cows under severe heat stress conditions were determined. Fifteen Holstein (H) and 15 Jersey x Holstein (JxH) cows were assi
Autor:
Miguel, Mellado, Elizabeth, Pérez, Juan L, Morales, Ulises, Macías-Cruz, Leonel, Avendaño-Reyes, Manuel, Guillén, José E, García
Publikováno v:
Tropical animal health and production. 53(1)
Tuberculosis remains a significant infectious disease of farm animals and humans worldwide. The objective of this study was to assess various risk factors associated with testing positive for bovine tuberculosis (bTB) in high-yielding Holstein cows i
Autor:
Leonel Avendaño Reyes
Publikováno v:
Concepts of Dairy & Veterinary Sciences. 2