FDA.reportPublic FDA data

Cattlyst

Manufacturer
Phibro Animal Health
Effective date
2026-01-12
Label type
OTC TYPE A MEDICATED ARTICLE ANIMAL DRUG LABEL
Version
6
Source
full-release
Hydrated at
2026-06-01 02:45:46

Label at a glance#

ProductCattlyst
Active ingredientLAIDLOMYCIN PROPIONATE POTASSIUM
Label structure11 sections

Dosage and administration

Feed the Type C medicated feed as the sole ration.

Label contents#

Full prescribing information#

Cattlyst 50G

SPL UNCLASSIFIED SECTION

Laidlomycin propionate potassium

Type A Medicated Article

Net Wt 50 LB (22.68 kg)

SPL UNCLASSIFIED SECTION

For further manufacturing only.

Active Drug Ingredient

DESCRIPTION SECTION

Laidlomycin propionate potassium, 50 grams per pound, in a carrier suitable for incorporation in feed.

Weight Gain and Feed Efficiency

INDICATIONS & USAGE SECTION

For increased rate of weight gain and improved feed efficiency in growing beef steers and heifers fed in confinement for slaughter when fed a complete Type C medicated feed containing 5 g/ton laidlomycin propionate potassium to provide 30 to 75 mg laidlomycin propionate potassium per head per day.

For improved feed efficiency in growing beef steers and heifers fed in confinement for slaughter when fed a complete Type C medicated feed containing 5 to 10 g/ton laidlomycin propionate potassium to provide 30 to 150 mg laidlomycin propionate potassium per head per day.

Not for use in animals intended for breeding.

Mixing And Feeding Instructions

SPL UNCLASSIFIED SECTION

Read all directions carefully before mixing and feeding.

Type B Medicated Feed

SPL UNCLASSIFIED SECTION

Thoroughly mix the following amounts of Cattlyst 50G to make one ton of Type B medicated feed containing the concentrations laidlomycin propionate potassium shown in TABLE 1. When using small quantities of Cattlyst 50G (e.g. two lb/ton or less), perform an intermediate blending step to ensure adequate mixing.

Type B liquid medicated feed manufactured from Cattlyst 50G must have a dry matter content between 62 and 75%, pH between 6.0 to 8.0, and concentration of laidlomycin propionate potassium of 100 to 2,000 g/ton. The label of the Type B liquid medicated feed must carry daily, and prior to use, recirculating/agitation directions and an expiration of 21 days from date of manufacture. The Type C medicated feed manufactured from this Type B liquid medicated feed must be fed within 7 days from date of manufacture.

TABLE 1 - Type B Medicated Feed
Pounds of Cattlyst 50G per ton of Type B medicated feedLaidlomycin propionate potassium concentration in Type B medicated feed (g/ton)
 2 100
 4 200
 20 1,000
 40 2,000

Type C Medicated Feed

SPL UNCLASSIFIED SECTION

Thoroughly mix the following amounts of Cattlyst 50G to make one ton of Type C Medicated Feed that provides 5-10 grams of laidlomycin propionate potassium per ton of feed on a 90% dry matter basis (TABLE 2). An intermediate blending step should be performed to ensure adequate mixing. For example, use one part Cattlyst 50G Type A Medicated Article with nine parts of feed ingredients to prepare an intermediate blend before preparing a Type C Medicated Feed.

TABLE 2 - Type C Medicated Feed
Pounds of Cattlyst 50G per ton of complete Type C medicated feedPounds of a 1,000 g/ton Type B medicated feed per ton of complete Type C medicated feedLaidlomycin propionate potassium concentration in complete Type C medicated feed (g/ton)
 0.1 10 5
 0.15 15 7.5
 0.20 20 10

Feeding Directions

SPL UNCLASSIFIED SECTION

Feed the Type C medicated feed as the sole ration.

Animal Safety Warning

OTHER SAFETY INFORMATION

Do not allow horses or other equines access to feeds containing laidlomycin propionate potassium (Cattlyst 50G). The safety of laidlomycin propionate potassium (Cattlyst 50G) in unapproved species has not been established.

User Safety Warnings

USER SAFETY WARNINGS SECTION

When mixing and handling Cattlyst 50G use appropriate protective clothing, eye, face, and respiratory protection. If accidental eye or skin contact occurs, rinse immediately with water. Operators should wash thoroughly with soap and water after handling Cattlyst 50G.

Keep container closed between uses.

Store below 25°C (77°F), excursions permitted to 37°C (99°F).

Restricted Drug (California) - Use Only as Directed. Not for human use.

WITHDRAWAL PERIODS

WARNINGS SECTION

No withdrawal period is required when used according to labeling.

SPL UNCLASSIFIED SECTION

Distributed by:
Phibro Animal Health Corporation
Teaneck, NJ 07666


Net Wt 50 LB (22.68 kg)


176-9014-03

image descriptionimage description

Cattlyst 50 Label

PACKAGE LABEL.PRINCIPAL DISPLAY PANEL

Label

Cattlyst 50 LabelCattlyst 50 Label

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
66104-2000-1Cattlyst22.68 kg in 1 BAGGRANULE22.686

Products#

Every source-derived product name is available through these pages.

DailyMed product names page 1 of 1 · 3 matching rows.

NDC Codes#

Product NDC, Package NDC table
Product NDCPackage NDC
66104-200066104-2000-1

Ingredients#

Every source-derived ingredient row is available through these pages.

DailyMed ingredient rows page 1 of 1 · 1 matching rows.

Name, UNII, Kind table
NameUNIIKind
LAIDLOMYCIN PROPIONATE POTASSIUM05TAA9I0Z8ACTIM

Source Document#

Source XML

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.