Genome screen for twinning rate QTL in four North American Holstein families.

  title={Genome screen for twinning rate QTL in four North American Holstein families.},
  author={Ozlem Cobanoglu and Patricia Berger and Brian W. Kirkpatrick},
  journal={Animal genetics},
  volume={36 4},
The objective of this study was to identify twinning rate quantitative trait loci (QTL) by typing pooled samples in a preliminary screening followed by interval mapping to test QTL effects. Four elite North American Holstein half-sib sire families with high twinning rate predicted transmitting abilities (PTA) were used in this study. Chromosomes 5, 7, 19 and 23 were not genotyped as these chromosomes were scanned for QTL in these families in a previous study. DNA was extracted from… CONTINUE READING

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