Vol. 40 No. 1 (2002)

Articles

• Evaluation of different treatments used in the early postpartum in dairy cows with metritis

  Zita Wonchee Solórzano, Renato Raúl Lozano Domínguez, Everardo González Padilla

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• Effects of immunization against testosterone on testicular characteristics of zebu bulls

  Héctor Jiménez Severiano, Tomás Arturo González Orozco, Marcelino Menéndez Trejo

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• First case reported of amitraz resistance in the cattle tick boophilus microplus in mexico

  Noé Soberanes Céspedes, Minerva Santamaría Vargas, Hugo Fragoso Sánchez, Zeferino García Vázquez

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• Evaluation of terminal breeds in commercial breeding schemes with F1 hair sheep

  Raúl Fernando Bores Quintero, Pablo Alfonso Velázquez Madrazo, Manuel Heredia y Aguilar

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• Hydrological characterization of a communal rangeland excluded from cattle grazing at Zacatecas, Mexico. II.Surface runoff

  Alfonso Serna Pérez, Francisco Guadalupe Echavarría Cháirez

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• Hydrological characterization of a communal rangeland excluded from cattle grazing at Zacatecas, Mexico. I. soil losses

  Alfonso Serna Pérez, Francisco Guadalupe Echavarría Cháirez

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• Forage production and nutritional value of mixtures of triticale (x triticosecale wittmack) and ryegrass (lolium multiflorum) in Navidad, N.L.

  Alejandro Javier Lozano del Río, Sergio Alfredo Rodríguez Herrera, Heriberto Díaz Solís, Jesús Manuel Fuentes Rodríguez, José Manuel Fernández Brondo, Juan Manuel Fernando Narváez Melo, Victor Manuel Zamora Villa

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• Using high quality poultry litter for growing beef cattle in an intensive feeding system increases animal performance

  Homero Morales Treviño, Erasmo Gutiérrez Ornelas, Hugo Bernal Barragán

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