§ 579.22 - Ionizing radiation for treatment of animal diets.

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Ionizing radiation for treatment of complete diets for animals may be safely used under the following conditions:

Energy sources. Ionizing radiation is limited to:

Gamma rays for sealed units of the radionuclides cobalt-60 or cesium-137.

Electrons generated from machine sources at energy levels not to exceed 10 million electron volts.

Uses. (1) The ionizing radiation is used or intended for use in single treatment as follows:

If an irradiated feed ingredient is less than 5 percent of the final product, the final product can be irradiated without being considered to be re-irradiated.