1. Department of Medical Cell BiologyScience for Life LaboratoryUppsala University Uppsala Sweden
2. Department of Medical Biochemistry and McrobiologyScience for Life LaboratoryUppsala University Uppsala Sweden
3. The Key Laboratory for Farm Animal Genetic ResourcesUtilization of Ministry of Agriculture of ChinaInstitute of Animal ScienceChinese Academy of Agricultural Sciences Beijing China
4. Department of Animal Breeding and GeneticsSwedish University of Agricultural Sciences Uppsala Sweden
5. Department of Animal ProductionAin Shams University Shoubra El‐Kheima Cairo Egypt