CFR

520.2123b—Spectinomycin powder.

(a) Specifications. Each gram (g) of powder contains spectinomycin dihydrochloride pentahydrate equivalent to 0.5 g spectinomycin.

(b) Sponsor. See No. 061623 in § 510.600(c) of this chapter.

(d) Conditions of use in chickens. It is administered in the drinking water of growing chickens as follows:

(1) Indications for use and amounts— (i) For increased rate of weight gain and improved feed efficiency in broiler chickens, administer 0.5 g per gallon of water as the only source of drinking water for the first 3 days of life and for 1 day following each vaccination.

(ii) As an aid in controlling infectious synovitis due to Mycoplasma synoviae in broiler chickens, administer 1 g per gallon of water as the only source of drinking water for the first 3 to 5 days of life.

(iii) As an aid in the prevention or control of losses due to CRD associated with M. gallisepticum (PPLO) in growing chickens, administer 2 g per gallon of water as the only source of drinking water for the first 3 days of life and for 1 day following each vaccination.

(2) Limitations. Do not administer to laying chickens. Do not administer within 5 days of slaughter.

Code of Federal Regulations

[73 FR 6607, Feb. 5, 2008]

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