No strong heterosis effects for milk production and calving interval of crosses of local Ethiopian and international dairy breeds kept under on-farm conditions - Gebre, T.; Meseret, Selam; Mrode, Raphael A.; Gebreyohanes, Gebregziabher; Gábor, M.; Okeyo Mwai, Ally; Sölkner, Johann (Institute of Science and Technology Austria, 2024)