520.2220a Sulfadimethoxine oral solution and soluble powder.

Specifications: The oral solution contains 12 percent (3.75 gram per ounce) sulfadimethoxine.

Conditions of use:

Chickens (broilers and replacements)

Amount: 1.875 (0.05 percent) grams per gallon.

Indications: Treatment of disease outbreaks of coccidiosis, fowl cholera, and infectious coryza.

Limitations: Administer for 6 consecutive days. Do not administer to chickens over 16 weeks of age. As sole source of drinking water and sulfonamide medication. As sulfadimethoxine solution or sulfadimethoxine soluble sodium salt. Withdraw 5 days prior to slaughter. Chickens and turkeys that have survived fowl cholera outbreaks should not be kept for replacements or breeders.

Turkeys (meat)

Amount: 0.938 (0.025 percent) grams per gallon.

Indications: Treatment of disease outbreaks of coccidiosis and fowl cholera.

Limitations: Administer for 6 consecutive days. Do not administer to turkeys over 24 weeks of age. As sole source of drinking water and sulfonamide medication. As sulfadimethoxine solution or sulfadimethoxine soluble sodium salt. Withdraw 5 days prior to slaughter. Chickens and turkeys that have survived fowl cholera outbreaks should not be kept for replacements or breeders.

Cattle (dairy calves, dairy heifers, and beef)

Amount: 1.18 to 2.36 (0.031 to 0.062 percent) grams per gallon. Administer 2.5 grams per 100 pounds of body weight for first day, then 1.25 grams per 100 pounds of body weight per day for the next 4 consecutive days. In drinking water or drench. Available as a sulfadimethoxine soluble powder or a 12.5 percent sulfadimethoxine sodium solution (3.75 grams sulfadimethoxine per fluid ounce).

Indications: The oral solution is administered as a cattle drench or diluted as directed to prepare drinking water for treatment of shipping fever complex, bacterial pneumonia, calf diphtheria, and foot rot.

Limitations: If no improvement within 2 to 3 days, reevaluate diagnosis. Do not treat beyond 5 days. Withdraw 7 days before slaughter.

Sulfadimethoxine: Tolerances are established for residues of sulfadimethoxine in edible products of animals as follows: a. Chickens, turkeys, cattle, ducks, salmonids, catfish and chukar partridges: 0.1 part per million (negligible residue) in uncooked edible tissues b. Milk: 0.01 part per million (negligible residue).Tolerances are established for residues of sulfadimethoxine in edible products of animals as follows: a. Chickens, turkeys, cattle, ducks, salmonids, catfish and chukar partridges: 0.1 part per million (negligible residue) in uncooked edible tissues b. Milk: 0.01 part per million (negligible residue).