(a) Specifications. Each milliliter of aqueous solution contains gentamicin sulfate equivalent to 50 milligrams of gentamicin.
(b) Sponsor. See Nos. 000061 and 054925 in Sec. 510.600(c) of this chapter.
(c) Related tolerances. See Sec. 556.300 of this chapter.
(d) Conditions of use--(1) Amount. Colibacillosis: 1 milliliter per 2 gallons of drinking water for 3 consecutive days, to provide 0.5 milligram/pound/day; swine dysentery: 1 milliliter per 1 gallon of drinking water for 3 consecutive days, to provide 1.0 milligram/pound/day.
(1) Amount. Colibacillosis: 1 milliliter per 2 gallons of drinking water for 3 consecutive days, to provide 0.5 milligram/pound/day; swine dysentery: 1 milliliter per 1 gallon of drinking water for 3 consecutive days, to provide 1.0 milligram/pound/day.
(2) Indications for use. In weanling swine for control and treatment of colibacillosis caused by strains of E. coli sensitive to gentamicin, and in swine for control and treatment of swine dysentery associated with Treponema hyodysenteriae.
(3) Limitations. For use in swine drinking water only. Do not store or offer medicated drinking water in rusty containers since the drug is quickly destroyed in such containers. Medicated drinking water should be prepared daily and be the sole source of drinking water for 3 consecutive days. Treatment may be repeated if dysentery recurs. Do not slaughter treated swine for food for at least 3 days following treatment. [48 FR 10302, Mar. 11, 1983. Redesignated at 49 FR 572, Jan. 5, 1984, and amended at 49 FR 14332, Apr. 11, 1984; 52 FR 7832, Mar. 13, 1987; 62 FR 34169, June 25, 1997; 71 FR 13542, Mar. 16, 2006] Sec. 520.1044b Gentamicin sulfate pig pump oral solution.
(a) Specifications. Each milliliter of pig pump oral solution contains gentamicin sulfate equivalent to 4.35 milligrams of gentamicin.
(b) Sponsor. See Nos. 000061 and 000859 in Sec. 510.600(c) of this chapter.
(c) Related tolerances. See Sec. 556.300 of this chapter.
(d) Conditions of use--(1) Amount. Administer 1.15 milliliters of pig pump oral solution (5 milligrams of gentamicin) orally per pig one time.
(1) Amount. Administer 1.15 milliliters of pig pump oral solution (5 milligrams of gentamicin) orally per pig one time.
(2) Indications for use. In neonatal swine 1 to 3 days of age for control and treatment of colibacillosis caused by strains of E. coli sensitive to gentamicin.
(3) Limitations. For use in neonatal swine only. Do not slaughter treated swine for food for at least 14 days following treatment. [49 FR 572, Jan. 5, 1984, as amended at 52 FR 7832, Mar. 13, 1987; 62 FR 29011, May 29, 1997; 78 FR 17596, Mar. 22, 2013] Sec. 520.1044c Gentamicin sulfate powder.
(a) Specifications. Each gram of powder contains gentamicin sulfate equivalent to:
(1) 16.7, 66.7, or 333.3 milligrams (mg) gentamicin.
(2) 333.3 mg gentamicin.
(b) Sponsors. See sponsors in Sec. 510.600(c) of this chapter for use as in paragraph (d) of this section as follows:
(1) No. 000061 for products described in paragraph (a)(1) of this section.
(2) Nos. 057561 and 061623 for product described in paragraph (a)(2) of this section.
(c) Related tolerances. See Sec. 556.300 of this chapter.
(d) Conditions of use in swine--(1) Amount. Administer in drinking water for 3 consecutive days as follows:
(1) Amount. Administer in drinking water for 3 consecutive days as follows:
(i) For colibacillosis: Gentamicin sulfate equivalent to 25 mg of gentamicin per gallon of drinking water to provide 0.5 mg per pound of body weight per day;
(ii) For swine dysentery: Gentamicin sulfate equivalent to 50 mg of gentamicin per gallon of drinking water to provide 1 mg per pound of body weight per day. Treatment may be repeated if dysentery recurs.
(2) Indications for use. For control and treatment of colibacillosis in weanling swine caused by strains of Escherichia coli sensitive to gentamicin, and for control and treatment of swine dysentery associated with Treponema hyodysenteriae.
(3) Limitations. For use in swine drinking water only. Do not store or offer medicated drinking water in rusty containers since the drug is quickly destroyed in such containers. Medicated drinking water should be prepared daily and be the sole source of drinking water.
(4) Withdrawal period. 10 days. [77 FR 4226, Jan. 27, 2012]