Yan Zhou, Hai Xia Han, Qiu Xia Lei, Jin Bo Gao, Wei Liu, Fu Wei Li, Jie Liu and Ding Guo Cao, 2020. Associations of Diplotypes of Vldlr Gene with Egg Production Traits in Laiwu Black Chickens. Pakistan J. Zool., 52: 2371-2376. DOI: https://dx.doi.org/10.17582/journal.pjz/20180112070136