Pet Medications

Ivy Laboratories, Division of Ivy Animal Health, Inc.

8857 Bond Street

Overland Park, KS    66214
USA

Ractopamine Hydrochloride

Melengestrol Acetate

Monensin Sodium

Tylosin Phosphate

Cattle, heifers fed in confinement for slaughter

Per Os

Type C medicated feed

Type A Medicated Article

OTC

Cattle: zero days before slaughter.

558.500 Ractopamine

Specifications:

Conditions of use:

Heifers fed in confinement for slaughter

Amount: 9.8 to 24.6 grams per ton ractopamine combined with monensin 10 to 40 grams per ton, tylosin 8 to 10 grams per ton, and melengestrol acetate to provide 0.25 to 0.5 milligrams per head per day.

Indications: For prevention and control of coccidiosis due to Eimeria bovis and E. zuernii; for reduction of liver abscesses caused by Fusobacterium necrophorum and Actinomyces (Corynebacterium) pyogenes, improved feed efficiency, increased rate of weight gain, for increased carcass leanness, and for suppression of estrus (heat).

Limitations: Feed continuously as sole ration during the last 28 to 42 days on feed. Not for animals intended for breeding.

A tolerance of 0.10 part per million (ppm) in cattle liver, 0.05 ppm in muscle, kidney, and fate.

A tolerance of 0.05 ppm in goats edible tissue.

A tolerance for residue of monensin in chickens, turkeys and quail is not needed.

A tolerance for residues of monensin in milk is not needed.

The tolerance for ractopamine hydrochloride (the marker residue) in swine is 0.15 part per million) in liver (target tissue).

The tolerance for ractopamine hydrochloride (the marker residue) in cattle is 0.03 part per million in muscle and 0.09 part per million in liver.

The tolerance for ractopamine hydrochloride (the marker residue) in turkeys is 0.45 ppm in liver(target tissue) and 0.1 ppm in muscle.

Tolerances are established for residues of tylosin in edible products of animals as follows:

a. Chickens and turkeys: 0.2 part per million (negligible residue) in uncooked fat, muscle, liver, and kidney.

b. Cattle: 0.2 part per million (negligible residue) in uncooked fat, muscle, liver, and kidney.

c. Swine: 0.2 part per million (negligible residue) in uncooked fat, muscle, liver, and kidney.

d. Milk: 0.05 part per million (negligible residue).

e. Eggs: 0.2 part per million (negligible residue).

A tolerance of 25 parts per billion is established for residues of the parent compound, melengestrol acetate, in fat, of cattle.