Zactran — Some Hope for Foot Rot in Sheep JD Bobb

Foot Rot has been one of the most frustrating and stubborn diseases in the sheep industry.  Many good flocks of sheep and producers have gone by the wayside in attempts to clean up their flocks.  We had a good vaccine until about 5 years ago and have not been able to reestablish that product in the market.  Producers overseas in Europe and other countries have had very good success with the drug Gamithromycin.  It has not been available in the United States until about a year ago.  The drug is sold under the name of Zactran and is not approved for use in sheep.

There is very strong research done overseas that supports the effectiveness and safety of using this product in sheep for eradicating Foot Rot from flocks.  I would suggest you work closely with your Veterinarian due to the unapproved  label for sheep use.  One Danish study showed that in 44 out of 48 flocks that the treatment was effective.  The German’s have used a protocol were every animal was treated and 23 days later any animal showing any signs was retreated and have demonstrated that the flock is Foot Rot free using PCR testing.

The program should include foot trimming, a clean dry environment (concrete is best), removal of chronic animals from the flock.

Dosage, 2cc ewe lambs, 4cc ewes, 5cc rams, slaughter withdrawal 35 days in cattle.

About Ask-a-Vet Sheep

Veterinary services, procedures, biologicals, and drugs mentioned in this publication represent the personal opinions and clinical observations of the contributing author. They are in no way intended to be interpreted as recommendations without the consent of the producer’s own practicing Veterinarian. We strongly urge that producers establish a patient-client-veterinarian relationship that allows extra-label use when there are no drugs approved for treatment or if approved drugs are not effective. This procedure allows veterinarians to go beyond label directions when “prudent use” is necessary. The limited availability of drugs and biologics in this country is a major factor in restricting the growth of the sheep industry and allowing producers to compete in the world market place.
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