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

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

Factores del animal y el manejo predestete que afectan la edad al primer parto en hatos de lechería especializada de Costa Rica

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

Effect of age at first calving on reproductive parameters in the first lactation of Holstein and Jersey cattle from Costa Rica

by Castillo Badilla, Gloriana, Salazar Carranza, Mauren, Murillo Herrera, Jaime, Hueckmann Voss, Frank, Romero Zúñiga, Juan José
Published 2016

Edad al primer parto en vacas Holstein de lechería especializada en Costa Rica.

by Salazar-Carranza, Mauren, Castillo-Badilla, Gloriana, Murillo-Herrera, Jaime, Hueckmann-Voss, Frank, Romero-Zuñiga, Juan José
Published 2013