§ 522.2120 Spectinomycin hydrochloride.

Specifications.(a) Each milliliter of solution contains 100 milligrams (mg) spectinomycin hydrochloride (as spectinomycin dihydrochloride pentahydrate).

Sponsors.(b) See sponsors in § 510.600(c) of this chapter:

(1) Nos. 016592 and 054771 for use as in paragraph (d)(1) of this section; and

(2) No. 058198 for use as in paragraph (d)(2) of this section.

Related tolerances.(c) See § 556.600 of this chapter.

Conditions of use.(d) It is administered as follows:

Turkeys (1- to 3-day-old poults) and chickens (newly hatched chicks)Amounts and indications for use.Escherichia coli(1) —(i) (A) Administer 5 mg per poult subcutaneously as an aid in the control of chronic respiratory disease (CRD) associated with in 1- to 3-day-old turkey poults.

Mycoplasma meleagridis(B) Administer 10 mg per poult as a single subcutaneous injection in the nape of the neck as an aid in the control of airsacculitis associated with sensitive to spectinomycin in 1- to 3-day-old turkey poults.

M. synoviae, Salmonella typhimurium, S. infantis,E. coli.(C) Administer 2.5 to 5 mg per chick as an aid in the control of mortality and to lessen severity of infections caused by and

Limitations.(ii) For use only in 1- to 3-day-old turkey poults and newly hatched chicks. Federal law restricts this drug to use by or on the order of a licensed veterinarian.

DogsAmount.(2) —(i) Administer 2.5 to 5.0 mg per pound of body weight by intramuscular injection twice daily. Treatment may be continued for 4 days.

Indications for use.(ii) For treatment of infections caused by gram-negative and gram-positive organisms susceptible to spectinomycin.

Limitations.(iii) Federal law restricts this drug to use by or on the order of a licensed veterinarian.

[86 FR 14820, Mar. 19, 2021, as amended at 88 FR 27700, May 3, 2023]