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Type: Conference paper
Title: QTL for birth weight in Bos taurus cattle
Author: Morris, C.
Cullen, N.
Pitchford, W.
Hickey, S.
Hyndman, D.
Crawford, A.
Bottema, C.
Citation: Association for the Advancement of Animal Breeding and Genetics. Proceedings, 2003; 15:400-403
Publisher Place: Australia
Issue Date: 2003
Conference Name: Association for the Advancement of Animal Breeding and Genetics Conference (15th : 2003 : Melbourne, Australia)
Abstract: Records of birth weight (BW) from a beef cattle experiment in New Zealand and Australia were analysed to test for linkage to DNA markers on all chromosomes except the sex chromosome. This was part of a search for quantitative trait loci (QTL) for production, carcass and meat quality traits. Two extreme Bos taurus breeds, Jersey (J) and Limousin (L), were used to generate over 400 back-cross progeny in each country. There were 5 significant BW QTL, with one on each of 5 different chromosomes, and two other locations where QTL effects approached significance. The effects of sire-derived J and L alleles on progeny BW for significant QTL ranged from -0.84 to 0.73 phenotypic standard deviations, or from -3.13 to 2.73 kg, indicating that QTL from both breeds were associated with increased BW.
RMID: 0020064665
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Appears in Collections:Agriculture, Food and Wine publications

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