Comparative Estimation on Three-Way Heterosis in Pigs Reveals Genetic Bias of the Widely Used Empirical Formula

Xiang Li, Yubo Zhang, Zhonglin Tang, Mei Yu, Bang Liu, Bin Fan, Shanping Xu, Zhongzhen Peng, Shu-hong Zhao and Mengjin Zhu

Journal of Animal and Veterinary Advances 8 ( 6 ): 1212 - 1218 , 2009