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. 2020 Jan 29;6(2):192–197. doi: 10.1016/j.aninu.2019.12.003

Fig. 2.

Fig. 2

Relative crop, pancreas and proventriculus weight of the heavy and light hens from a commercial free-range farm kept in net energy chambers. a, b Means with different superscripts indicate difference (P < 0.05).