Open Journal of Veterinary Medicine

Vol.4 No.9(2014), Paper ID 49541, 7 pages

DOI:10.4236/ojvm.2014.49023

 

Effect of Age at First Calving on First Lactation Milk Yield in Holstein Cows from Costa Rican Specialized Dairy Herds

 

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

 

Private Consultant
Herd Health and Production Control Department, School of Veterinary Medicine, Universidad Nacional, Heredia, Costa Rica
Private Consultant
Private Consultant
Herd Health and Production Control Department, School of Veterinary Medicine, Universidad Nacional, Heredia, Costa Rica

 

Copyright © 2014 Mauren Salazar-Carranza, Gloriana Castillo-Badilla, Jaime Murillo-Herrera, Frank Hueckmann-Voss, Juan José Romero-Zúñiga et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

 

How to Cite this Article


Salazar-Carranza, M. , Castillo-Badilla, G. , Murillo-Herrera, J. , Hueckmann-Voss, F. and Romero-Zúñiga, J. (2014) Effect of Age at First Calving on First Lactation Milk Yield in Holstein Cows from Costa Rican Specialized Dairy Herds. Open Journal of Veterinary Medicine, 4, 197-203. doi: 10.4236/ojvm.2014.49023.

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