Search Results - "Gustavo Ramírez-Valverde"

Ram semen quality after supplementation with gelatin, agar or alginate prior to cooling storage by González‐Maldonado, Juan, Ramírez‐Valverde, Gustavo, Rangel‐Santos, Raymundo, Lorenzo Torres, Alfredo, Muñoz‐García, Canuto, Maldonado‐Jáquez, Jorge Alonso

“…Adding gelling agents to convert the liquid state of the semen extender to a solid state allows for an increased sperm life span. Gelatin and alginate have…”
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Mexican Creole chickens: effect of data collection periods on goodness-of-fit and parameter precision of growth models by Zárate-Contreras, Diego, González-Cerón, Fernando, Cuca-García, Juan M., Pro-Martínez, Arturo, Ramírez-Valverde, Gustavo, Aggrey, Samuel E., Hernández-Mendo, Omar, Gallegos-Sánchez, Jaime, Sosa-Montes, Eliseo

“…The objective of this study was to estimate the good-of-fitness and precision of parameters of the Gompertz-Laird, Logistic, Richards, and Von Bertalanffy…”
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Effects of injecting increased doses of vitamins C and E on reproductive parameters of Holstein dairy cattle by González-Maldonado, Juan, Rangel-Santos, Raymundo, Rodríguez-de Lara, Raymundo, Rodríguez de Lara, Raymundo, Ramírez-Valverde, Gustavo, Ramírez Bribiesca, J. Efrén, Vigil-Vigil, J. Manuel, García-Espinosa, M. Fernando

“…Vitamins C and E have been supplemented separately to improve fertility in cattle. The objective of this study was to evaluate the effect of combined…”
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Supplementation of ascorbic acid to improve fertility in dairy cattle. Review by González-Maldonado, Juan, Rangel-Santos, Raymundo, Rodríguez-de Lara, Raymundo, Ramírez-Valverde, Gustavo, Ramírez-Bribiesca, J. Efrén, Monreal-Díaz, José Cruz

“…Ascorbic acid (vitamin C: VC) is an antioxidant that participates in the regulatory processes involved in the development of ovarian structures and fertility…”
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Association between genetic evaluation and show-ring judging for dairy and beef cattle by Ramìrez Valverde, R, Ramìrez Valverde, G, Nùñez Domìnguez, R, Delgadillo Zapata, RA, Hernàndez Leòn, M

“…Background: a concern for breeders is whether an animal ranking based on genetic evaluations is similar to that obtained from show-ring judging. Objective: to…”
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Growth and water potential for Pinus patula Schltdl. & Cham. seedlings in the ejido Carbonero Jacales, Huayacocotla, Veracruz by Falfán-Cortés, Armando, Velázquez-Martínez, Alejandro, Reyes-Hernández, Valentín J., Fierros-González, Aurelio M., Ramírez-Valverde, Gustavo, Vargas-Hernández, J. Jesús

“…Abstract Introduction: Regeneration of forest stands under management is one of the most relevant silvicultural practices for forest cultivation. Objective: To…”
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Altitudinal genetic variation in Pinus hartwegii Lindl. I: Height growth, shoot phenology, and frost damage in seedlings by Viveros-Viveros, Héctor, Sáenz-Romero, Cuauhtémoc, Vargas-Hernández, J. Jesús, López-Upton, Javier, Ramírez-Valverde, Gustavo, Santacruz-Varela, Amalio

“…The altitudinal pattern of genetic variation in Pinus hartwegii Lindl. populations was explored for seedling height growth, frost damage, grass-stage, and…”
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Identification of culturable microbial functional groups isolated from the rhizosphere of four species of mangroves and their biotechnological potential by Ramírez-Elías, Miguel A., Ferrera-Cerrato, Ronald, Alarcón, Alejandro, Almaraz, Juan J., Ramírez-Valverde, Gustavo, de-Bashan, Luz E., Esparza-García, Fernando J., García-Barradas, Oscar

“…•Microbial populations are significantly influenced by mangrove species.•The highest microbial populations were found at the white and black mangroves.•White…”
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Buen vivir y agricultura familiar en el Totonacapan poblano, México by Torres-Solis, Mauricio, Ramírez-Valverde, Benito, Juárez-Sánchez, José Pedro, Aliphat-Fernández, Mario, Ramírez-Valverde, Gustavo

“…Frente a la crisis civilizatoria que vive la humanidad, es indispensable volver la mirada hacia las propuestas amerindias de la última década que procuran el…”
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Buen vivir entre las familias indígenas totonacas del municipio de Huehuetla, Puebla-México by Torres-Solis, Mauricio, Ramírez-Valverde, Benito, Juárez-Sánchez, J. Pedro, Martínez Carrera, Daniel, Aliphat Fernández, Mario, Parra Vázquez, Manuel, Ramírez Valverde, Gustavo

“…El trabajo revalora la idea de una forma de vida en comunidad denominada por los totonacas de Huehuetla como Tapaxuwan Latamat o Vida en Felicidad, donde el…”
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Evaluación de dos aceites acidulados de soya en la producción y calidad de huevo en gallinas Bovans by Pérez Martínez, Jennifer, Cuca García, Juan Manuel, Ramírez Valverde, Gustavo, Carrillo Domínguez, Silvia, Pro Martínez, Arturo, Ávila González, Ernesto, Sosa Montes, Eliseo

“…En la alimentación de gallinas en postura se utiliza el aceite crudo de soya (ACS), pero debido a que éste compite con la alimentación humana su precio es…”
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Fisonomía vegetal y abundancia de aves en un bosque templado con dos niveles de perturbación en el Eje Neovolcánico Transversal by Ugalde-Lezama, Saúl, Alcántara-Carbajal, José Luis, Tarango-Arámbula, Luis Antonio, Ramírez- Valverde, Gustavo, Mendoza-Martínez, Germán David

“…Durante noviembre 2003 y junio 2004 se estudió la abundancia de especies de aves y su relación con la fisonomía vegetal en un bosque templado bajo 2…”
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Good living and family farming in the Totonacapan of Puebla, Mexico by Mauricio Torres-Solís, Benito Ramírez-Valverde, José Pedro Juárez-Sánchez, Mario Aliphat Fernández, Gustavo Ramírez Valverde

“…The search for an answer to the contemporary civilizational crisis, makes it necessary to examine recent proposals originated in Native American ideas about…”
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Coexistencia trófica de aves carpinteras (Picidae) en un bosque de Pinus cembroides (Zucc.) del área natural protegida Peña Alta, San Diego de la Unión, Guanajuato by Ugalde-Lezama, Saúl, Tarango-Arámbula, Luis A., Ramírez-Valverde, Gustavo, Equihua-Martínez, Armando, Valdez-Hernández, Juan I.

“…Estudiar la coexistencia trófica en aves es relevante para su manejo y conservación. Para ello, de enero a octubre de 2008 se identificaron técnicas de cacería…”
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ESTRUCTURA Y DIVERSIDAD ARBÓREA EN TRES SISTEMAS DE MANEJO DE LA TIERRA EN PALMAGTITAN, SIERRA NORTE DE PUEBLA by Castro Renero, Erika Daniela, Valdez Hernández, Juan Ignacio, Ángeles Pérez, Gregorio, Ramírez Valverde, Gustavo

“…Background. Agriculture and cattle raising are the main factors to forest loss and fragmentation, therefore, to reduce their negative impact, new production…”
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Inducción de la lactancia en ganado Holstein con dosis reducidas de benzoato de estradiol y sin suplementar progesterona exógena by González-Maldonado, Juan, Rangel-Santos, Raymundo, Ramírez-Valverde, Gustavo, Gallegos-Sánchez, Jaime, Beunabad-Carrasco, Lorenzo, Antillón-Ruiz, Javier

“…Lactation induction in cattle is an alternative way to increase the life span of cows with reproductive and productive issues that would otherwise be culled…”
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STAND STRUCTURE AND TREE DIVERSITY IN THREE LAND MANAGEMENT SYSTEMS IN PALMAGTITAN, SIERRA NORTE DE PUEBLA by Erika Daniela Castro Renero, Juan Ignacio Valdez Hernández, Gregorio Ángeles Pérez, Gustavo Ramírez Valverde

“…Background. Agriculture and cattle raising are the main factors to forest loss and fragmentation, therefore, to reduce their negative impact, new production…”
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Induced lactation in Holstein cattle with no exogenous progesterone supplementation and with reduced doses of estradiol benzoate by González-Maldonado, Juan, Rangel-Santos, Raymundo, Ramírez-Valverde, Gustavo, Gallegos-Sánchez, Jaime, Beunabad-Carrasco, Lorenzo, Antillón Ruiz, Javier

“…Abstract Lactation induction in cattle is an alternative way to increase the life span of cows with reproductive and productive issues that would otherwise be…”
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Association between genetic evaluation and show-ring judging for dairy and beef cattle/Asociación entre la evaluación genética y el juzgamiento en pista de bovinos lecheros y de carne/Associação entre a avaliação genética e a aparência externa na pista de julgamento de bovinos de leite e de corte by Ramírez-Valverde, Rodolfo, Ramírez-Valverde, Gustavo, Núñez-Domínguez, Rafael, Delgadillo-Zapata, Rafael A, Hernández-León, Miguel

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Inducción de la lactancia en ganado Holstein con dosis reducidas de benzoato de estradiol y sin suplementar progesterona exógena by Juan González-Maldonado, Raymundo Rangel-Santos, Gustavo Ramírez-Valverde, Jaime Gallegos-Sánchez, Lorenzo Beunabad-Carrasco, Javier Antillón-Ruiz

“…La inducción de la lactancia en el ganado es una forma alternativa de aumentar la vida productiva de las vacas con problemas reproductivos y productivos que,…”
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