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Perceived difference in the occurrence of four welfare problems in current housing systems compared to conventional cages, grouped by farmers with only cage (n = 20) or only non-cage (n = 23) systems. Lack of a common letter next to the bar indicates a difference in opinion (p < 0.05) between farmers currently using cage vs. non-cage systems. Scores ranged from –2 (much less) to +2 (much more). Asterisks indicate a significant difference from the neutral score (0).
