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

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L-S 50
WATER SOLUBLE® POWDER
lincomycin-spectinomycin

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.

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 50Amount 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 Intake
Gallons/1000		Dosage
mg 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
40012436

PRINCIPAL DISPLAY PANEL - 75 g Bottle Label

L-S 50
WATER SOLUBLE® POWDER
lincomycin-spectinomycin
Antibacterial and Antimycoplasmal

TAKE TIME
OBSERVE LABEL
DIRECTIONS

FOR USE IN CHICKENS ONLY

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

NADA #46-109, Approved by FDA

PEEL FROM THE RIGHT
FOR SPANISH LANGUAGE

NET WT. 2.65 OZ
(75.0 grams)

L-S 50 Label
L-S 50 
lincomycin hydrochloride and spectinomycin sulfate tetrahydrate powder, for solution
Product Information
Product TypePRESCRIPTION ANIMAL DRUGItem Code (Source)NDC:54771-1108
Route of AdministrationORAL
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
LINCOMYCIN HYDROCHLORIDE (UNII: M6T05Z2B68) (LINCOMYCIN - UNII:BOD072YW0F) LINCOMYCIN16.7 g  in 75 g
SPECTINOMYCIN SULFATE TETRAHYDRATE (UNII: YS91P54918) (SPECTINOMYCIN - UNII:93AKI1U6QF) SPECTINOMYCIN33.3 g  in 75 g
Packaging
#Item CodePackage DescriptionMarketing Start DateMarketing End Date
1NDC:54771-1108-175 g in 1 BOTTLE, PLASTIC
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
NADANADA04610906/27/1973
Labeler - Zoetis Inc. (828851555)

Revised: 8/2022
Document Id: 315e2506-4585-492d-8360-3c251e60b653
Set id: ae3a3afa-debf-44d1-8378-d3227e3d0488
Version: 4
Effective Time: 20220817
 
Zoetis Inc.