Quantitative trait loci for fertility traits in Finnish Ayrshire cattle Nina F. Schulman, Goutam Sahana, Mogens S. Lund, Sirja M. Viitala and Johanna H. VilkkiGenet. Sel. Evol., 40 2 (2008) 195-214DOI: https://doi.org/10.1051/gse:2007044