Fenbendazole.

21 C.F.R. § 556.275
in effectEffective: 2024-07-01
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(a) Acceptable daily intake (ADI). The ADI for total residue of fenbendazole is 40 µg/kg of body weight per day. (b) Tolerances. The tolerances for fenbendazole are: (1) Cattle. (i) Liver (target tissue): 0.8 ppm fenbendazole (marker residue). (ii) Milk: 0.22 ppm fenbendazole sulfoxide (marker residue). (2) Chickens. (i) Liver (target tissue): 5.2 ppm fenbendazole sulfone (marker residue). (ii) Eggs: 1.8 ppm fenbendazole sulfone (marker residue). (3) Goats. (i) Liver (target tissue): 0.8 ppm fenbendazole (marker residue). (ii) [Reserved] (4) Swine. (i) Liver (target tissue): 3.2 ppm fenbendazole (marker residue). (ii) [Reserved] (5) Turkeys. (i) Liver (target tissue): 6 ppm fenbendazole sulfone (marker residue). (ii) [Reserved] (c) Related conditions of use. See §§ 520.905a, 520.905b, 520.905c, 520.905d, and 558.258 of this chapter.

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