3-nitro-4-hydroxyphenylarsonic Acid – MIB #21

---

Date Revised: 2011-04

Approved Brands

1. 3-NITRO-20 contains 3-nitro-4-hydroxyphenylarsonic acid at 200 g/kg (Alpharma Inc.)

Approved for use

In meal or pellet feed for broiler chickens, replacement chickens; laying chickens; turkeys; swine.

Approved claims

For broiler chickens – Claim 1
For replacement chickens – Claim 2
For laying chickens – Claim 3
For turkeys – Claim 4
For swine – Claim 5

---

Claim 1: For increased rate of weight gain and improved feed efficiency in broiler chickens.

Level of Drug:

50 mg/kg (0.005%) of complete feed for broiler chickens.

Directions:

Feed as sole ration.

Warning:

1. Discontinue the use of this medicated feed at least 5 days before treated birds are slaughtered for use in food.

Caution:

1. Never give other arsenicals to animals or birds receiving this arsenical.
2. Poultry and swine should have access to drinking water at all times.
3. Do not use arsenicals in feeds for ducks and geese.

---

Claim 2: For increased rate of weight gain and improved feed efficiency in replacement chickens.

Level of Drug:

50 mg/kg (0.005%) of complete feed for replacement chickens.

Directions:

Feed as sole ration.

Warning:

1. Discontinue the use of this medicated feed at least 5 days before treated birds are slaughtered for use in food.

Caution:

1. Never give other arsenicals to animals or birds receiving this arsenical.
2. Poultry and swine should have access to drinking water at all times.
3. Do not use arsenicals in feeds for ducks and geese.

---

Claim 3: For improved feed efficiency in laying chickens.

Level of Drug:

50 mg/kg (0.005%) of complete feed for laying chickens.

Directions:

Feed as sole ration.

Warning:

1. Discontinue the use of this medicated feed at least 5 days before treated birds are slaughtered for use in food.

Caution:

1. Never give other arsenicals to animals or birds receiving this arsenical.
2. Poultry and swine should have access to drinking water at all times.
3. Do not use arsenicals in feeds for ducks and geese.

---

Claim 4: For increased rate of weight gain and improved feed efficiency in turkeys.

Level of Drug:

50 mg/kg (0.005%) of complete feed for turkeys.

Directions:

Feed as sole ration.

Warning:

1. Discontinue the use of this medicated feed at least 5 days before treated birds are slaughtered for use in food.

Caution:

1. Never give other arsenicals to animals or birds receiving this arsenical.
2. Poultry and swine should have access to drinking water at all times.
3. Do not use arsenicals in feeds for ducks and geese.

---

Claim 5: For increased rate of weight gain and improved feed efficiency in swine.

Level of Drug:

25-50 mg/kg (0.0025%-0.005%) of complete feed for swine.

Directions:

Feed as sole ration.

Warning:

1. Discontinue the use of this medicated feed at least 5 days before treated animals are slaughtered for use in food.

Caution:

1. Never give other arsenicals to animals or birds receiving this arsenical.
2. Poultry and swine should have access to drinking water at all times.
3. Do not use arsenicals in feeds for ducks and geese.

---

Accepted Compatibilities

3-nitro-4-hydroxyphenylarsonic acid is compatible with the following drug/drug combinations. For details refer to the MIB as indicated.

Number	Medicated ingredients	For use in feed for
1.	Amprolium (MIB #27)	broiler chickens; replacement chickens; turkeys
2.	Amprolium (MIB #27) and Chlortetracycline hydrochloride (MIB #10.1)	broiler chickens; replacement chickens; turkeys
3.	Amprolium (MIB #27) and Penicillin from procaine penicillin (MIB #10.7)	chickens
4.	Amprolium (MIB #27) and Zinc or methylene disalicylate bacitracin (MIB #10.2)	broiler chickens; replacement chickens; turkeys
5.	Chlortetracycline hydrochloride (MIB #34)	broiler chickens; replacement chickens; laying chickens; turkeys; swine
6.	Clopidol (MIB #45)	broiler chickens; replacement chickens
7.	Clopidol (MIB #45) and Penicillin from procaine penicillin (MIB #10.7)	broiler chickens; replacement chickens
8.	Clopidol (MIB #45) and Zinc or methylene disalicylate bacitracin (MIB #10.2)	broiler chickens; replacement chickens
9.	Decoquinate (MIB #50)	broiler chickens
10.	Hygromycin B (MIB #20)	broiler chickens; replacement chickens; swine; laying chickens
11.	Hygromycin B (MIB #20) and Chlortetracycline hydrochloride (MIB #10.1)	broiler chickens; replacement chickens; swine
12.	Hygromycin B (MIB #20) and Penicillin from procaine penicillin (MIB #10.7)	chickens
13.	Hygromycin B (MIB #20) and Zinc or methylene disalicylate bacitracin (MIB #10.2)	broiler chickens; replacement chickens; swine
14.	Lasalocid sodium (MIB #66)	broiler chickens
15.	Maduramicin ammonium (MIB #71)	broiler chickens
16.	Monensin sodium (MIB #57)	broiler chickens
17.	Narasin (MIB #73)	broiler chickens
18.	Oxytetracycline hydrochloride (MIB #35)	broiler chickens; replacement chickens; laying chickens; turkeys; swine
19.	Piperazine (MIB #19)	broiler chickens; replacement and laying chickens; turkeys; swine
20.	Robenidine hydrochloride (MIB #58)	broiler chickens
21.	Zoalene (MIB #7)	broiler chickens; replacement chickens; turkeys
22.	Zoalene (MIB #7) and Chlortetracycline hydrochloride (MIB #10.1)	broiler chickens; replacement chickens; turkeys
23.	Zoalene (MIB #7) and Penicillin from procaine penicillin (MIB #10.7)	chickens
24.	Zoalene (MIB #7) and Zinc or methylene disalicylate bacitracin (MIB #10.2)	chickens; turkeys