Influence of abomasal infusion of glucose or partially hydrolyzed starch on pancreatic exocrine secretion in beef steers

K. C. Swanson, C. J. Richards, D. L. Harmon

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

Five crossbred steers (348 ± 12 kg) fitted with a pancreatic pouch draining the main pancreatic duct and duodenal re-entrant and abomasal infusion cannulas were used in a 5 x 5 Latin square design to determine the influence of postruminal carbohydrate source and level on pancreatic exocrine secretion in beef steers. Abomasal infusion treatments (250 mL infused/ h) were water (control), 20 g/h glucose, 40 g/h glucose, 20 g/h starch hydrolysate (SH), and 40 g/h SH. Infusion periods were 8 d with 3 to 4 d of rest between periods. Pancreatic juice was collected for 6 h on d 8 of each collection period. Every 30 min a 10% subsample was composited and frozen and the remainder was infused into the duodenum via the reentrant cannula. Abomasal infusion of glucose or SH increased (P < 0.10) total secretion of pancreatic juice and decreased (P < 0.10) secretion of α-amylase activity. Abomasal carbohydrate infusion did not influence total secretion of protein, trypsin activity, or chymotrypsin activity. This experiment indicates that increasing postruminal glucose or SH decreases pancreatic α-amylase secretion.

Original languageEnglish
Pages (from-to)1112-1116
Number of pages5
JournalJournal of Animal Science
Volume80
Issue number4
DOIs
StatePublished - Apr 2002

Keywords

  • Cattle
  • Glucose
  • Pancreatic Juice
  • Secretion
  • Starch
  • α-Amylase

ASJC Scopus subject areas

  • Food Science
  • Animal Science and Zoology
  • Genetics

Fingerprint

Dive into the research topics of 'Influence of abomasal infusion of glucose or partially hydrolyzed starch on pancreatic exocrine secretion in beef steers'. Together they form a unique fingerprint.

Cite this