(a) Specifications. Conforms to N.F. XII.
(b) Sponsors. See sponsors in Sec. 510.600(c) of this chapter for use as in paragraph (d) of this section.
(1) No. 051311 for use as in paragraph (d)(1)(i) of this section.
(2) No. 050604 for use as in paragraph (d)(1)(ii) of this section.
(3) No. 012286 for use as in paragraph (d)(2) of this section.
(c) Related tolerances. See Sec. 556.730 of this chapter.
(d) Conditions of use. It is used as follows:
(1) Horses--(i) Route of administration. In feed, as a top dressing.
(a) Amount. 2 grams per 100 pounds of body weight.
(b) Indications for use. For control of large strongyles, small strongyles, pinworms, and threadworms (including members of the genera Strongylus, Cyathostomum, Cylicobrachytus, and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides).
(c) Limitations. Add to the usual feed of horses mixed into that amount of the feed normally consumed at one feeding. Warning: Not for use in horses intended for food.
(ii) Route of administration. In feed.
(a) Amount. 2 grams per 100 pounds of body weight.
(1) Indications for use. For control of large and small strongyles, Strongyloides, and pinworms of the genera Strongylus, Cyathostomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum, Oxyuris, and Strongyloides.
(2) Limitations. Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.
(b) Amount. 4 grams per 100 pounds of body weight.
(1) Indications for use. For control of ascarids of the genus Parascaris.
(2) Limitations. Administer in a single dosage mixed with the normal grain ration given at one feeding. Warning: Not for use in horses intended for food.
(2) Cattle--(i) Route of administration. In feed block.
(i) Route of administration. In feed block.
(ii) Amount. 3.3 percent block consumed at the recommended level of 0.11 pound per 100 pounds of body weight per day.
(iii) Indications for use. For control of infections of gastrointestinal roundworms (Trichostrongylus, Haemonchus, Ostertagia and Cooperia).
(iv) Limitations. Administer to cattle on pasture or range accustomed to mineral protein block feeding for 3 days. Milk taken from animals during treatment and within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed by a veterinarian or diagnostic laboratory prior to worming. Animals maintained under conditions of constant worm exposure may require re-treatment within 2 to 3 weeks. Animals that are severely parasitized, sick, or off feed should be isolated and a veterinarian consulted for advice concerning treatment. [40 FR 13838, Mar. 27, 1975, as amended at 41 FR 9149, Mar. 3, 1976; 62 FR 63271, Nov. 28, 1997; 70 FR 32489, June 3, 2005; 73 FR 35340, June 23, 2008; 79 FR 28832, May 20, 2014] Sec. 520.2380b Thiabendazole drench or paste.
(a) Specifications. Conforms to N.F. XII.
(b) Sponsor. See No. 050604 in Sec. 510.600(c) of this chapter.
(c) Related tolerances. See Sec. 556.730 of this chapter.
(d) Conditions of use. It is used as follows:
(1) Horses. As a single liquid oral dose, administered as a drench or by stomach tube; or as an oral paste.
(i) Amount. 2 grams per 100 pounds of body weight.
(a) Indications for use. For the control of infections of large strongyles (Strongylus vulgaris, Strongylus endentatus), small strongyles (Cyathastomum, Cylicobrachytus and related genera, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), and threadworms (Strongyloides).
(b) Limitations. Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, for use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.
(ii) Amount. 4 grams per 100 pounds of body weight.
(a) Indications for use. For control of infections of ascardis (Parascaris).
(b) Limitations. Not for use in horses to be slaughtered for food purposes. When administered by stomach tube, use only by or on the order of a licensed veterinarian. When for use as a liquid oral drench or an oral paste, consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.
(2) Pigs. As an oral paste.
(i) Amount. 200 milligrams for each 5 to 7 pounds of body weight per dose.
(ii) Indications for use. For control of infections with Strongyloides ransomi. These infections are commonly found in Southeastern United States.
(iii) Limitations. Administer to baby pigs (1 to 8 weeks of age). Treatment may be repeated in 5 to 7 days if necessary. Before treatment, obtain an accurate diagnosis from a veterinarian or diagnostic laboratory. Do not treat within 30 days of slaughter.
(3) Cattle. Orally as a drench and in paste form using a dosing gun designed for the product.
(i) Amount. 3 grams per 100 pounds of body weight.
(a) Indications for use. Control of infections of gastrointestinal roundworms (Trichostrongylus spp., Haemonchus spp., Nematodirus spp., Ostertagia spp., and Oesophagostomum radiatum).
(b) Limitations. For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
(ii) Amount. 5 grams per 100 pounds of body weight.
(a) Indications for use. Control of infections of Cooperia spp. or severe infections of other species in paragraph (e)(3)(i)(a) of this section.
(b) Limitations. For most effective results, severely parasitized animals or those constantly exposed to helminth infection should be re-treated every 2 to 3 weeks. Milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food. Do not treat cattle within 3 days of slaughter. For a satisfactory diagnosis, a microscopic fecal examination should be performed prior to worming.
(4) Sheep and goats. Orally, as a drench.
(i) Amount. 2 grams per 100 pounds of body weight.
(ii) Indications for use. Control of infections of gastrointestinal roundworms in sheep and goats. (Trichostrongylus spp., Haemonchus spp., Ostertagia spp., Cooperia spp., Nematodirus spp., Bunostomum spp., Strongyloides spp., Chabertia spp., and Oesophagostomum spp. ); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against Trichostrongylus colubriformis and axei, Ostertagia spp., Bunostomum spp., Nematodirus spp., and Strongyloides spp.; less effective against Haemonchus contortus and Oesophagostomum spp. ).
(iii) Limitations. As a single oral dose; do not treat animals within 30 days of slaughter; milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food; in severe infections in sheep, treatment should be repeated in 2 to 3 weeks.
(5) Goats. Orally, as a drench.
(i) Amount. 3 grams per 100 pounds of body weight.
(ii) Indications for use. Control of severe infections of gastrointestinal roundworms (Trichostrongylus spp., Haemonchus spp., Ostertagia spp., Cooperia spp., Nematodirus spp., Bunostomum spp., Strongyloides spp., Chabertia spp., and Oesophagostomum spp. ).
(iii) Limitations. As a single oral dose; do not treat animals within 30 days of slaughter; milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food; treatment should be repeated in 2 to 3 weeks. [40 FR 13838, Mar. 27, 1975, as amended at 41 FR 9149, Mar. 3, 1976; 41 FR 47424, Oct. 29, 1976; 62 FR 63271, Nov. 28, 1997; 79 FR 28832, May 20, 2014] Sec. 520.2380c Thiabendazole bolus.
(a) Specifications. Conforms to N.F. XII.
(b) Sponsor. See No. 050604 in Sec. 510.600(c) of this chapter.
(c) Related tolerances. See Sec. 556.730 of this chapter.
(d) Conditions of use. It is used as follows:
(1) Cattle. In a bolus.
(i) Amount. 3 grams per 100 pounds of body weight.
(a) Indications for use. Control of infections of gastrointestinal roundworms (general Trichostrongylus spp., Haemonchus spp., Nematodirus spp., Ostertagia spp., and Oesophagostomum radiatum).
(b) Limitations. As a single oral dose; may repeat once in 2 to 3 weeks; do not treat animals within 3 days of slaughter; milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food.
(ii) Amount. 5 grams per 100 pounds of body weight.
(a) Indications for use. Control of severe infections of gastrointestinal roundworms (genera Trichostrongylus spp., Haemonchus spp., Nematodirus spp., Ostertagia spp., and Oesophagostomum radiatum). Control of infections with Cooperia spp.
(b) Limitations. As a single oral dose; as a drench or bolus; may repeat once in 2 to 3 weeks; do not treat animals within 3 days of slaughter; milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food.
(2) Sheep and goats. In a bolus.
(i) Amount. 2 grams per 100 pounds of body weight.
(ii) Indications for use. Control of infections of gastrointestinal roundworms in sheep and goats (general Trichostrongylus spp., Haemonchus spp., Ostertagia spp., Cooperia spp., Nematodirus spp., Bunostomum spp., Strongyloides spp., Chabertia spp., and Oesophagostomum spp. ); also active from 3 hours to 3 days following treatment against ova and larvae passed by sheep (good activity against T. colubriformis and axei, Ostertagia spp., Bunostomum spp., Nematodirus spp., and Strongyloides spp.; less effective against Haemonchus contortus and Oesophagostomum spp. ).
(iii) Limitations. As a single oral dose; do not treat animals within 30 days of slaughter; milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food; in severe infections in sheep, treatment should be repeated in 2 to 3 weeks.
(3) Goats. In a bolus.
(i) Amount. 3 grams per 100 pounds of body weight.
(ii) Indications for use. Control of severe infections of gastrointestinal roundworms (genera Trichostrongylus spp., Haemonchus spp., Ostertagia spp., Cooperia spp., Nematodirus spp., Bunostomum spp., Strongyloides spp., Chabertia spp., and Oesophagostomum spp. ).
(iii) Limitations. As a single oral dose; do not treat animals within 30 days of slaughter; milk taken from treated animals within 96 hours (8 milkings) after the latest treatment must not be used for food; treatment should be repeated in 2 to 3 weeks. [40 FR 13838, Mar. 27, 1975, as amended at 41 FR 9149, Mar. 3, 1976; 62 FR 63271, Nov. 28, 1997; 79 FR 28832, May 20, 2014] Sec. 520.2380d Thiabendazole and piperazine citrate.
(a) Specifications. Each fluid ounce of suspension contains 2 grams of thiabendazole and 2.5 grams of piperazine (from piperazine citrate).
(b) Sponsor. See No. 050604 in Sec. 510.600(c) of this chapter.
(c) Conditions of use in horses--(1) Amount. Administer 1 ounce of suspension per 100 pounds of body weight by stomach tube or as a drench.
(1) Amount. Administer 1 ounce of suspension per 100 pounds of body weight by stomach tube or as a drench.
(2) Indications for use. For the control of large strongyles, small strongyles, pinworms, Strongyloides and ascarids (including members of the genera Strongylus spp., Cyathostomum spp., Cylicobrachytus spp. and related genera Craterostomum spp., Oesophagodontus spp., Poteriostomum spp., Oxyuris spp., Strongyloides spp., and Parascaris spp.).
(3) Limitations. Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian. [40 FR 13838, Mar. 27, 1975, as amended at 62 FR 63271, Nov. 28, 1997; 79 FR 28832, May 20, 2014] Sec. 520.2380e Thiabendazole and triclorfon.
(a) Specifications. The drug contains 5 grams of thiabendazole with 4.5 grams of trichlorfon, or 20 grams of thiabendazole with 18 grams of trichlorfon.
(b) Sponsor. See No. 017135 in Sec. 510.600(c) of this chapter.
(c) Conditions of use in horses--(1) Amount. Administer 2 grams of thiabendazole with 1.8 grams of trichlorfon per 100 pounds of body weight sprinkled on the animals' usual daily ration of feed, or may be mixed in 5 to 10 fluid ounces of water and administered by stomach tube or drench.
(1) Amount. Administer 2 grams of thiabendazole with 1.8 grams of trichlorfon per 100 pounds of body weight sprinkled on the animals' usual daily ration of feed, or may be mixed in 5 to 10 fluid ounces of water and administered by stomach tube or drench.
(2) Indications for use. For the treatment and control of bots (Gasterophilus spp.), large strongyles (Strongylus spp.), small strongyles (genera Cyathostomum, Cylicobrachytus, Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris spp., Strongyloides spp.), and ascarids (Parascaris spp.).
(3) Limitations. Do not use in horses intended for human consumption. Federal law restricts this drug to use by or on the order of a licensed veterinarian. [40 FR 23071, May 28, 1975, as amended at 48 FR 48229, Oct. 18, 1983; 79 FR 28832, May 20, 2014] Sec. 520.2380f Thiabendazole and piperazine phosphate.
(a) Specifications. Each ounce of water dispersible powder contains 6.67 grams of thiabendazole and 8.33 grams of piperazine (as piperazine phosphate).
(b) Sponsor. See No. 050604 in Sec. 510.600(c) of this chapter.
(c) Conditions of use in horses--(1) Amount. 2 grams of thiabendazole and 2.5 grams of piperazine (0.3 ounce of powder) per 100 pounds of body weight. Use a single oral dose. Administer as a drench or by stomach tube suspended in 1 pint of warm water; by dose syringe suspended in \1/2\ ounce of water for each 100 pounds of body weight; or sprinkled over a small amount of daily feed.
(1) Amount. 2 grams of thiabendazole and 2.5 grams of piperazine (0.3 ounce of powder) per 100 pounds of body weight. Use a single oral dose. Administer as a drench or by stomach tube suspended in 1 pint of warm water; by dose syringe suspended in \1/2\ ounce of water for each 100 pounds of body weight; or sprinkled over a small amount of daily feed.
(2) Indications for use. Treatment of infections of large strongyles (genus Strongylus), small strongyles (genera Cyathostomum, Cylicobrachytus, and related genera Craterostomum, Oesophagodontus, Poteriostomum), pinworms (Oxyuris), threadworms (Strongyloides), and ascarids (Parascaris) in horses.
(3) Limitations. Do not use in horses intended for human consumption. If the label bears directions for administration by stomach tube or drench, it shall also bear the statement ``Caution: Federal law restricts this drug to use by or on the order of a licensed veterinarian.''; if not labeled for use by stomach tube or drench, the label shall bear the statement, ``Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.'' [46 FR 18963, Mar. 27, 1981, as amended at 46 FR 52330, Oct. 27, 1981; 62 FR 63271, Nov. 28, 1997; 79 FR 28832, May 20, 2014]