Complete Up To Date Information about Ivomec Sustained-Release Bolus for Cattle.
NADA Number: 140-988 | |
| Proprietary Name |
Ivomec® Sustained-Release Bolus for Cattle |
|---|---|
| Sponsor |
Merial Ltd. |
| Sponsor Address |
3239 Satellite Blvd. Bldg. 500 Duluth, GA 30096-4640 USA |
| Ingredients |
Ivermectin |
| Species |
Cattle, beef Cattle, calves, 3 months and older Cattle, dairy, not breeding age |
| Routes of Administration |
Per Os |
| Dose Form |
Sustained release bolus |
| Drug Form |
Sustained release bolus |
| Dispensing Status |
OTC |
| Patent Number |
4199569 4327725 4595583 4684524 4692336 4704118 4717568 4717718 4729793 4772474 4844984 4927633 4966767 5000957 5122128 5206024 5223266 5368863 5372776 5417976 5431919 5474785 5607696 |
| Exclusivity |
New drug form for use in cattle with new claim for length of effectiveness. |
| Withdrawal Time |
Cattle: 180 days before slaughter. |
|
Dosage Amount, Indications & Limitations |
520.1197 Ivermectin Sustained-release bolus. Specifications: Each sustained-release bolus contains 1.72 grams of ivermectin. Conditions of use: Cattle (calves, ruminating) Amount: Administer one bolus per calf weighing at least 275 pounds (125 kilograms) and not more than 660 pound (300 kilograms) on the day of administration. Indications: For treatment and control, throughout the grazing season (approximately 130 days), of gastrointestinal roundworms Haemonchus placei, Ostertagia ostertagi (including inhibited fourth-stage larvae), Trichostrongylus axei, T. colubriformis, Cooperia species, Nematodirus helvetianus, Bunostomum phlebotomum, Oesophagostomum radiatum; lungworms Dictyocaulus viviparus; grub Hypoderma species; sucking lice Linognathus vituli, Solenopotes capillatus; mange mites Psoroptes ovis, Sarcoptes scabiei, and ticks Amblyomma americanum. Limitations: The bolus was specifically designed for use in cattle. Do not use in other animal species. Calves must be ruminating and older than 12 weeks of age. Do not administer to calves weighing less than 275 pounds (125 kilograms). Do not administer a damaged bolus. Because a milk withdrawal time has not been established, do not use in female dairy cattle of breeding age. Do not slaughter within 180 days of treatment. Consult your veterinarian for assistance in the diagnosis, treatment, and control of parasitism. |
| Tolerances |
A tolerance is established for 22,23-dihydroavermectin B1a (marker residue) in liver (target tissue) as follows: a. In cattle 100 parts per billion. b. In swine 20 parts per billion. c. In sheep 30 parts per billion. d. In reindeer 15 parts per billion. e. In American bison 15 parts per billion. Muscle residues are not indicative of the safety of other edible tissues. A tolerance is established for 22,23-dihydroavermectin B1a (marker residue) in muscle as follows: a. Swine 20 parts per billion b. Cattle 10 parts per billion |