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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

This paper reviews the most remarkable oestrus synchronization programmes for dairy cows and heifers. Methods described include the most traditional ones such as double prostaglandin protocol and progesterone-based treatments, as well as the most recent ones such as Pre-synch, Ovsynch, Heatsynch...

Author(s)
Yániz, J.; Murugavel, K.; López-Gatius, F.
Publisher
Escuela Universitaria Politecnica de Huesca, Universidad de Zaragoza, Huesca, Spain
Citation
Geórgica, 2004, No.10, pp 13-29