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Published on: August 8, 2017
Short communication: quantitative trait loci analysis on 17 nonproduction traits in the New Zealand dairy population
R J Spelman1, A E Huisman, S R Singireddy
1Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand.
Abstract:
Seven New Zealand Holstein-Friesian families and two Jersey families, a total of 274 sires, were analyzed in a granddaughter design for marker-quantitative trait loci associations. For 17 nonproduction traits (management, size, and conformation traits), an across-family analysis was undertaken using multimarker regression procedures. Threshold levels were set empirically by permuting the data. A quantitative trait locus for stature was identified on chromosome 14, which was significant at the 15% experimentwise level (suggestive linkage). The quantitative trait locus was identified to be segregating in three of the nine families.
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