Microbial Additives to Reduce Ammonia Emission from Poultry Houses

Animal Manure Management July 22, 2013 Print Friendly and PDF

Reprinted, with permission, from the proceedings of: Mitigating Air Emissions From Animal Feeding Operations Conference.

The proceedings, "Mitigating Air Emissions from Animal Feeding Operations", with expanded versions of these summaries can be purchased through the Midwest Plan Service.

This Technology is Applicable To:

Species: Poultry
Use Area: Animal Housing
Technology Category: Ration Manipulation
Air Mitigated Pollutants: Ammonia

System Summary

Use of Bacterial products (Bacillus based) such as Micro Treat P and Provalen has demonstrated to effectively reduce litter ammonia emissions in broiler, layer and turkey production systems. It has been known that gram negative bacteria in the litter and fecal matter break down the nitrogen and convert to ammonia as result of their growth and multiplication. It is also been known that certain bacteria have the property to help in reduce gram negative bacteria in the litter and droppings there by retaining nitrogen in the litter and fecal matter. Micro Treat P is a proprietary product designed and produced by Agtech Products, Inc. This is added to the poultry litter. Provalen is a bacillus based feed additive designed for layers.

Applicability and Mitigating Mechanism

  • Gram negative bacteria are highly prevalent in poultry litter and waste.
  • These Gram negative bacteria convert uric acid in the poultry waste to make harmful ammonia.
  • Application of Micro Treat P and Provalen lowers the gram negative counts in the litter and poultry waste.
  • The reduction in Gram Negative bacterial population helps in nitrogen retention and reduced ammonia production.

 

Limitations

  • It is a long term ammonia reduction tool.
  • The mode of action of microbial litter amendments are cumulative in nature and do not accomplish a quick ammonia reduction like chemicals.

 

Cost

MicroTreat P comes foil packs and is concentrated for convenient use. The application rate is based on type of poultry and fecal material produced. Typically the treatment costs are as follows: Broilers $0.005 per bird, Turkeys $0.055 (40 pound tom) and $0.028 (16 pound hen). The cost to treat layers feeds with Provalen is approximately $2.00/ ton.

Authors

Daniel Karunakaran
Agtech Products, INC. Waukesha, WI
Point of Contact:
Dr. Daniel Karunakaran, dkarunakaran@agtechproducts.com

The information provided here was developed for the conference Mitigating Air Emissions From Animal Feeding Operations Conference held in May 2008. To obtain updates, readers are encouraged to contact the author.

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.