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Effects of dietary boron supplementation on broilers

A F Rossi1, R D Miles, B L Damron

  • 1Department of Poultry Science, University of Florida, Gainesville 32611.

Poultry Science
|November 1, 1993
PubMed
Summary

Supplementing broiler diets with boron showed mixed results. While 5 ppm boron increased male chick weight and bone strength, higher levels (300 ppm) reduced growth, indicating no clear need for supplemental boron in corn-soybean meal diets.

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Area of Science:

  • Animal Nutrition
  • Poultry Science
  • Trace Mineral Research

Background:

  • Boron is an essential trace element for animals.
  • Its role in broiler nutrition, particularly with corn-soybean meal diets, requires further investigation.
  • Understanding optimal boron supplementation levels is crucial for broiler health and performance.

Purpose of the Study:

  • To evaluate the effects of varying dietary boron levels on broiler performance and bone characteristics.
  • To determine if supplemental boron is beneficial or detrimental in practical broiler diets.
  • To assess boron accumulation in broiler tissues at different dietary concentrations.

Main Methods:

  • Two experiments involving 432 broiler chicks were conducted.
  • Birds were fed basal corn-soybean meal diets supplemented with 0 to 300 ppm boron for 21-22 days.

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  • Evaluated parameters included body weight, feed conversion, tibia strength and ash, and tissue boron concentration.

    • Main Results:

    • Supplementation with 5 ppm boron improved male body weight and tibia bone strength in Experiment 1.
    • Higher boron levels (300 ppm) in Experiment 2 reduced body weight but increased tibia ash.
    • Boron concentration in breast muscle and liver increased with dietary boron levels; up to 240 ppm was not detrimental.

    Conclusions:

    • Dietary boron levels up to 240 ppm were not detrimental to broiler performance from hatch to 21 days.
    • The data were inconclusive regarding the necessity of supplemental boron in corn-soybean meal-based broiler diets.
    • Further research is needed to establish definitive recommendations for boron supplementation in broiler production.