Adelaide Research & Scholarship
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https://hdl.handle.net/2440/34596
| 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: | AAABG DISTRIBUTION SERVICE |
| 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. |
| Published version: | http://www.aaabg.org/livestocklibrary/2003/400-403.pdf |
| Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest |
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