In the above article two authors – Chunjin Li and Lu Chen – have both been wrongly listed under affiliation number 1, ‘Beijing Key Laboratories of Daily Cattle Genetic, Breeding and Reproduction’. The correct affiliation for Chunjin Li and Lu Chen is number 2 – ‘College of Animal Sciences, Jilin University, Changchun, China’. The PDF and HTML have already been updated.
The authors apologize for the mistake.