Zobrazeno 1 - 10
of 17
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:
Chilove Theusme, Leonel Avendaño-Reyes, Ulises Macías-Cruz, Vielka Castañeda-Bustos, Rafael García-Cueto, Ricardo Vicente-Pérez, Miguel Mellado, César Meza-Herrera, Luis Vargas-Villamil
Publikováno v:
International journal of biometeorology. 66(12)
The objective of this study was to develop an equation to predict rectal temperature (RT) using body surface temperatures (BSTs), physiological and climatic variables in pubertal Holstein heifers in an arid region. Two hundred Holstein heifers were u
Autor:
Leonel Avendaño-Reyes, Edgar Fernando Peña-Torres, J. L. Dávila-Ramírez, Etna Aida Peña-Ramos, Araceli Pinelli-Saavedra, Humberto González-Ríos, Martin Valenzuela-Melendres
Publikováno v:
Journal of the Science of Food and Agriculture. 101:548-554
Ferulic acid is a natural occurring compound with antioxidant and antimicrobial bioactive properties, and recently was proposed as a new alternative growth promoter in meat-producing animals without changing meat quality parameters. The present study
Autor:
J A, Aguilar-Quiñones, Leonel, Avendaño-Reyes, U, Macías-Cruz, J E, Guerra-Liera, R, Vicente-Pérez, M A, Gastélum-Delgado, R, Barajas-Cruz, S, Wittayakun, A, Vicente-Pérez
Publikováno v:
Tropical animal health and production. 54(2)
Heat stress is a great challenge for feedlot operations established in arid zones. The aim of this study was to evaluate if increasing shade area in the pen improved physiological and productive variables in feedlot heifers under hot climate. A total
Autor:
Ángeles de Santiago, Leonel Avendaño-Reyes, Jose E. García, Ulises Macías-Cruz, Miguel Mellado, Evaristo Carrillo-Moreno, Evaristo Carrillo-Castellanos
Publikováno v:
Tropical animal health and production. 53(5)
The objective of this study was to evaluate growth performance, and mammary gland parenchyma (PAR) development in Holstein female calves fed whole milk combined with milk replacer for 15% total solids (15TS) or only milk (11% TS; 11TS). The effects o
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:
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:
Raúl Díaz-Molina, Leonel Avendaño-Reyes, Abelardo Correa-Calderón, Juan A. Hernández-Rivera, Ulises Macías-Cruz
Publikováno v:
Tropical animal health and production. 53(2)
Our aim was to evaluate the effects of progesterone supplementation after fixed-time artificial insemination (FTAI) on physiological and reproductive variables and serum thyroid hormone concentrations of cooled Holstein heifers during a hot summer se
Autor:
Miguel Mellado, R.O. García-Cueto, Leonel Avendaño-Reyes, C. Theusme, L Vargas-Villamil, Abelardo Correa-Calderón, A. Vicente-Pérez, Ulises Macías-Cruz
Publikováno v:
The Science of the total environment. 751
Climate change is a major world-wide challenge to livestock production because food security is likely to be compromised by increased heat stress of the animals. The objective of this study was to characterize, using bioclimatic indexes, two livestoc