(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. 000010 in §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.

(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; 84 FR 39183, Aug. 9, 2019]


Tried the LawStack mobile app?

Join thousands and try LawStack mobile for FREE today.

  • Carry the law offline, wherever you go.
  • Download CFR, USC, rules, and state law to your mobile device.