§ 556.275. Fenbendazole.
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/us/cfr/t21/s§ 556.275·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
(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]
(6)Quail.
(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. [84 FR 32993, July 11, 2019, as amended at 86 FR 57998, Oct. 20, 2021; 86 FR 61686, Nov. 8, 2021; 89 FR 85428, Oct. 28, 2024]
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§ 556.275
Fenbendazole.
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