Frondelius Lilli, Hietaoja Juha, Pastell Matti, Hänninen Laura, Anttila Paula, Mononen Jaakko
Natural Resources Institute Finland (Luke),Production Systems,Halolantie 31 A,71750 Maaninka,Finland.
Department of Agricultural Sciences, Faculty of Agriculture and Forestry,University of Helsinki,P.O Box 28,00014 University of Helsinki,Finland.
J Dairy Res. 2018 Feb;85(1):27-29. doi: 10.1017/S0022029917000760.