Weaning anorexia may contribute to local inflammation in the piglet small intestine

Barbara A. McCracken, Michael E. Spurlock, Mark A. Roos, Federico A Zuckermann, H Rex Gaskins

Research output: Contribution to journalArticle

Abstract

Compromising alterations in villus-crypt structure are common in pigs postweaning. Possible contributions of local inflammatory reactions to villus-crypt alterations during the weaning transition have not been described. This study evaluated local inflammatory responses and their relationship with morphological changes in the intestine in 21-d-old pigs (n = 112) killed either at weaning (Day 0) or 0.5, 1, 2, 4 or 7 d after weaning to either milk- or soy-based pelleted diets. Cumulative intake averaged <100 g during the first 2 d postweaning, regardless of diet. During this period of weaning anorexia, inflammatory T-cell numbers and local expression of the matrix metalloproteinase stromelysin increased while jejunal villus height, crypt depth and major histocompatibility complex (MHC) class l RNA expression decreased. Upon resumption of feed intake by the fourth d postweaning, villus height and crypt depth, CD8+ T cell numbers, MHC class I RNA expression and local expression of stromelysin returned to Day 0 values. Together the results indicate that inadequate feed intake during the immediate postweaning period may contribute to intestinal inflammation and thereby compromise villus-crypt structure and function.

Original languageEnglish (US)
Pages (from-to)613-619
Number of pages7
JournalJournal of Nutrition
Volume129
Issue number3
StatePublished - Mar 17 1999

Fingerprint

Anorexia
villi
Weaning
anorexia
Small Intestine
small intestine
piglets
weaning
inflammation
Inflammation
Matrix Metalloproteinase 3
Major Histocompatibility Complex
major histocompatibility complex
Swine
Cell Count
Soy Milk
Diet
T-Lymphocytes
feed intake
T-lymphocytes

Keywords

  • Inflammation
  • Pigs
  • Small intestine
  • Weaning

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Weaning anorexia may contribute to local inflammation in the piglet small intestine. / McCracken, Barbara A.; Spurlock, Michael E.; Roos, Mark A.; Zuckermann, Federico A; Gaskins, H Rex.

In: Journal of Nutrition, Vol. 129, No. 3, 17.03.1999, p. 613-619.

Research output: Contribution to journalArticle

McCracken, Barbara A. ; Spurlock, Michael E. ; Roos, Mark A. ; Zuckermann, Federico A ; Gaskins, H Rex. / Weaning anorexia may contribute to local inflammation in the piglet small intestine. In: Journal of Nutrition. 1999 ; Vol. 129, No. 3. pp. 613-619.
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