Home › Animalia › Animal health › Animal diseases › Wombat sarcoptic mange

parasitic disease Common wombat Transmissible to humans

Wombat sarcoptic mange

Find a veterinarian All common wombat diseases

Definition Signs Causes Transmission Diagnosis Treatment Prevention Complications When to see a vet Prognosis FAQ Sources Affected species

What is it?

Wombat sarcoptic mange is a serious skin disease caused by a tiny mite, Sarcoptes scabiei, which burrows under the animal's skin. It particularly affects the common wombat (Vombatus ursinus) and represents one of the main threats to wild populations of this species in Australia. The disease often progresses over several weeks to several months, leading to progressive exhaustion of the animal if nothing is done. Without treatment, it can be fatal because it greatly weakens the animal, preventing it from feeding and regulating its temperature correctly.

Key point

Sarcoptic mange is considered a major threat to wild populations of common wombats in Australia, potentially causing significant colony declines if left uncontrolled.

Commonly observed signs

These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.

Related signs — each one links to its page:

Itching Hair loss Scabs and skin lesions Thickened or darkened skin Weight loss Fatigue Reduction Loss of sight Behaviour change Hiding or withdrawing

The first signs are intense itching which causes the wombat to scratch against trees, rocks or the entrance to its burrow.

The skin gradually thickens, becomes gray or blackish, becomes covered with thick crusts and wrinkles, especially on the muzzle, ears, legs and around the eyes.

The coat falls off in patches, revealing cracked and sometimes oozing skin.

At an advanced stage, the thickening of the tissues around the eyes can hamper the vision of the animal, which can also lose the use of its limbs because of the scabs which limit movement.

The animal loses weight, becomes lethargic, sometimes comes out in broad daylight when it is usually nocturnal, and can be seen near water points in an unusual manner.

In very advanced cases, a secondary bacterial infection of the skin may be added, worsening the general condition.

When to consult without delay

This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.

Causes and risk factors

The disease is caused by a microscopic mite, Sarcoptes scabiei, which burrows into the superficial layers of the skin to lay its eggs.

The inflammatory and allergic reaction of the wombat's body to the presence and droppings of this mite is responsible for the skin lesions observed.

Living in a shared burrow encourages the spread of the mite between individuals.

A high population density of wombats in the same area increases the risk of transmission.

An animal that is already weakened, stressed or immunocompromised will develop more severe lesions and more quickly.

Climatic conditions and food availability can also influence the severity of the disease by affecting the general condition of the animal.

Transmission

Transmission occurs mainly by direct contact between animals, particularly when sharing burrows, which explains the rapid spread within the same colony.

It can also be done indirectly through the environment of the burrow, where the mites can survive for a certain time outside their host.

The mite can occasionally infest other species, including humans, but it generally does not persist for long.

Diagnosis and care

Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.

The diagnosis is firstly based on the observation of typical clinical signs, in particular the characteristic appearance of crusted and thickened skin.

A veterinarian or wildlife specialist can confirm the presence of the mite with a skin scraping examined under a microscope.

In wild animals, the assessment of the general condition and stage of the disease guides the decision for on-site treatment, capture for care, or management in a wildlife care center.

Treatment

Treatment is based on the use of specific antiparasitics effective against mites, administered by a veterinarian or wildlife professional trained for this purpose.

Skin care may be necessary to soften and remove thicker scabs.

In the event of a secondary bacterial infection, additional antibiotic treatment may be associated.

Nutritional care and general support are often necessary for very weakened animals, particularly in care centers.

Treatment depends on the cause and the animal's condition: it must be determined by a veterinarian. No self-medication.

Prevention

Regular monitoring of wild wombat populations makes it possible to spot the first signs of the disease.

In some areas, automatic treatment devices placed at the entrance to burrows make it possible to apply an antiparasitic agent to animals passing through them, as part of wildlife management programs.

Limiting contact with visibly sick animals and reporting any wombat showing suspicious signs to local authorities or wildlife protection associations also helps limit the spread.

Possible complications

Complications include vision loss related to thickening of the skin around the eyes, secondary bacterial infections of the skin, dehydration, severe weight loss and general weakening which can lead to death if the animal is not treated.

Cold and the inability to regulate body temperature properly, due to hair loss and skin condition, also worsen the prognosis.

When to see a veterinarian

A wombat has thick scabs or abnormally gray or wrinkled skin.

A wild wombat is visible in broad daylight, which is unusual for this nocturnal species.

The animal appears emaciated, lethargic or has difficulty moving.

Well-demarcated hairless areas or non-healing sores are observed on the skin.

The animal appears to have difficulty seeing or keeps its eyes closed due to crusting around the eyelids.

Prognosis

The prognosis strongly depends on the stage at which the disease is managed.

Detected early and treated quickly, sarcoptic mange can be cured with a good recovery of the animal.

At an advanced stage, with a very weakened animal and extensive lesions, the prognosis becomes much more guarded, and the disease can be fatal despite treatment.

Frequently asked questions

Can wombat sarcoptic mange be transmitted to humans?

Yes, direct contact with an infested animal can cause temporary itching in humans, but the mite does not settle permanently on human skin and the symptoms generally disappear on their own.

How to recognize a wombat with sarcoptic mange?

Suggestive signs are thickened, gray and crusted skin, loss of hair in patches, and unusual behavior such as activity in broad daylight when the wombat is normally active at night.

What should I do if I see a wild wombat with mange symptoms?

You should not try to manipulate it yourself. The best is to contact a wildlife protection association or a specialized veterinarian who can assess the situation and organize appropriate treatment.

Is sarcoptic mange always fatal in wombats?

No, if detected and treated at an early stage, the animal can recover. It is especially in the absence of treatment, at an advanced stage, that the disease often becomes fatal.