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Related Experiment Videos

Unhydrolyzed vegetable sucrose polyester in broiler diets.

B L Damron1, S K Williams, A R Eldred

  • 1Department of Animal Sciences, University of Florida, Gainesville 32611-0910, USA. Damron@animal.ufl.edu

Poultry Science
|October 16, 2001
PubMed
Summary

Unhydrolyzed vegetable sucrose polyester (UVSP) up to 2.5% did not negatively impact broiler growth or feed intake. However, UVSP significantly reduced shank yellowness, indicating altered xanthophyll utilization in broiler diets.

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Area of Science:

  • Animal Science
  • Poultry Nutrition
  • Feed Additives

Background:

  • Broiler nutrition aims to optimize growth and meat quality.
  • Feed additives are evaluated for their impact on broiler performance and carcass characteristics.
  • Xanthophylls are crucial for desirable yolk and skin coloration, impacting consumer preference.

Purpose of the Study:

  • To evaluate the effects of unhydrolyzed vegetable sucrose polyester (UVSP) on broiler growth, feed intake, feed conversion, and shank coloration.
  • To determine the optimal inclusion level of UVSP in broiler diets without compromising performance.
  • To assess the impact of UVSP on xanthophyll utilization and its effect on shank yellowness.

Main Methods:

  • Duplicate 42-day broiler studies using a randomized-block design.

Related Experiment Videos

  • Dietary treatments included 0% to 2.5% UVSP added to starter and finisher diets.
  • Measurements included body weight, daily feed intake, feed conversion, litter moisture, and shank yellowness using a Minolta Chroma-meter.

    • Main Results:

    • UVSP up to 2.5% did not significantly affect body weights, feed intake, feed conversion, or litter moisture in either study.
    • In Experiment 2, broilers fed 0.5%, 2.0%, or 2.5% UVSP showed significantly greater average body weights compared to controls.
    • UVSP inclusion (≥0.5%) significantly reduced shank yellowness, suggesting reduced xanthophyll utilization.

    Conclusions:

    • UVSP can be included in broiler diets up to 2.5% without adverse effects on growth performance or litter quality.
    • UVSP inclusion significantly impacts shank coloration, necessitating further investigation into xanthophyll requirements.
    • Additional pigment titration trials are recommended to determine the levels of xanthophyll needed to counteract the effect of UVSP.