9 CFR § 311.13 - Pigmentary conditions; melanosis, xanthosis, ochronosis, etc.

---
identifier: "/us/cfr/t9/s311.13"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "9 CFR § 311.13 - Pigmentary conditions; melanosis, xanthosis, ochronosis, etc."
title_number: 9
title_name: "Animals and Animal Products"
section_number: "311.13"
section_name: "Pigmentary conditions; melanosis, xanthosis, ochronosis, etc."
chapter_name: "FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE"
subchapter_number: "A"
subchapter_name: "AGENCY ORGANIZATION AND TERMINOLOGY; MANDATORY MEAT AND POULTRY PRODUCTS INSPECTION AND VOLUNTARY INSPECTION AND CERTIFICATION"
part_number: "311"
part_name: "DISPOSAL OF DISEASED OR OTHERWISE ADULTERATED CARCASSES AND PARTS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 601-695; 7 CFR 2.17, 2.55."
regulatory_source: "35 FR 15569, Oct. 3, 1970, unless otherwise noted."
cfr_part: "311"
---


# 311.13 Pigmentary conditions; melanosis, xanthosis, ochronosis, etc.

(a) Except as provided in § 311.19, carcasses of livestock showing generalized pigmentary deposits shall be condemned.

(b) The affected parts of carcasses showing localized pigmentary deposits of such character as to be unwholesome or otherwise adulterated shall be removed and condemned.