CFR > Title 21 - Food and Drugs > CHAPTER I—FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER E—ANIMAL DRUGS, FEEDS, AND RELATED PRODUCTS (parts 500 to 590) > PART 558—NEW ANIMAL DRUGS FOR USE IN ANIMAL FEEDS > SUBPART B—Specific New Animal Drugs for Use in Animal Feeds (§558.55 to §558.680) > 558.450—Oxytetracycline.

558.450—Oxytetracycline.

(a) Approvals. Type A medicated articles:
(1) 10, 20, 30, 50, 100, and 200 grams per pound to No. 066104 in § 510.600(c) of this chapter.
(2) 50, 100, and 200 grams per pound to No. 048164 in § 510.600(c) of this chapter.
(b) Special considerations. (1) In accordance with § 558.5 labeling shall bear the statement: “FOR USE IN DRY ANIMAL FEED ONLY. NOT FOR USE IN LIQUID FEED SUPPLEMENTS.”
(2) The articles in paragraph (a)(1) of this section contain an amount of mono-alkyl (C8 -C18) trimethylammonium oxytetracycline expressed in terms of an equivalent amount of oxytetracycline hydrochloride or an amount of oxytetracycline dihydrate base expressed in terms of an equivalent amount of oxytetracycline hydrochloride.
(3) 50-, 100-, and 200-gram per pound articles in paragraph (a)(2) of this section contain oxytetracycline dihydrate expressed in terms of an equivalent amount of oxytetracycline hydrochloride. Another 100-gram per pound article in paragraph (a)(2) of this section contains oxytetracycline hydrochloride.
(c) Related tolerances. See § 556.500 of this chapter.
(d) Conditions of use— (1) Chickens—
Oxytetracycline amount Indications for use Limitations Sponsor
(i) 10 to 50 grams per ton (g/ton) Chickens: For increased rate of weight gain and improved feed efficiency. Feed continuously; do not feed to chickens producing eggs for human consumption. 066104,048164
(ii) 100 to 200 g/ton Chickens: For control of infectious synovitis caused by Mycoplasma synoviae and control of fowl cholera caused by Pasteurella multocida susceptible to oxytetracycline. Feed continuously for 7 to 14 days (d); do not feed to chickens producing eggs for human consumption; in low calcium feeds, withdraw 3 d before slaughter. 066104,048164
(iii) 400 g/ton Chickens: For control of chronic respiratory disease (CRD) and air sac infection caused by Mycoplasma gallisepticum and Escherichia coli susceptible to oxytetracycline. Feed continuously for 7 to 14 d; do not feed to chickens producing eggs for human consumption; in low calcium feeds, withdraw 3 d before slaughter. 066104,048164
(iv) 500 g/ton Chickens: For reduction of mortality due to air sacculitis (air sac infection) caused by E. coli susceptible to oxytetracycline. Feed continuously for 5 d; do not feed to chickens producing eggs for human consumption; withdraw 24 hours before slaughter; in low calcium feeds, withdraw 3 d before slaughter. 066104,048164
(2) Turkeys—
Oxytetracycline amount Indications for use Limitations Sponsor
(i) 10 to 50 g/ton Growing turkeys: For increased rate of weight gain and improved feed efficiency. Feed continuously; do not feed to turkeys producing eggs for human consumption. 066104,048164
(ii) 100 g/ton Turkeys: For control of hexamitiasis caused by Hexamita meleagridis susceptible to oxytetracycline. Feed continuously for 7 to 14 d; do not feed to turkeys producing eggs for human consumption. 066104,048164
(iii) 200 g/ton Turkeys: For control of infectious synovitis caused by M. synoviae susceptible to oxytetracycline. Feed continuously for 7 to 14 d; for No. 066104 withdraw 5 d before slaughter; for No. 048164 zero-day withdrawal time; do not feed to turkeys producing eggs for human consumption. 066104,048164
Code of Federal Regulations 481
(iv) 25 milligrams/pound (mg/lb) of body weight daily Turkeys: For control of complicating bacterial organisms associated with bluecomb (transmissible enteritis; coronaviral enteritis) susceptible to oxytetracycline. Feed continuously for 7 to 14 d; for No. 066104 withdraw 5 d before slaughter; for No. 048164 zero-day withdrawal time; do not feed to turkeys producing eggs for human consumption. 066104,048164
(3) Swine—
Oxytetracycline amount Indications for use Limitations Sponsor
(i) 10 to 50 g/ton Swine: For increased rate of weight gain and improved feed efficiency. Feed continuously. 066104,048164
(ii) 10 mg/lb of body weight daily 1. Swine: For treatment of bacterial enteritis caused by E. coli and Salmonella choleraesuis susceptible to oxytetracycline and treatment of bacterial pneumonia caused by P. multocida susceptible to oxytetracycline. Feed continuously for 7 to 14 d. 066104,048164
2. Breeding swine: For control and treatment of leptospirosis (reducing the incidence of abortion and shedding of leptospirae) caused by Leptospira pomona susceptible to oxytetracycline. Feed continuously for 14 d. 066104,048164
(4) Cattle—
Oxytetracycline amount Indications for use Limitations Sponsor
(i) 0.05 to 0.1 mg/lb of body weight daily Calves (up to 250 lb): For increased rate of weight gain and improved feed efficiency. Feed continuously in milk replacer or starter feed. 066104,048164
(ii) 10 mg/lb of body weight daily 1. Calves and beef and nonlactating dairy cattle: For treatment of bacterial enteritis caused by E. coli and bacterial pneumonia (shipping fever complex) caused by P. multocida susceptible to oxytetracycline. Feed continuously for 7 to 14 d; for No. 048164, withdraw 5 d before slaughter; for No. 066104, zero-day withdrawal time. 066104,048164
2. Calves: For treatment of bacterial enteritis caused by E. coli susceptible to oxytetracycline. Feed continuously for 7 to 14 d in milk replacer or starter feed; for No. 048164, withdraw 5 d before slaughter; for No. 066104, zero-day withdrawal time. 066104,048164
Code of Federal Regulations 482
(iii) 25 mg/head/day Calves (250 to 400 lb): For increased rate of weight gain and improved feed efficiency. Feed continuously. 066104,048164
(iv) 75 mg/head/day Growing cattle (over 400 lb): For increased rate of weight gain, improved feed efficiency, and reduction of liver condemnation due to liver abscesses. Feed continuously. 066104,048164
(v) 0.5 to 2.0 g/head/day Cattle: For prevention and treatment of the early stages of shipping fever complex. Feed 3 to 5 d before and after arrival in feedlots. 066104,048164
(5) Minor species—
Oxytetracycline amount Indications for use Limitations Sponsor
(i) 10 to 20 g/ton Sheep: For increased rate of weight gain and improved feed efficiency. Feed continuously. 066104,048164
(ii) 10 mg/lb of body weight daily Sheep: For treatment of bacterial enteritis caused by E. coli and bacterial pneumonia caused by P. multocida susceptible to oxytetracycline. Feed continuously for 7 to 14 d; withdraw 5 d before slaughter. 066104,048164
(iii) 200 mg/colony Honey bees: For control of American foulbrood caused by Paenibacillus larvae and European foulbrood caused by Streptococcus pluton susceptible to oxytetracycline. Remove at least 6 weeks prior to main honey flow. 066104,048164
(iv) 250 mg/kilogram of fish/day (11.35 g/100 lb of fish/day) Pacific salmon: For marking of skeletal tissue. For salmon not over 30 g body weight; administer as sole ration for 4 consecutive days; fish not to be liberated for at least 7 d following the last administration of medicated feed. 066104
(v) 2.5 to 3.75 g/100 lb of fish/day 1. Salmonids: For control of ulcer disease caused by Hemophilus piscium, furunculosis caused by Aeromonas salmonicida, bacterial hemorrhagic septicemia caused by A. liquefaciens, and pseudomonas disease. Administer in mixed ration for 10 d; do not liberate fish or slaughter fish for food for 21 d following the last administration of medicated feed. 066104
Code of Federal Regulations 483
2. Catfish: For control of bacterial hemorrhagic septicemia caused by A. liquefaciens and pseudomonas disease. Administer in mixed ration for 10 d; do not liberate fish or slaughter fish for food for 21 d following the last administration of medicated feed; do not administer when water temperature is below 16.7 °C (62 °F). 066104
(vi) 3.75 g/100 lb of fish/day 1. Freshwater-reared salmonids: For control of mortality due to coldwater disease associated with Flavobacterium psychrophilum. Administer in mixed ration for 10 d; do not liberate fish or slaughter fish for food for 21 d following the last administration of medicated feed. 066104
2. Freshwater-reared Oncorhynchus mykiss: For control of mortality due to columnaris disease associated with Flavobacterium columnare. Administer in mixed ration for 10 d; do not liberate fish or slaughter fish for food for 21 d following the last administration of medicated feed. 066104
(vii) 1 g/lb of medicated feed Lobsters: For control of gaffkemia caused by Aerococcus viridans. Administer as sole ration for 5 consecutive days; withdraw medicated feed 30 d before harvesting lobsters. 066104
(6) Oxytetracycline may be used in accordance with the provisions of this section in the combinations as follows:
(i) Carbadox as in § 558.115.
(ii) Lasalocid as in § 558.311.
(iii) Melengestrol acetate as in § 558.342.
(iv) Robenidine hydrochloride as in § 558.515.
(v) Salinomycin as in § 558.550.

Code of Federal Regulations

[61 FR 51590, Oct. 3, 1996, as amended at 63 FR 41192, Aug. 3, 1998; 66 FR 32740, June 18, 2001; 66 FR 45167, Aug. 28, 2001; 66 FR 47963, Sept. 17, 2001; 67 FR 51081, Aug. 7, 2002; 69 FR 28821, May 19, 2004; 69 FR 51173, Aug. 18, 2004; 69 FR 62407, Oct. 26, 2004; 71 FR 27958, May 15, 2006; 71 FR 44887, Aug. 8, 2006; 71 FR 53006, Sept. 8, 2006; 72 FR 70774, Dec. 13, 2007; 73 FR 45875, Aug. 7, 2008]