Search Results - "Macías‐Cruz, Ulises"

Fertility of Holstein cows and heifers submitted to timed artificial insemination and receiving one or two doses (12 h apart) of semen by Mellado, Miguel, Treviño, Lucía M., Chavez, María I., Véliz, Francisco G., Macías‐Cruz, Ulises, Avendaño‐Reyes, Leonel, García, José E.

“…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…”
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Mineral supplementation (injectable) improved reproductive performance in Holstein cows managed in a warm summer environment by Del Río‐Avilés, Andrea D., Correa‐Calderón, Abelardo, Avendaño‐Reyes, Leonel, Macías‐Cruz, Ulises, Thomas, Milton G., Enns, R. Mark, Speidel, Scott E., Sánchez‐Castro, Miguel A., Zamorano‐Algandar, Ricardo, López‐Castro, Pedro A., Luna‐Nevárez, Pablo

“…Sustainability of dairy production depends largely on reproductive efficiency that is affected by heat stress due to high ambient temperature and humidity…”
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IN VITRO EFFECTS OF HYDRO-METHANOLIC EXTRACT FROM Gliricidia sepium LEAVES ON LARVAE OF Haemonchus contortus by Jose Eduardo Garcia, Leonides Gomez, Ulises Macias-Cruz, Leonel Avendaño-Reyes, Miguel Mellado

“…The aim of this in vitro study was to evaluate the anthelmintic effects of extracts of Gliricidia sepium on sheathed and exsheathed larvae of Haemonchus…”
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Vaccination programs, parity, and calving season as factors affecting the risk of fetal losses and mummified fetuses in Holstein cows by Mellado, Miguel, Nájera, Omar, Mellado, Jesús, García, José E., Macías-Cruz, Ulises, Rodríguez, Álvaro F., Meza-Herrera, Cesar A., Avendaño-Reyes, Leonel

“…Aim of the study: To investigate vaccination programs, parity, and calving season as factors affecting the risk of abortion and mummified fetuses in Holstein…”
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Milk yield, periparturient diseases and body condition score as factors affecting the risk of fetal losses in high-yielding Holstein cows by Mellado, Miguel, Macías-Cruz, Ulises, Avendaño-Reyes, Leonel, Véliz, Francisco G., Gaytán, Leticia, García, José E., Rodríguez, Alvaro F.

“…The objective of this study was to assess various risk factors affecting fetal losses in high-yielding Holstein cows in a hot environment. In a retrospective…”
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Evaluation of some reproductive traits of Pelibuey ewes under humid tropical conditions of Mexico by Luna-Palomera, Carlos, Ojeda-Robertos, Nadia Florencia, Peralta-Torres, Jorge Alonso, Macías-Cruz, Ulises, Sánchez-Dávila, Fernando, Segura-Correa, José Candelario

“…ABSTRACT We evaluated the effect of some environmental factors on age at first lambing (AFL) and lambing to conception interval (LCI) of Pelibuey ewes under…”
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Post-lambing maternal effects in hair ewes fed omega-6 polyunsaturated fatty acids in the late gestation by Cruz, Ulises Macías, Vicente-Pérez, Ricardo, Mellado, M., Meza-Herrera, Cesar A., Luna-Palomera, Carlos, Correa-Calderón, Abelardo, Avendaño-Reyes, Leonel

“…Soybean oil (SBO) is rich in omega-6 polyunsaturated fatty acids and its dietary supplementation during late gestation to ewes improves colostrum production…”
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Effects of summer heat stress on physiological variables, ovulation and progesterone secretion in Pelibuey ewes under natural outdoor conditions in an arid region by Macías‐Cruz, Ulises, Gastélum, Miguel A, Álvarez, Francisco D, Correa, Abelardo, Díaz, Raúl, Meza‐Herrera, César A, Mellado, Miguel, Avendaño‐Reyes, Leonel

“…Ten non‐lactating multiparous Pelibuey breed ewes were housed in a corral to evaluate the effects of summer thermal stress on physiologic variables, estrous…”
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Zilpaterol hydrochloride improves growth performance and carcass traits without affecting wholesale cut yields of hair sheep finished in feedlot by Rojo-Rubio, Rolando, Avendaño-Reyes, Leonel, Albarrán, Benito, Vázquez, José F., Soto-Navarro, Sergio A., Guerra, Juan E., Macías-Cruz, Ulises

“…Fourteen Dorper × Pelibuey ram lambs (initial body weight [BW] = 37.4 ± 1.0 kg and age = 4.5 mo) were housed in individual pens during a 30-d feeding period,…”
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Prevalence and risk factors for stillbirths in Holstein cows in a hot environment by Mellado, Miguel, Chávez, María I., Macías-Cruz, Ulises, Avendaño-Reyes, Leonel, Carrillo, Evaristo, García, José E.

“…Risk factors for stillbirth were studied in a dairy operation in northern Mexico (25°N). Data set consisted of 29406 full term calving records. Factors…”
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La hipocalcemia en la vaca lechera. Revisión by Arechiga-Flores, Carlos Fernando, Cortés-Vidauri, Zimri, Hernández-Briano, Pedro, Lozano-Domínguez, Renato Raúl, Lòpez-Carlos, Marco Antonio, Macias-Cruz, Ulises, Avendaño-Reyes, Leonel

“…Los niveles de calcio (Ca) disminuyen en sangre y citosol al momento del parto, alterando la transmisión del impulso nervioso, la contracción muscular y la…”
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Termorregulación y respuestas reproductivas de carneros bajo estrés por calor. Revisión by Barragán Sierra, Alejandra, Avendaño-Reyes, Leonel, Hernández Rivera, Juan A., Vicente-Pérez, Ricardo, Correa-Calderón, Abelardo, Mellado, Miguel, Meza-Herrera, Cesar A., Macías-Cruz, Ulises

“…Las temperaturas elevadas registradas durante la época de verano en las regiones cálidas comprometen la capacidad reproductiva de los animales domésticos. En…”
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Estrous behavior, ovulatory follicle dynamics, and corpus luteum size in Creole cows after spontaneous or prostaglandin F2α-induced estrous by Quezada, A, Avendaño, L, Macías, U, Ramírez, JA, Rivas, RR

“…Background: evaluation of reproductive behavior in Creole cows is important to determine several parameters, such as fertility, that show the physiologic…”
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Peri-Conceptional undernutrition in twin bearing ewes: Effect on early fetal growth and birth weight by Vicente-Pérez, Ricardo, Osorio-Marín, Yolanda, López-Baca, María De los Angeles, Avendaño-Reyes, Leonel, Correa-Calderón, Abelardo, Mellado, Miguel, Lara-Rivera, Ana L., Meza-Herrera, Cesar A., Macias-Cruz, Ulises

“…A total of 48 Katahdin x Pelibuey multiparous ewes were used to evaluate the e ect of nutritional restriction (40 %) before (30 d, RT), after (50 d, TR) or…”
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Free ferulic acid supplementation of heat-stressed hair ewe lambs: Oxidative status, feedlot performance, carcass traits and meat quality by Valadez-García, Karen Mariela, Avendaño-Reyes, Leonel, Díaz-Molina, Raúl, Mellado, Miguel, Meza-Herrera, César A., Correa-Calderón, Abelardo, Macías-Cruz, Ulises

“…Twenty-two Katahdin × Dorper ewe lambs (average weight = 23.5 ± 2.8 kg) were individually housed during a 40-d feeding study and then slaughtered to evaluate…”
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Actividad antihelmíntica in vivo de hojas de Acacia cochliacantha sobre Haemonchus contortus en cabritos Boer by Castillo-Mitre, Gastón Federico, Rojo-Rubio, Rolando, Olmedo-Juárez, Agustín, Mendoza de Gives, Pedro, Vázquez-Armijo, José Fernando, Zamilpa, Alejandro, Lee-Rangel, Héctor Aarón, Avendaño-Reyes, Leonel, Macías-Cruz, Ulises

“…El objetivo del presente trabajo fue evaluar el efecto de la inclusión de hojas de Acacia cochliacantha en una dieta de mantenimiento para cabritos de la raza…”
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Feedlot growth, carcass characteristics and meat quality of hair breed male lambs exposed to seasonal heat stress (winter vs. summer) in an arid climate by Macías-Cruz, Ulises, Saavedra, Oscar R., Correa-Calderón, Abelardo, Mellado, Miguel, Torrentera, Noemí G., Chay-Canul, Alfonso, López-Baca, María A., Avendaño-Reyes, Leonel

“…Twenty Dorper × Katahdin male lambs (body weight = 33.9 ± 0.4 kg and age = 4.5 months) were individually housed for a 30-d feeding period to evaluate the…”
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Effect of heat stress during the dry period on milk yield and reproductive performance of Holstein cows by Rodríguez-Godina, Iris J., García, José E., Morales, Juan L., Contreras, Viridiana, Véliz, Francisco G., Macías-Cruz, Ulises, Avendaño-Reyes, Leonel, Mellado, Miguel

“…This study aimed to determine the influence of heat stress during the dry period on milk yield and reproductive performance of Holstein cows in a hot…”
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Growth performance and changes in physiological, metabolic and hematological parameters due to outdoor heat stress in hair breed male lambs finished in feedlot by Nicolás-López, Porfirio, Macías-Cruz, Ulises, Mellado, Miguel, Correa-Calderón, Abelardo, Meza-Herrera, Cesar A., Avendaño-Reyes, L.

“…The aim of this study was to evaluate the effect of seasonal heat stress (HS) on productive performance, physiological responses, metabolism, and hematological…”
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Prediction of rectal temperature in Holstein heifers using infrared thermography, respiration frequency, and climatic variables by Theusme, Chilove, Avendaño-Reyes, Leonel, Macías-Cruz, Ulises, Castañeda-Bustos, Vielka, García-Cueto, Rafael, Vicente-Pérez, Ricardo, Mellado, Miguel, Meza-Herrera, César, Vargas-Villamil, Luis

“…The objective of this study was to develop an equation to predict rectal temperature (RT) using body surface temperatures (BSTs), physiological and climatic…”
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