Complete Up To Date Information about L-S 50 Water Soluble Powder.
NADA Number: 046-109 | |
| Proprietary Name |
L-S 50 Water Soluble® Powder |
|---|---|
| Sponsor |
Pharmacia & Upjohn Co. |
| Sponsor Address |
a Division of Pfizer, Inc. 235 East 42nd St. New York, NY 10017 USA |
| Ingredients |
Lincomycin Hydrochloride Monohydrate Spectinomycin Sulfate Tetrahydrate |
| Species |
Chicken, up to 7 days old |
| Routes of Administration |
Per Os |
| Dose Form |
Liquid (solution) |
| Drug Form |
Powder |
| Dispensing Status |
OTC |
| Patent Number |
3679787 |
|
Dosage Amount, Indications & Limitations |
520.1265 Lincomycin hydrochloride monohydrate and spectinomycin sulfate tetrahydrate soluble powder. Specifications: The lincomycin hydrochloride monohydrate meets the specifications prescribed by 453.30(a)(1) of this chapter. The spectinomycin sulfate tetrahydrate used in manufacturing the drug is the antibiotic substance produced by the growth of Streptomyces spectabilis or the same antibiotic substance produced by any other means. The quantity of total antibiotic activity cited in this section refers to the equivalent weight of the base activity of the drugs. Lincomycin hydrochloride monohydrate and spectinomycin sulfate tetrahydrate are present in the drug in the ratio of 1 to 2 on the basis of equivalency of lincomycin base to the equivalency of spectinomycin base. Conditions of use: Chickens (up to 7 days old) Amount: Administered the drinking water at a level of 2 grams of antibiotic activity per gallon of water as the sole source of water for the first 5 to 7 days of life. Indications: It is administered in the drinking water of chickens up to 7 days of age as an aid in the control of airsacculitis caused by either Mycoplasma synoviae or Mycoplasma gallisepticum susceptible to lincomycin-spectinomycin and complicated chronic respiratory disease (air sac infection) caused by Escherichia coli and M. gallisepticum susceptible to lincomycin-spectinomycin. Limitations: No limitations are included in the CFR for this species when using this product in this amount. |
| Tolerances |
A tolerance for residues of lincomycin in chickens is not required. Tolerances for lincomycin in swine of 0.6 part per million in liver and 0.1 part per million in muscle are established. A tolerance of 0.1 part per million (ppm) for negligible residues of spectinomycin in uncooked edible tissues of chickens and turkeys is established. A tolerance of 4 ppm for parent spectinomycin (marker residue) in kidney (target tissue) and 0.4 ppm for parent spectinomycin in cattle muscle in cattle is established. |