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MOLDY GRAINS, MYCOTOXINS AND FEEDING PROBLEMS |
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Trichothecenes (DON, T-2) Detrimental Feed Concentrations What is ppm & ppb?
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The concentration of mycotoxins in feed are expressed as ppm or ppb. This refers to the weight units of the mycotoxin per one million (for ppm) or per one billion (for ppb) equivalent weights of the feed stuff. One part per million (ppm) is equivalent to: One penny in $10,000. One minute in two years. One dime in a mile-high stack of pennies. A single kernel in 2 tons of corn.
One part per billion (ppb) is equivalent to: One penny in $10,000,000. One pinch of salt in 10 tons of potato chips One second in 22 years. A single kernel in 2000 tons of corn. |