Boehringer Ingelheim Vetmedica, Inc.
3902 Gene Field Road
St. Joseph, Missouri 64506
- Phone 800-325-9167
Cattle producers have more options for effective parasite control with Synanthic® (oxfendazole) suspension dewormer back on the market. Now part of the Boehringer Ingelheim Vetmedica, Inc. family of products, Synanthic is once again available to beef producers. “Synanthic offers beef producers an excellent choice in the benzimidazole dewormer class,” says Mac Devin, Boehringer Ingelheim Vetmedica Professional Services Veterinarian. “It’s important for producers to have choices in classes of parasite control products to reduce resistance issues.”
There are two classes of anthelmintics available in the marketplace: benzimidazole and macrocyclic lactones.
Devin explains that after several exposures to the same class of anthelmintics, surviving parasite populations begin to develop resistance to the class of anthelmintics. “Having more than one class of anthelmintic to use may become really important for some operations if resistance is becoming an issue,” says Devin. “Synanthic is an important and effective option to have back on the market.”
Synanthic is fast, effective and available in a low-dose formulation. Synanthic is readily absorbed in the gastrointestinal tract and goes to work rapidly to reduce parasite populations. In a study, reported in the Synanthic FOI (Freedom of Information), Synanthic was 100 percent ovicidal within 24 hours.1
Devin adds that Synanthic is labeled for control of Ostertagia ostertagi inhibited L4 larvae at a dosing rate of 4.5 mg/kg. He points out that this is an advantage compared to Safe-Guard® (fenbendazole), which is not effective against L4 larvae or inhibited L4 larvae at its recommended dosage of 5 mg/kg.
Ostertagia ostertagi, otherwise known as brown stomach worm, has been shown to have significant impact on weight gain. A stocker weight gain study showed that non-parasitized animals exhibited 77% greater weight gain than parasitized animals due to appetite suppression caused by O. ostertagi.2
Synanthic is available in two presentations: 22.5% and 9.06%. The 22.5% presentation offers a low-dose option at 1 mL/110 lbs and the 9.06% presentation has a 2.5 mL/110 lbs dosage.
For more information on Synanthic, contact your veterinarian or Boehringer Ingelheim Vetmedica, Inc. representative.
Synanthic is a registered trademark of Boehringer Ingelheim Vetmedica, Inc. Safe-Guard is a registered trademark of Intervet/Schering-Plough Animal Health. ©2011 Boehringer Ingelheim Vetmedica, Inc.
1 Guinan JJ et al, Wellcome, Australia—Study IAS 1103-C354. FOI, Summary for Synanthic, NADA 140-854.
2 Fox MT, Gerrelli D, Pitt SR, Jacobs DE, Gill M and Gale DL. Ostertagia ostertagi infection in the calf: effects of a trickle challenge on appetite, digestibility, rate of passage of digesta and liveweight gain. Res Vet Sc, 47:294-298, 1989.
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