Gene expression and activity of lactase in small intestinal mucosa of calves.

1Measurements were performed in duodenum, proximal, mid, and distal jejunum 2 h after feeding on day 2 of life in preterm (PT) and term (T) born calves and on d 4ay of life in term born and colostrum-fed calves (TC).2Values are means ± standard error, n = 7 per group, different values between segments (within one column) of each parameter are shown with lowercase letters (a,b,cP Gene expression and activity of lactase in small intestinal mucosa of calves.