9 CFR 113.32 - Detection of Brucella contamination.

§ 113.32 Detection of Brucella contamination.

The test for detection of Brucella contamination provided in this section shall be conducted when such a test is prescribed in an applicable Standard Requirement or in a filed Outline of Production for the product.

(a) One ml of the minced tissue used as the source of cells or 1 ml of the extract of the tissue prior to the addition of antibiotics, diluent and stabilizer, shall be inoculated onto each of three tryptose agar plates and incubated in a 10 percent CO2 atmosphere at a temperature of 35-37 °C for at least 7 days.

(b) If colonies are identified as Brucella, the biological product is unsatisfactory.

(c) If colonies suspicious of Brucella are observed but cannot be identified as a Brucella species, either

(1) The biological product shall be regarded as unsatisfactory and destroyed; or

(2) Further subculture or other procedures shall be carried out until a positive identification can be made.

[ 38 FR 29888, Oct. 30, 1973]

Title 9 published on 14-Sep-2017 03:43

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 9 CFR Part 113 after this date.

  • 2016-08-30; vol. 81 # 168 - Tuesday, August 30, 2016
    1. 81 FR 59427 - Viruses, Serums, Toxins, and Analogous Products; Packaging and Labeling
      GPO FDSys XML | Text
      DEPARTMENT OF AGRICULTURE, Animal and Plant Health Inspection Service
      Final rule.
      Effective October 31, 2016.
      9 CFR Parts 101, 103, 112, 113, and 114