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Dot and box and whisker plots of: (a) stillborn piglets (#/litter); (b) alive over 24 h piglets (#/litter); (c) number of weaning (pigs/litter); and (d) weaning to estrus interval (days), in control group (T1), group fed with PFA-1 (T2) and group fed with PFA-2 (T3). #: Number; A,B Different letters above bars are indicative of significant difference (p < 0.05).
