SCUD

Todayโ€™s path rounds are on ๐ฌ๐ž๐ฉ๐ญ๐ข๐œ๐ž๐ฆ๐ข๐œ ๐œ๐ฎ๐ญ๐š๐ง๐ž๐จ๐ฎ๐ฌ ๐ฎ๐ฅ๐œ๐ž๐ซ๐š๐ญ๐ข๐ฏ๐ž ๐๐ข๐ฌ๐ž๐š๐ฌ๐ž, commonly referred to as ๐’๐‚๐”๐ƒ!

๐–๐ก๐š๐ญ ๐ข๐ฌ ๐ข๐ญ?
๐’๐‚๐”๐ƒ is a bacterial infection of the skin and shell of turtles, that eventually enters the bloodstream causing ๐ฌ๐ž๐ฉ๐ญ๐ข๐œ๐ž๐ฆ๐ข๐š (bacteria in the blood).

๐–๐ก๐จ ๐ ๐ž๐ญ๐ฌ ๐ข๐ญ?
Freshwater turtles get this condition!

๐–๐ก๐š๐ญ ๐œ๐š๐ฎ๐ฌ๐ž๐ฌ ๐ข๐ญ?
The most commonly reported bacteria causing SCUD is ๐‚๐ข๐ญ๐ซ๐จ๐›๐š๐œ๐ญ๐ž๐ซ ๐Ÿ๐ซ๐ž๐ฎ๐ง๐๐ข๐ข, but other bacteria can cause it as well. Citrobacter is typically acquired from the water the turtle is living in. Normally this bacteria would not cause issues for the turtle, however if the turtle has lowered immunity due to poor nutrition, management or housing, the bacteria can set up shop on the animalโ€™s shell.

๐–๐ก๐ฒ ๐ข๐ฌ ๐ญ๐ก๐ข๐ฌ ๐š ๐ฉ๐ซ๐จ๐›๐ฅ๐ž๐ฆ?
This disease initially causes large ulcerations on the skin and shell, before entering the bloodstream. Once in the blood, the bacteria can cause muscle weakness, limb paralysis and ๐ง๐ž๐œ๐ซ๐จ๐ฌ๐ข๐ฌ (cell death) of the shell. It can also cause abscesses in the internal organs like the liver, spleen, kidney and heart.

๐‡๐จ๐ฐ ๐ข๐ฌ ๐ข๐ญ ๐๐ข๐š๐ ๐ง๐จ๐ฌ๐ž๐?
In most cases, the veterinarian has a pretty good idea of the diagnosis based on seeing the ulcerated shell and skin. To confirm, biopsies can be taken to visualize the bacteria using special stains, or the bacterial DNA can be identified.

๐‡๐จ๐ฐ ๐ข๐ฌ ๐ข๐ญ ๐ญ๐ซ๐ž๐š๐ญ๐ž๐? ๐‡๐จ๐ฐ ๐ข๐ฌ ๐ข๐ญ ๐ฉ๐ซ๐ž๐ฏ๐ž๐ง๐ญ๐ž๐?
These turtles typically need ๐š๐ง๐ญ๐ข๐›๐ข๐จ๐ญ๐ข๐œ๐ฌ to treat the bacterial infection, along with treating the wounds directly by removing dead tissue. To prevent the disease, proper management of turtles is essential, along with good sanitation practices.

๐๐ก๐จ๐ญ๐จ๐ฌ
1-4) Ulcerated shells and skin on sad turtles.

๐’๐จ๐ฎ๐ซ๐œ๐ž๐ฌ
Terio, KA, McAloose, D, St. Leger, J. Pathology of Wildlife and Zoo Animals. 2018.

Photos 1-4 ยฉ Noahโ€™s Arkive contributors Metro licensed under CC BY-SA 4.0.

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