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Genomic selection in relation to bovine milk composition and processability.

Glantz, Maria LU ; Lindmark Månsson, Helena LU ; Paulsson, Marie LU and Stålhammar, Hans (2012) In Journal of Dairy Research 79(1). p.53-59
Abstract
Genomic selection is a new technology in which selection decisions are based on direct genomic values (DGVs) or genomic enhanced breeding values (GEBVs). The objective of this study was to evaluate the relations between DGVs and several milk traits important for both the nutritional value and processability of milk. This is a new approach and can be used to increase the knowledge on how genomic selection can be used in practice. Morning milk samples from Swedish Holstein cows were analyzed for milk composition and technological properties. DGVs were received for each cow for milk, protein and fat yield, milk index, udder health, Nordic total merit and a quota was calculated between fat and milk yield as well as protein and milk yield. The... (More)
Genomic selection is a new technology in which selection decisions are based on direct genomic values (DGVs) or genomic enhanced breeding values (GEBVs). The objective of this study was to evaluate the relations between DGVs and several milk traits important for both the nutritional value and processability of milk. This is a new approach and can be used to increase the knowledge on how genomic selection can be used in practice. Morning milk samples from Swedish Holstein cows were analyzed for milk composition and technological properties. DGVs were received for each cow for milk, protein and fat yield, milk index, udder health, Nordic total merit and a quota was calculated between fat and milk yield as well as protein and milk yield. The results show that linear correlations exist (P<0·10) between the studied DGVs and contents and yields of parameters in the protein (P=0·002-0·097), fat (P=0·024-0·055) and mineral profiles (P=0·001-0·099) as well as for cheese characteristics (P=0·004-0·065), thus making it possible to obtain detailed information on milk traits that are not registered in the milk recording scheme. Hence, genomic selection will be an efficient tool for breeding and dairy industry to select cows early in life for targeted milk production. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Dairy Research
volume
79
issue
1
pages
53 - 59
publisher
Cambridge University Press
external identifiers
  • wos:000300033100008
  • pmid:22127118
  • scopus:84858775363
ISSN
0022-0299
DOI
10.1017/S002202991100077X
language
English
LU publication?
yes
id
90570628-5a63-421d-991b-508b7b972ff9 (old id 2274809)
date added to LUP
2012-01-12 17:30:42
date last changed
2017-01-08 03:09:01
@article{90570628-5a63-421d-991b-508b7b972ff9,
  abstract     = {Genomic selection is a new technology in which selection decisions are based on direct genomic values (DGVs) or genomic enhanced breeding values (GEBVs). The objective of this study was to evaluate the relations between DGVs and several milk traits important for both the nutritional value and processability of milk. This is a new approach and can be used to increase the knowledge on how genomic selection can be used in practice. Morning milk samples from Swedish Holstein cows were analyzed for milk composition and technological properties. DGVs were received for each cow for milk, protein and fat yield, milk index, udder health, Nordic total merit and a quota was calculated between fat and milk yield as well as protein and milk yield. The results show that linear correlations exist (P&lt;0·10) between the studied DGVs and contents and yields of parameters in the protein (P=0·002-0·097), fat (P=0·024-0·055) and mineral profiles (P=0·001-0·099) as well as for cheese characteristics (P=0·004-0·065), thus making it possible to obtain detailed information on milk traits that are not registered in the milk recording scheme. Hence, genomic selection will be an efficient tool for breeding and dairy industry to select cows early in life for targeted milk production.},
  author       = {Glantz, Maria and Lindmark Månsson, Helena and Paulsson, Marie and Stålhammar, Hans},
  issn         = {0022-0299},
  language     = {eng},
  number       = {1},
  pages        = {53--59},
  publisher    = {Cambridge University Press},
  series       = {Journal of Dairy Research},
  title        = {Genomic selection in relation to bovine milk composition and processability.},
  url          = {http://dx.doi.org/10.1017/S002202991100077X},
  volume       = {79},
  year         = {2012},
}