L-S 50: Product Information

L-S 50- lincomycin hydrochloride and spectinomycin sulfate tetrahydrate powder, for solution
Zoetis Inc.

L-S 50
WATER SOLUBLE® POWDER
lincomycin-spectinomycin
Antibacterial and Antimycoplasmal
CAUTION: Federal law restricts this drug to use by or on the order of a licensed veterinarian.
FOR USE IN CHICKENS ONLY

INDICATIONS AND USAGE

For use in 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. Complicated Chronic Respiratory Disease (Air Sac Infection) caused by Escherichia coli and M. gallisepticum susceptible to lincomycin-spectinomycin.

Complicated Chronic Respiratory Disease (Air Sac Infection) caused by Escherichia coli and M. gallisepticum susceptible to lincomycin-spectinomycin.

DOSAGE AND ADMINISTRATION

Dosage

Provide 2 grams (g) antibiotic activity per gallon of drinking water. Administer as the sole source of water for the first 5 to 7 days of life.

Administration

Amount of L-S 50 Amount of Drinking Water
1 bottle 25 gallons
For proportioners delivering 1 ounce of solution per gallon of drinking water, dissolve contents of 5 bottles in each gallon of proportioner solution.

Important: Chickens should consume water at the following approximate rate to insure intake of the required dose of lincomycin-spectinomycin indicated:

Broilers and Layer Replacements (Light and Heavy)
Age(Weeks) Daily Water IntakeGallons/1000 Dosagemg Antibiotic/lb
1 5 50-65

PRECAUTION

Discard medicated drinking water daily and replace with fresh medicated drinking water.

WARNING

Not for human use.

Storage

Store at Controlled Room Temperature 20° to 25° C (68° to 77° F).

Restricted Drug (California)-Use Only as Directed

Made in China
Distributed by: Zoetis Inc.
Kalamazoo, MI 49007

500809
40039820

PRINCIPAL DISPLAY PANEL — 75 g Bottle Label

TAKE TIME
OBSERVE LABEL
DIRECTIONS

This bottle contains:

Lincomycin hydrochloride, equivalent to
lincomycin
16.7 grams

Spectinomycin sulfate tetrahydrate,
equivalent to spectinomycin
33.3 grams

Total Antibiotic Activity
50.0 grams

zoetis

Approved by FDA under NADA # 046-109

PEEL FROM THE RIGHT
FOR SPANISH LANGUAGE

NET WT. 2.65 OZ (75.0 grams)

L-S 50 Label
(click image for full-size original)
L-S 50 lincomycin hydrochloride and spectinomycin sulfate tetrahydrate powder, for solution
Product Information
Product Type PRESCRIPTION ANIMAL DRUG Item Code (Source) NDC:54771-1108
Route of Administration ORAL DEA Schedule
Active Ingredient/Active Moiety
Ingredient Name Basis of Strength Strength
LINCOMYCIN HYDROCHLORIDE (LINCOMYCIN) LINCOMYCIN 16.7 g in 75 g
SPECTINOMYCIN SULFATE TETRAHYDRATE (SPECTINOMYCIN) SPECTINOMYCIN 33.3 g in 75 g
Packaging
# Item Code Package Description Multilevel Packaging
1 NDC:54771-1108-1 75 g in 1 BOTTLE, PLASTIC None
Marketing Information
Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NADA NADA046109 06/27/1973
Labeler — Zoetis Inc. (828851555)

Revised: 11/2022 Zoetis Inc.

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