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Related Experiment Videos

Evaluation of sorghum ergot toxicity in broilers.

C A Bailey1, J J Fazzino, M S Ziehr

  • 1Department of Poultry Science, Texas Agricultural Experiment Station, Texas A&M University System, College Station 77843-2472, USA. cbailey@poultry.tamu.edu

Poultry Science
|October 28, 1999
PubMed
Summary

Feeding broilers sorghum ergot, a byproduct of grain sorghum hybrid seed production, did not cause mortality or toxicity symptoms. However, it negatively impacted broiler growth and feed efficiency, especially at higher concentrations.

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Area of Science:

  • Animal Science
  • Agronomy
  • Toxicology

Background:

  • Sorghum ergot, a byproduct of hybrid seed production, contains toxic alkaloids.
  • Understanding the impact of sorghum ergot on broiler performance is crucial for feed formulation.

Purpose of the Study:

  • To evaluate the effects of feeding sorghum ergot on broiler performance and health.
  • To determine the impact of different concentrations and sources of sorghum ergot on growth, feed efficiency, and toxicity.

Main Methods:

  • Three experiments were conducted with broilers fed diets containing sorghum ergot from different Texas locations.
  • Diets were formulated based on NRC (1994) requirements, with varying levels of ergot inclusion.
  • Broiler performance (growth, feed efficiency) and health indicators (liver weight, toxicity symptoms) were monitored.

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Main Results:

  • Sorghum ergot did not cause mortality or overt toxicity symptoms in broilers.
  • Reduced weight gain and impaired feed conversion were observed, particularly with higher ergot concentrations.
  • Liver weights were significantly increased in one experiment, but not consistently affected by ergot type or concentration.

Conclusions:

  • Sorghum ergot can negatively affect broiler growth and feed efficiency.
  • Further research is needed to establish safe inclusion levels and mitigate potential adverse effects in poultry diets.