References
Gastrointestinal disorders in donkeys
Abstract
Donkeys with colic may have subtle clinical signs of pain that delay detection, so a methodical clinical examination is needed to make a diagnosis. Using donkey-specific pain scoring can be helpful in monitoring progress and responses to analgesia. Hyperlipaemia is often secondary to the underlying disease process, and will reduce the prognosis for successful treatment, so assessing triglycerides and treating any elevation alongside other required blood testing is necessary. Ultrasound evaluation is helpful in donkeys which are too small for safe palpation per-rectum, and serum and peritoneal lactate values may be useful in guiding prognosis. Surgical treatment of colic in donkeys has a poorer success rate that in the horse, largely due to delays in diagnosis and referral as a result of the lack of overt pain signs, postoperative complications and hyperlipaemia. Preventative care is often lacking in donkeys, so provision of regular routine dental management, routine parasite monitoring and control (including appropriate use of anthelmintics and dietary management to ensure a healthy body weight) are areas that veterinarians and nurses can assist with. Donkeys cope poorly with stress, so when undergoing treatment, any bonded companion should be kept close by.
Although donkeys may form a small part of an equine practitioner's case load in the UK, they are important companion animals to their owners. Donkeys frequently suffer from benign or active neglect, leading to poor welfare, and their own stoicism may mean delayed detection of disease. This article aims to assist practitioners in recognising and treating donkeys with colic, and to highlight differences in managing a colic case in a donkey compared to a horse. Reducing the incidence of colic can be achieved through appropriate preventative care, which may be overlooked in donkey populations.
Colic in donkeys is frequently diagnosed late due to the lack of recognition of pain in this species (Ashley et al, 2005). Clinical signs of impactions and displacements can be confusing with only mild dullness, inappetence, sham eating, recumbency and self-isolation seen for many types (Figures 1 and 2). These signs are also seen in donkeys with hyperlipaemia and non-colic pain. Classic signs of colic (like those seen in horses, including rolling, flank watching, kicking at the abdomen) are unusual. Extreme dullness with accompanying pyrexia and leukopenia are seen in cases of colitis.
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