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Code · CFR · Title 21 — Food and Drugs · Part 558 — New Animal Drugs for Use in Animal Feeds · § 558.325

§ 558.325. Lincomycin.

2,209 words·~10 min read·/us/cfr/t21/s§ 558.325·

A research copy — for the controlling text, always check the official state or federal source. Not legal advice.

(a)Specifications. Type A medicated articles containing 20 or 50 grams of lincomycin (as lincomycin hydrochloride agricultural grade) per pound.
(b)Sponsor. See No. 066104 in § 510.600(c) of this chapter.
(c)Related tolerances. See § 556.360 of this chapter.
(d)Special considerations.
(1)Federal law restricts medicated feed containing this veterinary feed directive
(VFD)drug to use by or on the order of a licensed veterinarian. See § 558.6 for additional requirements.
(2)The expiration date of VFDs for lincomycin medicated feeds must not exceed 6 months from the date of issuance. VFDs for lincomycin shall not be refilled.
(3)Labeling of Type A medicated articles and Type B and Type C medicated feeds containing lincomycin shall bear the following:
(i)“Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects.”
(ii)[Reserved]
(4)Labeling of medicated feeds containing lincomycin intended for use in swine shall bear the following:
(i)“Occasionally, swine fed lincomycin may within the first 2 days after the onset of treatment develop diarrhea and/or swelling of the anus. On rare occasions, some pigs may show reddening of the skin and irritable behavior. These conditions have been self-correcting within 5 to 8 days without discontinuing the lincomycin treatment.”
(ii)“The effects of lincomycin on swine reproductive performance, pregnancy, and lactation have not been determined.”
(e)Conditions of use—(1) Chickens— Lincomycin grams/ton Combination in grams/ton Indications for use Limitations Sponsors
(i)2Broiler chickens: For the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycinFeed as the sole ration. Not for use in laying hens, breeder chickens, or turkeys066104
(ii)[Reserved]
(iii)2Clopidol, 113.5Broiler chickens: As an aid in the prevention of coccidiosis caused by Eimeria tenella, E. necatrix, E. acervulina, E. maxima, E. brunetti, and E. mivati, and for the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycinFeed as the sole ration to broiler chickens. Do not feed to chickens over 16 weeks of age. Not for use in laying hens, breeder chickens, or turkeys. Consult a veterinarian or poultry pathologist if losses exceed 0.5% in a two-day period. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Clopidol as provided by No. 016592 in § 510.600 of this chapter066104
(iv)2Decoquinate, 27.2Broiler chickens: For the prevention of coccidiosis caused by Eimeria tenella, E. necatrix, E. acervulina, E. mivati, E. maxima, and E. brunetti, and for the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycinFeed as the sole ration. Do not feed to chickens producing eggs for human consumption. Do not use in feeds containing bentonite. Not for use in laying hens, breeding chickens, or turkeys. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Decoquinate as provided by No. 066104 in § 510.600 of this chapter066104
(v)2Halofuginone 2.72Broiler chickens: For the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycin; and the prevention of coccidiosis caused by Eimeria tenella, E. necatrix, E. acervulina, E. brunetti, E. mivati, and E. maximaFeed continuously as sole ration. Withdraw 4 days before slaughter. Do not feed to laying chickens or waterfowl. Halofuginone hydrobromide as provided by No. 016592 in § 510.600 of this chapter016592
(vi)2Lasalocid, 68 to 113Broiler chickens: For the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycin, and for the prevention of coccidiosis caused by Eimeria tenella, E. necatrix, E. acervulina, E. brunetti, E. mivati, and E maximaFeed as the sole ration. Type C feed must be used within 4 weeks of manufacture. Not for use in laying hens, breeding chickens, or turkeys. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Lasalocid as provided by No. 054771 in § 510.600 of this chapter054771
(vii)2Monensin, 90 to 110Broiler chickens: As an aid in the prevention of coccidiosis caused by Eimeria necatrix, E. tenella, E. acervulina, E. brunetti, E. mivati, and E. maxima, and for the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycin in broiler chickens up to 16 weeks of ageFeed as the sole ration. Do not feed to chickens producing eggs for human consumption. Do not feed to chickens over 16 weeks of age. Not for use in laying hens, breeding chickens, or turkeys. Do not allow horses, other equines, mature turkeys, or guinea fowl access to feed containing monensin. Ingestion of monensin by horses and guinea fowl has been fatal. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Not for broiler breeder replacement chickens. In the absence of coccidiosis in broiler chickens, the use of monensin with no withdrawal period may limit feed intake, resulting in reduced weight gain. Do not use this medicated feed after 90 days from the date of manufacture. Monensin as provided by No. 058198 in § 510.600 of this chapter066104
(viii)2Robenidine hydrochloride, 30Broiler chickens: For the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycin, and as an aid in the prevention of coccidiosis caused by Eimeria mivati, E. brunetti, E. tenella, E. acervulina, E. maxima, and E. necatrixFeed as the sole ration. Do not use in feeds containing bentonite. Do not feed to laying hens producing eggs for human consumption. Not for use in laying hens, breeding chickens, or turkeys. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Withdraw 5 days prior to slaughter. Type C feed containing robenidine hydrochloride must be fed within 50 days from the date of manufacture. Robenidine hydrochloride as provided by No. 054771 in § 510.600 of this chapter054771
(ix)2Salinomycin sodium activity, 40 to 60Broiler chickens: For the prevention of coccidiosis caused by Eimeria tenella, E. necatrix, E. acervulina, E maxima, E. brunetti, and E. mivati, and for the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycinFeed as the sole ration to broiler chickens. Do not feed to chickens producing eggs for human consumption. Not for use in laying hens, breeding chickens, or turkeys. May be fatal if accidentally fed to adult turkeys or horses. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Do not use in Type C medicated feeds containing pellet binders. Salinomycin sodium activity as provided by No. 016592 in § 510.600 of this chapter066104
(x)2Zoalene, 113.5Broiler chickens: For prevention and control of coccidiosis and for the control of necrotic enteritis caused or complicated by Clostridium spp. or other organisms susceptible to lincomycin in broiler chickensFeed as the sole ration from the time chicks are placed in floor pens until slaughtered for meat. Not for use in laying hens, breeding chickens, or turkeys. Consult a veterinarian or poultry pathologist if losses exceed 0.5% in a two-day period. Do not allow rabbits, hamsters, guinea pigs, horses, or ruminants access to feeds containing lincomycin. Ingestion by these species may result in severe gastrointestinal effects. Zoalene as provided by No. 066104 in § 510.600 of this chapter066104
(2)Swine— Lincomycin grams/ton Combination in grams/ton Indications for use Limitations Sponsors
(i)40For the control of swine dysentery and the control of porcine proliferative enteropathies (ileitis) caused by Lawsonia intracellularisFeed as sole ration. For use in swine on premises with a history of swine dysentery but where symptoms have not yet occurred, or following use of lincomycin at 100 grams (g)/ton for the treatment of swine dysentery and the control of porcine proliferative enteropathies (ileitis)066104
(ii)[Reserved]
(iii)40Pyrantel, 96For control of swine dysentery on premises with a history of swine dysentery, but where symptoms have not yet occurred; as an aid in the prevention of migration and establishment of large roundworm (Ascaris suum) infections; and as an aid in the prevention of establishment of nodular worm (Oesophagostomum spp.) infectionsFeed as the sole ration. Not to be fed to swine that weigh more than 250 pounds. Withdraw 6 days prior to slaughter. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(iv)40Pyrantel, 96For the treatment and/or control of swine dysentery; for removal and control of large roundworm (Ascaris suum) infectionsFeed for 3 days as the sole ration. Not to be fed to swine that weigh more than 250 pounds. Withdraw 24 hours prior to slaughter. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(v)40 or 100Pyrantel, 96For the treatment and/or control of swine dysentery; as an aid in the prevention of migration and establishment of large roundworm (Ascaris suum) infections; and as an aid in the prevention of establishment of nodular worm (Oesophagostomum spp.) infectionsFor treatment of swine dysentery, feed 100 grams of lincomycin and 96 grams of pyrantel tartrate per ton of complete feed for 3 weeks or until clinical signs of the disease disappear, following with 40 grams of lincomycin and 96 grams of pyrantel tartrate per ton of complete feed as the sole ration. Not to be fed to swine that weigh more than 250 pounds. Withdraw 6 days prior to slaughter. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(vi)40Pyrantel, 800For the treatment and/or control of swine dysentery; for removal and control of large roundworm (Ascaris suum) and nodular worm (Oesophagostomum spp.) infectionsFeed as a single therapeutic treatment at a rate of 1 lb of feed per 40 lb of body weight for animals up to 200 lb and 5 lb of feed per head for animals over 200 lb. Not to be fed to swine that weigh more than 250 pounds. Withdraw 24 hours prior to slaughter. See paragraph
(d)of this section. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(vii)100For the treatment of swine dysentery and the control of porcine proliferative enteropathies (ileitis) caused by Lawsonia intracellularisFeed as a sole ration for 3 weeks or until signs of disease (watery, mucoid, or bloody stools) disappear066104
(viii)[Reserved]
(ix)100Pyrantel, 96For the treatment of swine dysentery; as an aid in the prevention of migration and establishment of large roundworm (Ascaris suum) infections; and as an aid in the prevention of establishment of nodular worm (Oesophagostomum spp.) infectionsFeed as the sole ration for 3 weeks or until clinical signs of the disease disappear. Not to be fed to swine that weigh more than 250 pounds. Withdraw 6 days prior to slaughter. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(x)100Pyrantel, 96For the treatment and/or control of swine dysentery; for removal and control of large roundworm (Ascaris suum) infectionsFeed for 3 days as the sole ration. Not to be fed to swine that weigh more than 250 pounds. Withdraw 24 hours prior to slaughter. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(xi)100Pyrantel, 800For the treatment and/or control of swine dysentery; for removal and control of large roundworm (Ascaris suum) and nodular worm (Oesophagostomum spp.) infectionsFeed as a single therapeutic treatment. Not to be fed to swine that weigh more than 250 pounds. Withdraw 24 hours prior to slaughter. Lincomycin as provided by No. 054771; pyrantel as provided by No. 066104 in § 510.600(c) of this chapter066104
(xii)100 to 200For reduction in the severity of the effects of respiratory disease associated with Mycoplasma hyopneumoniaeFeed as sole ration for 21 days066104
(xiii)[Reserved]
(xiv)200Pyrantel tartrate, 96For reduction in the severity of the effects of respiratory disease associated with Mycoplasma hyopneumoniae; to aid in the prevention of migration and establishment of large roundworm (Ascaris suum) infections; and to aid in the prevention of establishment of nodular worm (Oesophagostomum spp.) infections in swineFeed as the sole ration for 21 days. Not for use in swine that weigh more than 250 pounds. Withdraw 6 days before slaughter. Lincomycin as provided by No. 066104; pyrantel tartrate as provided by No. 066104 in § 510.600(c) of this chapter066104 [81 FR 95005, Dec. 27, 2016, as amended at 82 FR 12170, Mar. 1, 2017; 82 FR 21691, May 10, 2017; 83 FR 13637, Mar. 30, 2018; 83 FR 14588, Apr. 5, 2018; 83 FR 48947, Sept. 28, 2018; 83 FR 64741, Dec. 18, 2018; 84 FR 8976, Mar. 13, 2019; 84 FR 12501, Apr. 2, 2019; 84 FR 39185, Aug. 9, 2019; 86 FR 14824, Mar. 19, 2021; 88 FR 55570, Aug. 16, 2023; 91 FR 20344, Apr. 16, 2026]
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§ 558.325
Lincomycin.
Fed. Reg.×3
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