Section 556.113 - Ceftiofur(a)Acceptable daily intake and acute reference dose -(1)Acceptable daily intake (ADI). The ADI for total residue of ceftiofur is 30 [MICRO]g/kg of body weight per day.(2)Acute reference dose (ARfD). The ARfD for total residue of ceftiofur is 0.830 mg/kg of body weight.(b)Tolerances. The tolerances for desfuroylceftiofur (marker residue) are:(1)Cattle.(i) Kidney (target tissue): 0.4 ppm.(2)Chickens and turkeys. Edible tissues (excluding eggs): Not required.(3)Goats.(i) Kidney (target tissue): 8 ppm.(4)Sheep. Edible tissues (excluding milk): Not required.(5)Swine.(i) Kidney (target tissue): 0.25 ppm.(c)Related conditions of use. See §§ 522.313a , 522.313b , 522.313c , and 526.313 of this chapter.