Ammonia losses from livestock facilities and manure storage pose environmental and agronomic problems. Ammonia volatilization varies greatly depending on the environmental conditions and manure management. This calculator attempts to revise a tool that has been developed by University of Nebraska to calculate ammonia emissions from livestock operations. This calculator provides an approximation of ammonia emission based upon currently available information from USDA NRCS Agricultural Waste Management Field Handbook and LPES Lesson 21: Manure Storage Structures. The calculator is a simple tool for the producers to use to perform a quick ammonia losses calculation. Accurate ammonia loss estimates from manure are needed to improve nutrient management recommendations and test the value of ammonia abatement techniques

Select Animal Species and Production Stage:

Beef - Cow (confinement) Beef - Finishing Cattle Beef - Growing Calf (confinement) Dairy - Calf Dairy - Dry cow Dairy - Heifer Dairy - Lactating cow - 100 lbs milk/day Dairy - Lactating cow - 50 lbs milk/day Dairy - Lactating cow - 70 lbs milk/day Dairy - Lactating cow - 88 lbs milk/day Dairy - Milk fed calves Dairy - Veal Poultry - Egg - Layer Poultry - Meat - Broiler Poultry - Meat - Duck Poultry - Meat - Turkey (female) Poultry - Meat - Turkey (male) Swine - Boar Swine - Gestating sow Swine - Grow - finish (154 lb) Swine - Lactating sow Swine - Nursery Pig (27.5 lb)

Enter Herd Size of this Animal:

Gratitude and appreciation are extended to Rick Koelsch and Rick Stowell of the University of Nebraska for granting permission to use their fact sheet Ammonia Emissions Estimator as the basis for this calculator.

This information maintained by Atta Atia