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Related Experiment Videos

Peanut hulls as a litter source for broiler breeder replacement pullets

R J Lien1, J B Hess, D E Conner

  • 1Poultry Science Department, Auburn University, Alabama 36849, USA. rlien@accsag.auburn.edu

Poultry Science
|February 20, 1998
PubMed
Summary

Peanut hulls and pine shavings performed similarly as broiler breeder pullets litter. Gizzard weights were lower with hulls, and aflatoxins in unused hulls warrant further investigation.

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Area of Science:

  • Animal Science
  • Poultry Science
  • Agricultural Engineering

Background:

  • Litter type significantly impacts poultry performance and environmental quality.
  • Pine shavings are a common broiler litter, but alternative materials like peanut hulls are being explored.

Purpose of the Study:

  • To evaluate the effects of peanut hulls versus pine shavings on broiler breeder pullet growth performance.
  • To assess the impact of litter type on key litter characteristics, including physical properties, moisture, pH, ammonia, microbial populations, and aflatoxins.

Main Methods:

  • Broiler breeder pullets were reared on either peanut hulls or pine shavings for 20 weeks.
  • Standardized feeding, watering, heating, and ventilation were applied.
  • Litter and environmental variables were measured throughout rearing and post-use.

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Main Results:

  • No significant differences in feed consumption, body weight, mortality, or uniformity were observed between litter types.
  • Pullets on hulls had decreased gizzard weights.
  • Litter bulk density and particle size changed with use, with differences noted between hulls and shavings at specific time points.
  • Litter moisture increased with use but was not litter-type dependent.
  • Ammonia levels increased then decreased, with a more pronounced effect in hulls.
  • Fungal populations were higher in shavings, and aflatoxins were detected in unused hulls.

Conclusions:

  • Peanut hulls are a viable alternative to pine shavings for broiler breeder pullet litter, with similar overall performance.
  • The reduction in gizzard weight and the presence of aflatoxins in unused peanut hulls require further research regarding their long-term impact on bird health and performance.