V-MAX 50- virginiamycin powder 
Phibro Animal Health

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V-MaxTM 50
(Virginiamycin)
TYPE A MEDICATED ARTICLE

To be mixed in cattle feed

Active Drug Ingredient

Virginiamycin : 11%

(Contains 50 g virginiamycin activity per lb)

Caution

CAUTION: Federal law restricts medicated feed containing this veterinary feed directive (VFD) drug to use by or on the order of a licensed veterinarian.

Inert ingredients :

Processed grain by-products, roughage products, calcium carbonate, carboxymethylcellulose, mineral oil

Important: Must be diluted in feed before use

Follow Directions on Back Panel

V-Max is a registered trademark of Phibro Animal Health Corporation

Phibro Animal Health Corporation, Teaneck, NJ 07666

Approved by FDA under NADA # 140-998

8812000

101-9141-06

NET CONTENTS: 50 lb (22.7 kg)

Distributed by:

PHIBRO ANIMAL HEALTH, INC.

Teaneck, NJ 07666, USA

(50 g virginiamycin activity per lb)
For use in complete feeds for cattle fed in confinement for slaughter as specified below
Directions for Use

Cattle fed in confinement for slaughter

Virginiamycin required mg/hd/day

Virginiamycin (g/tons) of complete feed (90% dry matter basis)

Reduction of incidence of liver abscesse

85–240

13.5–16.0

Caution: Not for use in animals intended for breeding.

Mixing Directions

Preparation ofType B Medicated Feeds for cattle fed in confinement for slaughter—Thoroughly mix the following amounts of V-Max 50 Type A Medicated Article to make 1 ton of Type B Medicated Feed to provide the concentrations shown in Table 1. An intermediate blending step, consistent with the mixing equipment specifications, should be performed to ensure adequate mixing.

Table 1. Type B Medicated Feed

lb of V-Max 50 Type A Medicated Article per ton of supplement

Virginiamycin concentration in Type B Medicated Feed (g/ton)

5

10

20

40

100

200

250

500

1,000

2,000

5,000

10,000

Preparation of Type C Medicated Feed for cattle fed in confinement for slaughter:

From Type B Medicated Feed: The Type B Medicated Feed must be diluted to a Type C Medicated Feed before being fed. Prepare a Type B Medicated Feed as described above. Thoroughly mix the V-Max 50 Type B Medicated Feed to make 1 ton of Type C Medicated Feed to provide 13.5 16.0 g of virginiamycin per ton of complete feed on a 90% dry matter basis using the examples provided in Table 2.

Table 2. Type C Medicated Feed prepared from V-Max 50 Type B Medicated Feed

lb of a 500g/ton Type B Medicated Feed per ton of complete feed

lb of a 1,000 g/ton Type B Medicated Feed per ton of complete feed

lb of a 5,000 g/ton Type B Medicated Feed per ton of complete feed

lb of a 10,000 g/ton Type B Medicated Feed per ton of complete feed

Virginiamycin concentration in complete feed 90% dry matter basis (g/ton)

54

27

5.4

2.7

13.5

64

32

6.4

3.2

16.0

From Type A Medicated Article: V-Max 50 Type A Medicated Article must be diluted to a Type C Medicated Feed before being fed. Thoroughly mix the Type A Medicated Article to make 1 ton of Type C Medicated Feed to provide 13.5 – 16.0 g of virginiamycin per ton of complete feed on a 90% dry matter basis using the examples provided in Table 3.

An intermediate blending step, consistent with the blending equipment specifications, should be performed to ensure adequate mixing.

Table 3. Type C Medicated Feed prepared from V-Max 50 Type A Medicated Article

lb of V-Max 50 Type A Medicated Article per ton of complete feed

Virginiamycin concentration in complete feed 90% dry matter basis (g/ton)

0.27

0.32

13.5

16.0

Feed continuously as sole ration

Store at or Below 25°C/77F°, Excursions Permitted Up To 40oC (104oF)

Close container after use

NOT FOR HUMAN USE

RESTRICTED DRUG (CALIFORNIA) – USE ONLY AS DIRECTED

V-Max 50

V-Max 50 LabelV-Max 50

V-MAX 50 
virginiamycin powder
Product Information
Product TypeVFD TYPE A MEDICATED ARTICLE ANIMAL DRUGItem Code (Source)NDC:66104-9601
Route of AdministrationORAL
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
VIRGINIAMYCIN (UNII: C49WS9N75L) (VIRGINIAMYCIN - UNII:C49WS9N75L) VIRGINIAMYCIN227 g  in 0.45 kg
Inactive Ingredients
Ingredient NameStrength
CALCIUM CARBONATE (UNII: H0G9379FGK)  
MINERAL OIL (UNII: T5L8T28FGP)  
CARBOXYMETHYLCELLULOSE SODIUM (UNII: K679OBS311)  
Packaging
#Item CodePackage DescriptionMarketing Start DateMarketing End Date
1NDC:66104-9601-122.7 kg in 1 BAG
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
NADANADA14099804/01/2010
Labeler - Phibro Animal Health (006989008)
Registrant - Phibro Animal Health (006989008)

Revised: 11/2023
Document Id: 4322dcc8-9750-499c-a6cd-c61a0ba0e831
Set id: de8f877b-06fe-41bc-a409-d4e5546cb5da
Version: 6
Effective Time: 20231107
 
Phibro Animal Health