Endogenous amylase levels and response to supplemental feed enzymes in male turkeys from hatch to eight weeks of age.

C. W. Ritz, R. M. Hulet, B. B. Self, D. M. Denbow

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Amylase and xylanase enzyme concentrations in the pancreas, small intestine, and crop were measured in Nicholas male poults fed diets with and without supplemental amylase and xylanase from 0 to 8 wk of age. Eight birds from each of three diets (control, amylase-supplemented, xylanase-supplemented) were killed every 3 d to determine the amylase and xylanase activity within the pancreas, small intestine, and crop. Pancreatic organ weight was not affected by diet, indicating an absence of dietary amylase effect upon pancreatic tissue growth. Pancreatic amylase activity was not consistently affected by diet. Amylase activity within the intestinal chyme increased sporadically with dietary amylase supplementation over the control and xylanase-supplemented diets. Increasing supplemental amylase activity levels may provide more conclusive evidence of an additive effect of dietary amylase and endogenous amylase activity. Xylanase supplementation within the feed did not affect endogenous amylase activity.

Original languageEnglish (US)
Pages (from-to)1317-1322
Number of pages6
JournalPoultry science
Volume74
Issue number8
DOIs
StatePublished - Aug 1995

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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