Article (Scientific journals)
A Qtl Affecting Milk Yield and Composition Maps to Bovine Chromosome 20: A Confirmation
Arranz, J. J.; Coppieters, Wouter; Berzi, P. et al.
1998In Animal Genetics, 29 (2), p. 107-15
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Abstract :
[en] As part of a whole genome scan undertaken to detect quantitative trait loci (QTL) affecting milk yield and composition, we have genotyped a granddaughter design comprising 1152 sons for six microsatellite markers spanning bovine chromosome 20. An analysis performed across families provided strong evidence (experiment-wise P-values < 0.01) for the presence of a QTL affecting primarily protein percentage towards the telomeric end of the chromosome. A founder sire, shown in a previous study to segregate for a similar QTL in the corresponding chromosome region, was characterized by 29 and 57 sons and maternal grandsons, respectively, in the present design. Sorting corresponding sons and grandsons by paternal or grandpaternal allele provided significant evidence for the segregation of a QTL on chromosome 20. Altogether these results confirm the location of a QTL affecting milk production on bovine chromosome 20.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Arranz, J. J.
Coppieters, Wouter ;  Université de Liège - ULiège > Département de productions animales > Département de productions animales
Berzi, P.
Cambisano, Nadine ;  Université de Liège - ULiège > Département de productions animales > Génomique animale
Grisart, B.
Karim, Latifa ;  Université de Liège - ULiège > Département de productions animales > Génomique animale
Marcq, Fabienne ;  Université de Liège - ULiège > Département clinique des animaux de compagnie et des équidés > Département clinique des animaux de compagnie et des équidés
Moreau, L.
Mezer, C.
Riquet, J.
Simon, P.
Vanmanshoven, P.
Wagenaar, D.
Georges, Michel  ;  Université de Liège - ULiège > Département de productions animales > Génomique animale
More authors (4 more) Less
Language :
English
Title :
A Qtl Affecting Milk Yield and Composition Maps to Bovine Chromosome 20: A Confirmation
Publication date :
1998
Journal title :
Animal Genetics
ISSN :
0268-9146
eISSN :
1365-2052
Publisher :
Blackwell, Oxford, United Kingdom
Volume :
29
Issue :
2
Pages :
107-15
Peer reviewed :
Peer Reviewed verified by ORBi
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