- (a) Specifications. Each milliliter (mL) of solution contains 5 milligrams (mg) doramectin.
- (b) Sponsors. See Nos. 051072, 054771, and 061133 in § 510.600(c) of this chapter.
- (c) Related tolerances. See § 556.222 of this chapter.
- (d) Special considerations. See § 500.25 of this chapter.
- (e) Conditions of use in cattle—(1) Amount. Administer topically 1 mL (5 mg doramectin) per 22 lb (10 kg) of body weight.
- (2) Indications for use. For treatment and control of gastrointestinal roundworms: Ostertagia ostertagi (adults and fourth-stage larvae), Ostertagia ostertagi (inhibited fourth-stage larvae), Ostertagia lyrata
- (adults) , Haemonchus placei (adults and fourth-stage larvae), Trichostrongylus axei (adults and fourth-stage larvae), Trichostrongylus colubriformis (adults and fourth-stage larvae), Cooperia oncophora (adults and fourth-stage larvae), Cooperia punctata (adults and fourth-stage larvae), Cooperia pectinata
- (adults) , Cooperia surnabada
- (adults) , Bunostomum phlebotomum
- (adults) , Oesophagostomum radiatum (adults and fourth-stage larvae), Trichuris spp.
- (adults) ; lungworms: Dictyocaulus viviparus (adults and fourth-stage larvae); eyeworms: Thelazia gulosa
- (adults) , Thelazia skrjabini
- (adults) ; grubs: Hypoderma bovis and Hypoderma lineatum; sucking lice: Linognathus vituli, Haematopinus eurysternus, and Solenopotes capillatus; biting lice: Bovicola (Damalinia) bovis; mange mites: Chorioptes bovis and Sarcoptes scabiei; horn flies: Haematobia irritans; and to control infections and to protect from reinfection with Cooperia oncophora, Dictyocaulus viviparus, Ostertagia ostertagi, and Oesophagostomum radiatum for 28 days; and with Cooperia punctata and Haemonchus placei for 35 days after treatment; and to control infestations and to protect from reinfestation with Linognathus vituli for 42 days and with Bovicola (Damalinia) bovis for 77 days after treatment.
- (3) Limitations. Cattle must not be slaughtered for human consumption within 45 days of treatment. Not for use in female dairy cattle 20 months of age or older. A withdrawal period has not been established for this product in pre-ruminating calves. Do not use in calves to be processed for veal.
[69 FR 48392, Aug. 10, 2004, as amended at 70 FR 43046, July 26, 2005; 79 FR 10967, Feb. 27, 2014; 84 FR 32993, July 11, 2019; 87 FR 10970, Feb. 28, 2022; 88 FR 27700, May 3, 2023; 90 FR 6801, Jan. 21, 2025]