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. 2014 Mar 6;9(3):e90577. doi: 10.1371/journal.pone.0090577

Figure 4. A. Severe feather pecking at 5 weeks of age in Dekalb White (DW) and ISA brown (ISA) birds in relation to litter limitation B. Gentle feather pecking at 5 weeks of age in Dekalb White (DW) and ISA brown (ISA) birds in relation to litter limitation.

Figure 4