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Feed Testing

Feed Analyses Packages

Individual Analyses

Individual Mineral Analyses

Liquid Feed/Molasses Analyses

Fat and Oil Analyses

Vitamin Analyses

Mycotoxin/Mold Analyses

Bacteriological Analyses

Biological Sample Analyses

Pesticide Analyses by Gas Chromatography

PCB Analyses

Organic Acid Analyses

Fertilizer Analyses

Manure Analyses

Sampling Instructions

Water Testing

Environmental Testing

Testing Supplies

Sample Tracking

Important Information



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Formerly Peterson Labs


Manure Analyses

SDK labs provides a full range of Agricultural Testing Analyses in packages or individual tests to suit all needs. Our professional staff ensures quality is maintained from receipt of your sample to the delivery of your results.

CAUTION!  Manures and sludges may produce gases after being sealed in a container. Never use glass - use plastic sample containers and tape the lid.  Plastic sample bottles are available upon request

Remember, good sampling techniques ensure accurate test results!  Click here for accurate sampling instructions.

Minimum Fee of $12.00 per sample.

Sample bags and shipping supplies available here

Manure Analyses

Manure-Sludge-Compost Analysis


Moisture      Dry Matter      Nitrogen, TKN      Phosphorus as P205      Potassium as K2O      Ash      Organic Matter      C:N Ratio







Nitrogen, Ammonia


Nitrogen, Nitrate


Nitrogen, TKN


Nitrogen, Organic


Phosphorus as P2O5


Potassium as K2O




Minerals   *SEE Minerals under Feed Analyses*

Certifications and Memberships:     AOCS     NFTA     AAFCO     AOAC     AACC     

Copyright 2003     SDK Laboratories