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Volume 61, issue 1 | Copyright
Arch. Anim. Breed., 61, 43-57, 2018
https://doi.org/10.5194/aab-61-43-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Review 23 Jan 2018

Review | 23 Jan 2018

Invited review: Reproductive and genomic technologies to optimize breeding strategies for genetic progress in dairy cattle

Allison Fleming1, Emhimad A. Abdalla1, Christian Maltecca2, and Christine F. Baes1 Allison Fleming et al.
  • 1Centre for Genetic Improvement of Livestock, Department of Animal Biosciences, Guelph, Ontario, N1G 2W1, Canada
  • 2Department of Animal Science, North Carolina State University, Raleigh, North Carolina 27695, USA

Abstract. Dairy cattle breeders have exploited technological advances that have emerged in the past in regards to reproduction and genomics. The implementation of such technologies in routine breeding programs has permitted genetic gains in traditional milk production traits as well as, more recently, in low-heritability traits like health and fertility. As demand for dairy products increases, it is important for dairy breeders to optimize the use of available technologies and to consider the many emerging technologies that are currently being investigated in various fields. Here we review a number of technologies that have helped shape dairy breeding programs in the past and present, along with those potentially forthcoming. These tools have materialized in the areas of reproduction, genotyping and sequencing, genetic modification, and epigenetics. Although many of these technologies bring encouraging opportunities for genetic improvement of dairy cattle populations, their applications and benefits need to be weighed with their impacts on economics, genetic diversity, and society.

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Dairy cattle breeders have exploited technological advances in regard to reproduction and genomics. The implementation of such technologies in routine breeding programs has permitted genetic gains in traditional milk production traits as well as, more recently, in low heritability traits like health and fertility. Here we review a number of technologies that have helped shape dairy breeding programs in the past and present, along with those potentially forthcoming.
Dairy cattle breeders have exploited technological advances in regard to reproduction and...
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