Federal regulations · Through 2026-08-25 · Newer source version available

21 CFR 520.38b: b Albendazole paste.

(a) Specifications. The product contains 30 percent albendazole.
(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.
(c) Related tolerances. See § 556.34 of this chapter.
(d) Conditions of use in cattle—(1) Amount. Equivalent to 4.54 milligrams per 1 pound of body weight (10 milligrams per kilogram).
(2) Indications for use. For removal and control of the following internal parasites of cattle: adult liver flukes (Fasciola hepatica); heads and segments of tapeworms (Moniezia benedeni, M. expansa); adult and 4th stage larvae of stomach worms (brown stomach worms including 4th stage inhibited larvae (Ostertagia ostertagi); barberpole worm (Haemonchus contortus, H. placei); small stomach worm (Trichostrongylus axei)); adult and 4th stages larvae of intestinal worms (thread-necked intestinal worm (Nematodirus spathiger, N. helvetianus); small intestinal worm (Cooperia punctata and C. oncophora)); adult stages of intestinal worms (hookworm (Bunostomum phlebotmum); bankrupt worm (Trichostrongylus colubriformis), nodular worm (Oesophagostomum radiatum)); adult and 4th stage larvae of lungworms (Dictyocaulus viviparus).
(3) Limitations. Administer as a single oral dose. Do not slaughter within 27 days of last treatment. Do not use in female dairy cattle of breeding age. Do not administer to female cattle during first 45 days of pregnancy or for 45 days after removal of bulls. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Where this section sits in the code

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
PART 520—ORAL DOSAGE FORM NEW ANIMAL DRUGS

(a) Specifications. The product contains 30 percent albendazole.

(b) Sponsor. See No. 054771 in § 510.600(c) of this chapter.

(d) Conditions of use in cattle—(1) Amount. Equivalent to 4.54 milligrams per 1 pound of body weight (10 milligrams per kilogram).

(2) Indications for use. For removal and control of the following internal parasites of cattle: adult liver flukes (Fasciola hepatica); heads and segments of tapeworms (Moniezia benedeni, M. expansa); adult and 4th stage larvae of stomach worms (brown stomach worms including 4th stage inhibited larvae (Ostertagia ostertagi); barberpole worm (Haemonchus contortus, H. placei); small stomach worm (Trichostrongylus axei)); adult and 4th stages larvae of intestinal worms (thread-necked intestinal worm (Nematodirus spathiger, N. helvetianus); small intestinal worm (Cooperia punctata and C. oncophora)); adult stages of intestinal worms (hookworm (Bunostomum phlebotmum); bankrupt worm (Trichostrongylus colubriformis), nodular worm (Oesophagostomum radiatum)); adult and 4th stage larvae of lungworms (Dictyocaulus viviparus).

(3) Limitations. Administer as a single oral dose. Do not slaughter within 27 days of last treatment. Do not use in female dairy cattle of breeding age. Do not administer to female cattle during first 45 days of pregnancy or for 45 days after removal of bulls. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.

Collected 2026-08-27T02:24:47Z. Source file · JSON

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