1. Wageningen University & Research; Animal Breeding and Genomics; P O Box 338, 6700AH Wageningen The Netherlands
2. National Agricultural Research Organization (NARO); P O Box 295 Entebbe Uganda
3. Department of Animal Breeding and Genetics; Swedish University of Agricultural Sciences; Uppsala Sweden
4. Department of Agriculture, Food and Nutritional Sciences (AFNS); Faculty of Agriculture, Life and Environmental Sciences; University of Alberta; 1416 College Plaza Edmonton T6G 2C8 Alberta Canada