Figure 3From: Genetic parameters and genome-wide association study of hyperpigmentation of the visceral peritoneum in chickensExpression of chicken MAP3K7IP1, HIPK2, BMP7, and MAP3K7 . * and ** indicate significant differences at P < 0.05 and P < 0.01, respectively, in gene expression between the visceral peritoneum of the normal Huiyang Beard chickens and Huiyang Beard chickens with hyperpigmentation of visceral peritoneum.Back to article page