Vol. 40 No. 2 (2002)

Articles

• Regrowth dynamics of insurgente grass (brachiaria brizantha hochst. stapf.) grazed at different allowances in the rainy season

  Alfonso Hernández Garay, Pedro Arturo Martínez Hernández, Martín Mena Urbina, Jorge Pérez Pérez, Javier Francisco Enríquez Quiroz

  193-205

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• Production function of dual purpose cattle in the eastern zone of the state of yucatan, méxico

  Víctor Pech Martínez, Jorge Santos Flores, Rubén Montes Pérez

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• Effect of the addition to laying hens diets of pitase as an inorganic phosphorous source

  Mónica Vallardi González, René Morales López, Ernesto Ávila González

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• Citric acid and microbial phytase relative to productive performance and phosphorus, calcium and nitrogen excretion in laying hens

  Lily Vargas Rodríguez, José Herrera Haro, Eduardo Morales Barrera, Maria Elena Suárez Oporta, Mariano González Alcorta, Carlos García Bojalil

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• Establishment of trichinella spiralis in balb/c mice treated with lactobacillus casei administered intraperitoneally and orally

  Carlos Ramón Bautista Garfias, Alma Rosa Fernández Román, Adriana Posadas Beltrán, Olga Ixta Rodríguez

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• Humoral immune response to protein components of mycobacteria in guinea pigs

  Fernando Díaz Otero, Leticia García Casanova, Ciro Estrada Chávez, Marco Antonio Vega López, Víctor Banda Ruíz, Camila Arriaga Díaz

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• Incidence of heavy breeding hen age and egg weight on progeny',s productive performance and on ascitic syndrome

  José Arce Menocal, Ernesto Avila González, Carlos López Coello

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• Gliotoxin production in 10 strains of Aspergillus fumigatus isolated from clinical cases

  Carolina Moreno Ramos, Sara Esther Valdés Martínez, Roberto Arnulfo Cervantes Olivares

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• Evaluation of the inocuity and protection of an attenuated in vitro derived Babesia bovis y Babesia bigemina immunogen propagated in bovines

  Germinal Jorge Cantó Alarcón, Juan Alberto Ramos Aragón, Edmundo Enrique Rojas Ramírez, Carlos Agustín Vega y Murguía, Valeria Oviedo García, Julio Vicente Figueroa Millán, Jesús Antonio Alvarez Martínez

  127-138

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