StacksVerified U.S. regulatory reference

21 CFR §573.780

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Identity. Polyethylene consists of basic polymers manufactured by the catalytic polymerization of ethylene.
  2. (b)Specifications.
    1. (1)For the purposes of this section, polyethylene shall meet the specifications in item 2.1 of § 177.1520(c) of this chapter.
    2. (2)The polyethylene is designed in a pellet form in a configuration presenting maximum angular surface having the following dimensions in centimeters:
  3. (c)Use. It is used as a replacement for roughage in feedlot rations for finishing slaughter cattle.
  4. (d)Labeling. The labels and labeling shall bear in addition to the other information required by the Act:
    1. (1)The name of the additive “polyethylene roughage replacement.”
    2. (2)Adequate directions for use which shall provide for the administration of one-half pound of polyethylene pellets per head per day for 6 successive days. All natural roughage should be removed for a minimum of 12 hours prior to administration of polyethylene roughage replacement. Roughage replacement must be adequately mixed in the ration for uniform distribution.