Section 556.720 - Tetracycline(a)Acceptable daily intake (ADI). The ADI for total tetracycline residues (chlortetracycline, oxytetracycline, and tetracycline) is 25 [MICRO]g/kg of body weight per day.(b)Tolerances. The tolerances for the sum of tetracycline residues are:(1)Cattle and sheep.(i) Kidney and fat: 12 ppm.(2)Chickens and turkeys.(i) Kidney and fat: 12 ppm.(3)Swine.(i) Kidney and fat: 12 ppm.(c)Related conditions of use. See §§ 520.2345c and 520.2345d of this chapter.