Section 225.10 - Personnel(a) Qualified personnel and adequate personnel training and supervision are essential for the proper formulation, manufacture, and control of medicated feeds. Training and experience leads to proper use of equipment, maintenance of accurate records, and detection and prevention of possible deviations from current good manufacturing practices.(b)(1) All employees involved in the manufacture of medicated feeds shall have an understanding of the manufacturing or control operation(s) which they perform, including the location and proper use of equipment.(2) The manufacturer shall provide an on-going program of evaluation and supervision of employees in the manufacture of medicated feeds.41 FR 52618, Nov. 30, 1976, as amended at 42 FR 12426, Mar. 4, 1977