Stafac 50

Dosage Form: FOR ANIMAL USE ONLY
Stafac® 50

(virginiamycin)

TYPE A MEDICATED ARTICLE

Active Drug Ingredient

Virginiamycin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11%

(Contains 50 g virginiamycin activity per lb)

Ingredients:

Processed grain by-products, roughage products, calcium carbonate,

carboxymethylcellulose, mineral oil

(50 g virginiamycin activity per lb)

For use in swine and poultry feeds as specified below

Directions for Use

Mixing Directions—Swine

Stafac 50 Type A Medicated Article must be thoroughly mixed in the feed to assure even distribution. Determine the appropriate amount of Stafac 50 required from the table below. Dilute Stafac 50 with a portion of one of the feed ingredients (enough to make a quantity equal to 10 lb per ton) before final mixing.

Swine	Required level of virginiamycin activity per ton of Type C Medicated Feed (complete feed)	Required amount of Stafac 50 per ton of Type C Medicated Feed (complete feed)	Amount of virginiamycin activity provided to animal per lb of body weight per day
Continuous Feed Programs From Weaning to Market Weight Weaning to 120 lb Increased rate of weight gain and improved feed efficiency	10 g	90 g
120 lb to market weight Increased rate of weight gain Improved feed efficiency	5-10 g 5 g	45-90 g 45 g
Treatment of swine dysentery in nonbreeding swine weighing over 120 lb	100 g for 2 weeks	2 lb	2.27 mg
Treatment and control of swine dysentery in swine weighing up to 120 lb	100 g for 2 weeks followed by 50 g	2 lb 1 lb	2.27 mg 1.14 mg
Aid in control of swine dysentery in swine weighing up to 120 lb For use in animals or on premises with a history of swine dysentery but where symptoms have not yet occurred	25 g	8 oz	0.57 mg
CAUTION: Not for use in breeding swine over 120 lbs.

 

Mixing Directions—Poultry Mix 1 lb of Stafac 50 with 9 lb of feed ingredients to make 10 lb of an intermediate mix to contain 5 g/lb virginiamycin. Add 1 lb of the intermediate feed premix for each 5 g of virginiamycin needed to medicate a ton of feed.
Poultry	Required level of virginiamycin activity per ton of Type C Medicated Feed (complete feed)	Required amount of Stafac 50 per ton of Type C Medicated Feed (complete feed)
For use in broiler chickens
Increased rate of weight gain	5-15 g	45-135 g
Improved feed efficiency	5 g	45 g
Prevention of necrotic enteritis caused by Clostridium perfringens susceptible to virginiamycin	20 g	180 g
Not for Use in Laying Chickens For use in growing turkeys
Increased rate of weight gain andimproved feed efficiency	10-20 g	90-180 g

Feed Continuously as Sole Ration

Store In a Dry, Cool Place

Close Container After Use

NOT FOR HUMAN USE

RESTRICTED DRUG (CALIFORNIA) – USE ONLY AS DIRECTED

For further manufacture only.

Follow Directions on Back Panel

Net Weight 50 lb (22.6 kg)

U.S. Patent Nos. 3,325,359 and 3,627,885;

for use under U.S. Patent No. 3,017,272

NADA #91-513, Approved by FDA

8815000

101-9107-03

Stafac 50  virginiamycin  powder

Product Information Product Type OTC TYPE A MEDICATED ARTICLE ANIMAL DRUG NDC Product Code (Source) 66104-8815 Route of Administration ORAL DEA Schedule

Active Ingredient/Active Moiety Ingredient Name Basis of Strength Strength VIRGINIAMYCIN (VIRGINIAMYCIN) VIRGINIAMYCIN 50 g  in 0.45 kg

Inactive Ingredients Ingredient Name Strength RICE BRAN

Product Characteristics Color      Score      Shape Size Flavor Imprint Code Contains

Packaging # NDC Package Description Multilevel Packaging 1 66104-8815-0 22.6 kg In 1 BAG None

Marketing Information
Marketing Category	Application Number or Monograph Citation	Marketing Start Date	Marketing End Date
NADA	NADA91513	03/24/2010

Labeler - Phibro Animal Health (006989008)

Revised: 08/2010Phibro Animal Health