---
kind: "section"
citation: "21 C.F.R. § 573.540"
title: "21"
number: "573.540"
heading: "Hydrolyzed leather meal."
url: "https://uscodex.org/cfr/21/573.540"
---

# §573.540. Hydrolyzed leather meal.

- (a) **Identity.** Hydrolyzed leather meal is produced from leather scraps that are treated with steam for not less than 33 minutes at a pressure of not less than 125 pounds per square inch.
- (b) **Specifications.** The additive shall conform to the following percent-by-weight specifications:
- (c) **Use.** It is used or intended for use as a source of protein in swine feeds in an amount not to exceed 1.0 percent by weight of the finished feed.
- (d) **Labeling.** The labels and labeling shall bear, in addition to the other information required by the Act:
  - (1) **The name of the additive, hydrolyzed leather meal.**
  - (2) **Adequate directions to provide finished feeds complying with paragraph (c) of this section.**

## Notes

### Authority

Authority: 21 U.S.C. 321, 342, 348.

### Source

Source: 41 FR 38652, Sept. 10, 1976, unless otherwise noted.