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Effects of dietary sorghum of different tannin concentrations and tallow supplementation on the performance of broiler chicks.

Abstract
1. The chemical compositions and tannin contents of 17 varieties of grain sorghum were determined. 2. Commercial broiler chicks were fed from 7 to 49 d of age on 15 experimental diets which varied in their concentrations of tannins and animal fat (tallow), by the inclusion of different amounts of high and a low protein varieties of sorghum. 3. Substitution of a low tannin sorghum completely for maize did not have any significantly adverse effect on performance. Broiler chicks could tolerate up to 2.6 g tannin/kg above which their performance was reduced. Addition of tallow did not significantly affect broiler performance except at the highest tannin content and added fat intake, where weight gain and efficiency appeared to improve significantly.
AuthorsJ Pour-Reza, M A Edriss
JournalBritish poultry science (Br Poult Sci) Vol. 38 Issue 5 Pg. 512-7 (Dec 1997) ISSN: 0007-1668 [Print] ENGLAND
PMID9510995 (Publication Type: Comparative Study, Journal Article, Research Support, Non-U.S. Gov't)
Chemical References
  • Fats
  • Hydrolyzable Tannins
  • tallow
Topics
  • Adipose Tissue (anatomy & histology, drug effects)
  • Animal Feed
  • Animals
  • Body Weight (drug effects)
  • Chickens (growth & development)
  • Dietary Supplements
  • Edible Grain
  • Energy Metabolism (drug effects)
  • Fats (administration & dosage, pharmacology)
  • Female
  • Hydrolyzable Tannins (administration & dosage, pharmacology)
  • Male
  • Regression Analysis
  • Sex Characteristics
  • Species Specificity
  • Zea mays

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