Anesthesia and Analgesia for Donkeys and Mules

نویسنده

  • Nora S. Matthews
چکیده

Preoperative evaluation In order to get an accurate preoperative evaluation on a donkey or mule, it is important to recognize some of the differences, from horses, which may impact anesthetic management. Only a few of these differences will be discussed, but hopefully, they will serve as a constant reminder that the anesthetist must be on the look-out for differences rather than ASSuming the patient will behave like a horse. Behavioral differences will be most obvious in donkeys which have had little handling or training. When well trained, they are very easy to work around, however, this may not be the case. Donkeys do not have the same flight response as the horse; when confronted with something new, they will usually freeze until they have had a chance to observe it (hence their reputation for stubbornness). Patience is required when trying to get them to do something new, like enter a stock. They are also not as easily “bullied” into movement as horses are so be prepared to wait! A nose twitch is often ineffective in restraining donkeys (partially because it usually slides off the nose). However, they may be adequately restrained by snubbing the head rope securely to a stout fixed object. Mules are generally more difficult to work around than donkeys (unless well trained) and because of their larger size may be more dangerous; it is strongly recommended to have an experienced mule handler available when working around untrained mules. Both mules and donkeys kick without warning and with great accuracy. Both donkeys and mules are very stoic making it difficult to assess illness; it is likely that they will be much sicker or more painful than casual observation would lead one to conclude. There is a myth that says that donkeys and mules don’t colic. This is not true, but mild bouts of colic are probably never observed because of their stoic nature. The animal may be significantly ill before being presented for treatment or surgery, thus the patient is a worse anesthetic risk.

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تاریخ انتشار 2011