§ 520.2520b Trichlorfon boluses.
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Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
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Specifications.(a) Each bolus contains either 7.3, 10.9, 14.6, or 18.2 g of trichlorfon.
Sponsor.(b) See No. 054771 in § 510.600(c) of this chapter.
Conditions of use in horsesAmount.(c) —(1) 18.2 milligrams per pound of body weight, except for strongyles use 36.4 milligrams per pound of body weight.
Indications for use.Gastrophilus nasalis, Gastrophilus intestinalisStrongylus vulgarisParascaris equorumOxyuris equi(2) For horses for removal of bots (), large strongyles (), small strongyles, large roundworms (ascarids, ), and pinworms ().
Limitations.(3) 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.
[45 FR 48127, July 18, 1980. Redesignated and amended at 79 FR 28833, May 20, 2014]
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