JDS
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Journal of Dairy Science Vol. 81 No. 5 1454-1461
© 1998 by American Dairy Science Association ®
This Article
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Lindersson, M.
Right arrow Articles by Andersson, L.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Lindersson, M.
Right arrow Articles by Andersson, L.

Mapping of Serum Amylase-1 and Quantitative Trait Loci for Milk Production Traits to Cattle Chromosome

M. Lindersson 1, L. Andersson-Eklund 1, D.-J. De Koning 2, A. Lundén 1, A. Mäki-Tanila 2, and L. Andersson 3

1 Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Box 7023, S-750 07 Uppsala, Sweden
2 Section of Animal Breeding, Institute of Animal Production, Agricultural Research Centre MTT, 31600 Jokioinen, Finland
3 BMC, Box 597, S-751 24 Uppsala, Sweden

The present study was undertaken to confirm and refine the mapping of a quantitative trait locus in cattle for milk fat percentage that had earlier been reported to be linked to the serum amylase-1 locus, AM1. Five half-sib families from the previous study and 7 new ones were genotyped for nine microsatellite markers spanning chromosome 4. AM1 was mapped between the microsatellite markers BMS648 and BR6303. In a granddaughter design, interval mapping based on multiple-marker regression was utilized for an analysis of five milk production traits: milk yield, fat percentage and yield, and protein percentage and yield. In the families reported on previously, significant effects for fat and protein percentages were detected. In the new families, an effect on milk and fat yields was found. The most likely positions of the quantitative trait locus in both groups of families were in the same area of chromosome 4 in the vicinity of the obese locus. Direct effects of the obese locus were tested for using polymorphism in two closely linked microsatellites located 2.5 and 3.6 top downstream of the coding sequence. No firm evidence was found for an association between the obese locus and the tested traits.

Key Words: dairy cattle • interval mapping • quantitative trait locus • amylase-1

Submitted on April 25, 1997
Accepted on December 1, 1997




This article has been cited by other articles:


Home page
 J DAIRY SCIHome page
Z. Madeja, T. Adamowicz, A. Chmurzynska, T. Jankowski, J. Melonek, M. Switonski, and T. Strabel
Short Communication: Effect of Leptin Gene Polymorphisms on Breeding Value for Milk Production Traits
J Dairy Sci, November 1, 2004; 87(11): 3925 - 3927.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1998 by the American Dairy Science Association ®.