Skip to Content

Stafac 50

This page contains information on Stafac 50 for veterinary use.
The information provided typically includes the following:
  • Stafac 50 Indications
  • Warnings and cautions for Stafac 50
  • Direction and dosage information for Stafac 50

Stafac 50

This treatment applies to the following species:
Manufacturer: Phibro

(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

For further manufacture only.

(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

Stafac 50 Caution

Not for use in breeding swine over 120 lbs.

Mixing Directions-poultry

Mix 1 lb 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

Not for Use in Laying Chickens

20 g

180 g

For use in growing turkeys

Increased rate of weight gain and improved feed efficiency

10-20 g

90-180 g

Feed Continuously as Sole Ration

Store At Or Below 25°C (77°F), Excursions Permitted Up To 40°C (104°F)

Close Container After Use

Not For Human Use

Restricted Drug (California) - Use Only As Directed

Stafac is a registered trademark of Phibro Animal Health Corporation

NADA #91-513, Approved by FDA

Distributed by: Phibro Animal Health Corporation, Teaneck, NJ 07666

Net Weight

 

 

50 lb (22.6 kg)

9910000

101-9107-08

CPN: 3693043.2

PHIBRO ANIMAL HEALTH CORPORATION
GLENPOINTE CENTRE EAST, 300 FRANK W. BURR BOULEVARD, SUITE #21, TEANECK, NJ, 07666
Telephone:   201-329-7300
Customer Service:   888-403-0074
Fax:   201-329-7070
Website:   www.pahc.com
Every effort has been made to ensure the accuracy of the Stafac 50 information published above. However, it remains the responsibility of the readers to familiarize themselves with the product information contained on the US product label or package insert.

Copyright © 2016 North American Compendiums. Updated: 2016-10-31

Hide