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VetMed Resource

Veterinary information to support practice, based on evidence and continuing education

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Abstract

Objective. To determine the association of intron 3 polymorphism of the bovine growth hormone (BGH) gene, with age at first service, first birth, first postpartum service and second birth in a population of Holstein cows in the state of Antioquia. Materials and methods. The study was conducted on...

Author(s)
Arango G., J.; Echeverri Z., J.; López H., A.
Publisher
University of Cordoba, Monteria, Colombia
Citation
Revista MVZ Cordoba, 2014, 19, 3, pp 4249-4258
Abstract

Heat detection represents a limiting factor for reproductive performance in dairy cattle. To characterize this problem in Costa Rica, a study on 72 dairy herds was carried out. All lactations recorded from July 1st, 1994 to June 30th, 2004 in the VAMPP Bovino information system, were used as data....

Author(s)
Alvarado Rodríguez, K.; Romero Zúñiga, J. J.; Valverde Altamirano, É.
Publisher
Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
Citation
Ciencias Veterinarias (Heredia), 2006, 24, 2, pp 167-184