Food Safety Concepts in Primary Production of Milk

by Zumbado Gutiérrez, Leana, Romero Zuñiga, Juan José
Published 2016

El paradigma del 10% rompiendo mitos con respecto al muestreo en investigación en ciencias médicas

by Valverde Altamirano, Érika, Romero Zúñiga, Juan José
Published 2007

Factors associated to thermotolerant Campylobacter spp. contamination of broilers in three levels of the poultry chain for human consumption in Costa Rica

by Zumbado Gutiérrez, Leana, Romero Zúñiga, Juan José
Published 2017

Dyslipidemia and blood lipid levels in patients tratied in primary care centers in east SAN JOSE

by Gutiérrez Peña, Erick G., Romero Zúñiga, Juan José
Published 2010

Factors associated with the blood lipid profile of patients in the Montes de Oca health service area in Costa Rica

by Gutiérrez Peña, Erick G., Romero Zúñiga, Juan José
Published 2011

Fase no parasítica de Boophilus microplus (Acari: Ixodidae) en condiciones ambientales y de laboratorio en Costa Rica

by Álvarez C., Víctor, Hernández, Vladimir, Romero Zúñiga, Juan José
Published 2007

Caracterización de la detección de celos en fincas lecheras especializadas de Costa Rica

by Alvarado Rodríguez, Karla, Romero Zúñiga, Juan José, Valverde Altamirano, Érika
Published 2006

Effect of time on the stability of hematological variables in dog blood samples

by Meneses Guevara, Ana, Bouza-Mora, Laura, Romero-Zúñiga, Juan José
Published 2013

Factores de riesgo para los celos no detectados en fincas lecheras especializadas de Costa Rica

by Alvarado Rodríguez, Karla, Romero Zúñiga, Juan José, Valverde Altamirano, Érika
Published 2007

Efectos de la endogamia sobre parámetros reproductivos en vacas Holstein y Jersey de Costa Rica.

by Aguirre-Valverde, Judyana, Vargas-Leitón, Bernardo, Romero-Zuñiga, Juan José
Published 2013

Comparación bioeconómica de grupos raciales Holstein, Jersey y Holstein×Jersey en Costa Rica.

by Vargas-Leitón, Bernardo, Marín-Marín, Yamil, Romero-Zúñiga, Juan José
Published 2012

Efecto de la endogamia sobre parámetros productivos en vacas Holstein y Jersey de Costa Rica

by Aguirre Valverde, Judyana, Vargas Leitón, Bernardo, Romero Zúñiga, Juan José
Published 2013

Seroprevalence of infectious agents affecting the reproductive system of water buffaloes (Bubalus bubalis) in Costa Rica

by Rivera, Josué, Zuniga, María José, Romero-Zuñiga, Juan José, Dolz, Gaby
Published 2025

Effect of serological status of the Bovine Leucosis Virus (BLV) on milk production of dairy herds in Costa Rica

by Romero Zúñiga, Juan José, Dávila Ballestero, Gerardo, Beita, Gabriela, Dolz Wiedner, Gaby
Published 2014

Presencia serológica de Besnoitia besnoiti, Toxoplasma gondii, Coxiella burnetii y Chlamydia abortus en hatos bovinos de Costa Rica

by Fallas-Elizondo, Daisy, Chacón Calderón, Jorge, Romero-Zuñiga, Juan Jose, Dolz, Gaby
Published 2018

Factors affecting age at first calving in purebred Jersey cows of specialized dairy farms in Costa Rica

by Castillo Badilla, Gloriana, Salazar Carranza, Mauren, Murillo Herrera, Jaime, Romero Zúñiga, Juan José
Published 2014

Values for protein/fat ratio and milk urea nitrogen in milk from dairy cows in northern Alajuela and Heredia, Costa Rica

by Vargas Sobrado, Diana, Murillo Herrera, Jaime, Hueckmann Voss, Frank, Romero Zúñiga, Juan José
Published 2017

Traumatic reticulopericarditis: a case report

by Rodríguez Fernández, Gabriel, Murillo Herrera, Jaime, Hueckman Voss, Frank, Romero Zúñiga, Juan José
Published 2017

Epidemiological aspects of brucellosis in humans in the Health Areas of Aguas Zarcas and Los Chiles, Costa Rica, 2015-2017

by Rosales Galeano, Claudia, Puentes Mojica, Claudia, Arias Rojas, Oldemar, Romero Zúñiga, Juan José
Published 2020

Factores que afectan la producción en primera lactancia de vacas lecheras de Costa Rica

by Castillo-Badilla, Gloriana, Vargas-Leitón, Bernardo, Hueckmann-Voss, Frank, Romero-Zúñiga, Juan José
Published 2019