Botox Injection Instead of Debarking in Dogs
World Small Animal Veterinary Association World Congress Proceedings, 2014
M. Bitaraf1; M.R. Ferdows1; S.J. Aldavod2; S. Nikkhah1; B. Yeganeh1; A. Bahmani3
1Small Animal, Pyatakht Pet Hospital, Tehran, Iran; 2Small Animal Internal Medicine, University of Tehran, Tehran, Iran; 3Laboratory, Pyatakht Pet Hospital, Tehran, Iran

Introduction and Objective

One of the problems in housing dogs in urban areas is barking sounds. Occasionally, veterinarians solve this problem with cutting vocal cords (debarking). But this method has some issues such as irreversible to primary situation, and post operation problems. In addition, this method has not been verified by animal protection groups. Therefore, in this study trying to find safe, reversible and noninvasive methods instead of surgical debarking.


In this study, botulinum type A was used as a nervous paralytic combination. Two different doses of the Clostridium botulinum type A toxins are tested. Injection of 200 units in 4 adult dogs (A group), 250 units in other 4 adult dogs (B group) and NaCl 0.9% for control group (C group) were performed in site of vocal cord muscle duke that is exactly where vocal fold. Then dogs hospitalized and results of injections were evaluated for a month.

Results and Conclusions

Results show that Clostridium botulinum type A toxin causes significant changes to stop barking of dogs (p < 0.05).






59–60 (dB1)

57–63 (dB)

56–61 (dB)

After injection

40–38 (dB)

10–12 (dB)

56–60 (dB)

After 1 month

57–58 (dB)

56–62 (dB)

56–58 (dB)

1 = decibels


Speaker Information
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M. Bitaraf
Small Animal
Pyatakht Pet Hospital
Tehran, Iran

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