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Image Blood-stained fluid at nares
Blood-stained fluid in the nares may be seen in rabbits that have died suddenly from RHD. A foamy blood-stained exudate in the trachea is a feature of the diseases and the exudate may extend to the nostrils
Located in Media / / MACROSCOPIC CHANGES / GROSS EXAMINATION
Image Buzzard attack
This juvenile wild rabbit was found after a Common Buzzard was disturbed and flew into a tree that was close by. The body was warm and limp indicating that the rabbit had only just died. There were no visible marks or wounds on the body. After the skin was partially removed, four small tears were found that penetrated either the thorax or abdomen. One of these had caused substantial haemorrhage. These marks were consistent with wounds inflicted by talons. There was more severe damage internally.
Located in Media / / MACROSCOPIC CHANGES / GROSS EXAMINATION
Image Cardiomyopathy
Heart with myocardial fibrosis
Located in Media / / MACROSCOPIC CHANGES / HEART
Image ECMAScript program Ecchymotic pulmonary haemorrhages
In this confirmed case of RHD, ecchymotic haemorrhages were evident macroscopically and alveolar haemorrhages were seen microscopically.
Located in Media / / MACROSCOPIC CHANGES / LUNGS
Image SIS package End point of gut stasis
This picture shows the abdominal organs of a fat rabbit that died from gut stasis. He was presented for veterinary treatment because he was lethargic and anorexic. He died shortly after admission and the post-mortem examination was performed within an hour. A spur on an upper cheek tooth was discovered during post-mortem examination. It was digging into the cheek causing an ulcerated, necrotic area in the mucosa. This was the most likely cause of the anorexia and the triggering factor for gut stasis. The image shows several features of gut stasis. There is a pale fatty liver, some gastric ulceration, an empty caecum distended with gas and empty gas filled intestines. It takes at least 3 days for a rabbit to die from gut stasis. Death can be prevented by providing food and fluid (syringe feeding) and medication to stimulate gut motility. Treatment of the cause of gut stasis (in this case dentistry) is also necessary.
Located in Media / / MACROSCOPIC CHANGES / GROSS EXAMINATION
Image Enlarged congested liver
An enlarged congested liver can be due to rabbit haemorrhagic disease (RHD) but is also a macroscopic feature of other conditions, such as congestive heart failure or septicaemia. Close inspection of the liver shows a mottled appearance, which is suggestive of RHD. In this case, RHD was diagnosed from the histopathological finding of characteristic hepatocellular necrosis.
Located in Media / / MACROSCOPIC CHANGES / LIVER
Image Enlarged pale, mottled liver
The liver is always affected in rabbits with RHD. Microscopically hepatocellular necrosis is present in all cases. Macroscopically, there may be minimal changes or hepatomegaly with a pale mottled appearance as in this rabbit that died from RHDV2 confirmed by PCR testing.
Located in Media / / MACROSCOPIC CHANGES / LIVER
Image JPEG image Enlarged, congested, mottled liver
Congestion is often present in the organs of rabbits that have died from RHD and can mask other characteristic changes. The liver of this rabbit that died from RHD is congested. Close inspection shows a mottled appearance.
Located in Media / / MACROSCOPIC CHANGES / LIVER
Image Enterotoxaemia
Enterotoxaemia is characterised by inflammation of the caecum ( and sometimes other parts of the intestinal tract. The contents of the caecum are liquid and haemorrhagic
Located in Media / / MACROSCOPIC CHANGES / GI TRACT
Image Gastric dilation
Gastric dilation is a feature of intestinal obstruction. The stomach can be grossly distended with gas and fluid so it becomes inflamed
Located in Media / / MACROSCOPIC CHANGES / GI TRACT