The Effect of feeding low levels of chlortetracycline for extended periods on the carrier state of anaplasmosis

Authors

  • E. J. Richey College of Veterinary Medicine Oklahoma State University Stillwater, Okla. 74074
  • W. E. Brock College of Veterinary Medicine Oklahoma State University Stillwater, Okla. 74074
  • I. O. Kliewer College of Veterinary Medicine Oklahoma State University Stillwater, Okla. 74074
  • E. W. Jone College of Veterinary Medicine Oklahoma State University Stillwater, Okla. 74074

DOI:

https://doi.org/10.21423/bovine-vol1976no11p73-75

Keywords:

anaplasmoses, bacterial diseases, chlortetracycline, DRUG THERAPY, drugs, parasites, tickborne diseases, tetracyclines, antibiotics

Abstract

Anaplasma marginale carrier infection was eliminated from 10 cattle in the USA by oral chlortetracycline at 0.5 mg/lb body-weight daily for 120 days. The complement fixation test was negative in all the treated animals 180 days after treatment ended and infection was not transmitted by subinoculation into susceptible animals 28 and 180 days later. 180 days after treatment, the treated animals were highly resistant to challenge with an infective dose of A. marginale carrier blood.

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Published

1976-11-01

How to Cite

Richey, E. J., Brock, W. E., Kliewer, I. O., & Jone, E. W. (1976). The Effect of feeding low levels of chlortetracycline for extended periods on the carrier state of anaplasmosis. The Bovine Practitioner, 1976(11), 73–75. https://doi.org/10.21423/bovine-vol1976no11p73-75

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