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Barn Hygiene

Reducing Ammonia and Odor in Poultry Houses and Barns

By ZnoNova Technical Team·6 min read·Updated 2026

Ammonia is one of the quiet profit-killers in animal housing. It stresses birds, irritates airways, downgrades welfare scores and makes barns unpleasant to work in. Here's why it builds up — and how a food-grade nano zinc oxide concentrate helps bring it down.

Clean, well-ventilated livestock barn

A clean, well-ventilated barn — the goal that odor control supports.

Where barn ammonia comes from

Ammonia (NH₃) is released when microbes break down nitrogen compounds in manure and litter — especially uric acid in poultry droppings. Warm, wet, poorly ventilated litter accelerates it. Beyond the smell, elevated ammonia damages the respiratory tract lining, suppresses appetite and growth, and raises foot-pad and welfare problems. It is also a workplace air-quality issue for staff.

Why ammonia matters

  • Bird performance — high NH₃ depresses intake, growth and feed conversion.
  • Welfare & health — airway irritation, foot-pad dermatitis, eye problems.
  • Worker comfort & compliance — air-quality limits in many facilities.
  • Neighbor relations — odor complaints around farms and food facilities.

The usual tools — and their limits

Ventilation and dry litter are the foundation, but they have limits in hot, humid or high-density conditions. Litter amendments (acidifiers) work but can be corrosive and short-lived. Harsh chemical deodorizers (chlorine, ozone) raise their own safety and material-compatibility concerns. Producers increasingly want something effective that is also non-toxic and gentle on animals, people and equipment.

How nano zinc oxide helps

ZnoNova Super Zinc is a food-grade, pH-neutral nano zinc oxide concentrate. Applied in the environment, the zinc chemistry binds and reduces odor compounds such as ammonia, and its antibacterial action curbs the microbes that generate odor in the first place. It is independently tested:

TestMethodResultReport
Ammonia deodorizationIntertek, FTTS-FA-01896%TWNC01003337
Antibacterial (E. coli)SGS>99.999%FA/2017/C1435A-01
Heavy metals (Pb/Cd/Hg)SGS food labNot detectedABA24404369
Why "non-toxic" matters here: because the product is food-grade and pH-neutral, it can be used around animals and people without the handling, corrosion and residue concerns of chlorine or ozone.

How to use it for odor control

Beyond poultry

The same approach applies to pig barns, livestock housing, and food-handling and public facilities where ammonia and organic odors are a problem — anywhere a non-toxic, food-grade deodorizer is preferred over harsh chemistry.

Cleaner air, calmer barns

Request a free sample, the Intertek and SGS reports, and an application guide for your facility.

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Frequently asked questions

How do you reduce ammonia in a poultry house?

Start with ventilation and dry litter, then add an odor-control agent. A food-grade nano zinc oxide concentrate (Intertek-tested at 96% ammonia deodorization) binds and reduces ammonia and curbs odor-causing microbes, applied as a diluted spray over litter and surfaces.

Is the deodorizer safe around animals?

Super Zinc is food-grade and pH-neutral, with lead, cadmium and mercury not detected in SGS food-lab testing — gentler than chlorine or ozone for use around animals, people and equipment.

Can the same product be used in feed/water and for odor control?

Yes. It is used in drinking water or feed for zinc nutrition, and diluted for environmental spraying to control odor — one product, two roles.

※ General technical information on barn odor control. ZnoNova Super Zinc is a zinc nutritional / antibacterial and deodorizing product, not a veterinary drug, and makes no disease-prevention or treatment claim. Comply with local biocide, feed and food regulations for your market.