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Effects of weaning age on postweaning short-circuit current (Isc) in porcine jejunum. Pigs were subjected to different weaning ages (15, 18, 21, 23, and 28 days old), and jejunal tissues were harvested from 35-day-old pigs for measurement of Isc. Values are means ± SE (n = 6 pigs per weaning age treatment). a,b,cSignificantly different (P < 0.05) by ANOVA.
