520.1242b—Levamisole hydrochloride tablet or oblet (bolus).
(b) Specifications.
Assay of not less than 98 percent by nonaqueous titration with 0.1 N potassium isopropoxide; 1 isomer minimum 95 percent pure by optical rotation.
(d) Required labeling.
Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism.
(ii) Indications for use.
Anthelmintic effective against the following nematode infections: Stomach worms (Haemonchus, Trichostrongylus, Ostertagia ), intestinal worms (Trichostrongylus, Cooperia, Nematodirus, Bunostomum, Oesophagostomum ), and lungworms (Dictyocaulus ).
(iii) Limitations.
Administer as a single dose as follows: 250 to 450 pounds, 1/2 oblet; 450 to 750 pounds, 1 oblet; and 750 to 1,050 pounds, 1 1/2 oblets; conditions of constant helminth exposure may require re-treatment within 2 to 4 weeks after the first treatment; do not slaughter for food within 48 hours of treatment; not for use in dairy animals of breeding age; consult veterinarian before using in severely debilitated animals.
(ii) Indications for use.
Anthelmintic effective against the following nematode infections: Stomach worms (Haemonchus, Trichostrongylus, Ostertagia ), intestinal worms (Trichostrongylus, Cooperia, Nematodirus, Bunostomum, Oesophagostomum, Chabertia ), and lungworms (Dictyocaulus ).
(iii) Limitations.
Administer one tablet for each 50 pounds of body weight; conditions of constant helminth exposure may require re-treatment within 2 to 4 weeks after the first treatment; do not slaughter for food within 72 hours of treatment; consult a veterinarian before using in severely debilitated animals.