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. 2018 May 23;14:168. doi: 10.1186/s12917-018-1491-3

Fig. 1.

Fig. 1

Histamine concentrations in rumen, blood, liver and mammary tissues in the LC and HC group. The ordinate axis indicates the absolute histamine content in tissue (n = 6 in each group, mean ± SEM). The white packed column represents the LC group, while the black packed column represents the HC group. The significant differences are indicated (*P < 0.05, **P < 0.01)