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 Caused by a bacteria that can affect all mammals including humans. In the goat industry is is called the "Circling Disease" because affected animals commonly walk compulsively in a circle. The bacteria are found in the  environment, especially in rotting vegetation such as  poorly prepared silage. The infection is normally cause by the goat ingesting the organism through environmental or fecal contamination of their feed. The disease is most common during the cool weather. Though the bacteria is easily killed by common disinfectants, it can survive in feces, silage, and tissue for 5 or more years.

The disease is most common in adult goats. The source of infection in herds can be when mammals and birds feces spread the bacteria in the soil or on feed areas..

Signs and Symptoms

Early signs are:

There are two forms seen:


Required detection early in the course of the disease. Large doses of antibiotics such as penicillin and tetracycline are generally given along with fluids, electrolytes

Administer penicillin and tetracycline orally at 25 mg/kg for 1 week or 11.5 mg/lb per day for 3 consecutive days. In the encephalic forms, intravenous sodium penicillin at a dosage of 40,000 IU/kg or 18,000 IU mg/lb every 6 hours until signs are improved, followed by administration of procaine penicillin at a dosage of 20,000 IU/kg body weight twice a day for 3 days.

Administer intravenously 1-2 mg/kg or 0.05 mg/lb mg/kg or dexamethasone is recommended to treat inflammation in the brain. Intravenous fluid and electrolyte therapy and supplemental feeding are also recommended.

This treatment comes from

Maria Lenira Leite-Browning, DVM, Extension Animal Scientist, Alabama A&M University