Category: Research Results

Increase in the number of birds of prey with oral inflammation

In the first few months of 2016 more birds of prey with oral inflammation were submitted to the DWHC than in previous years. The inflammation appeared to be caused by parasitic worms and cause difficulty with consuming prey, leading to energy shortage and ultimately death. A case report about buzzards in the
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No evidence of bird flu in dead mute swans

In 2015, 11 dead mute swans were submitted to the Dutch Wildlife Health Centre (DWHC) for post-mortem investigation. Whilst the cause of death of these birds varied, they were all negative for avian influenza virus.
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Demodex mites associated with alopecia in deer

The DWHC regularly receives reports of or questions about deer with ‘bald spots’ (alopecia) or even almost entirely bald animals. This February two such animals were submitted to the DWHC for post-mortem exam.
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Parasitic infection kills buzzards on the Broekpolder

In mid-March two buzzards from the Broekpolder were delivered to the bird sanctuary in Delft with signs of regurgitation; one died shortly after and the other, which developed seizures,  was euthanized; both were submitted to the DWHC for post-mortem exam. Although poisoning was suspected based on the clinical
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A new case of tularemia in a hare from Friesland

A hare submitted to the Dutch Wildlife Health Centre (DWHC) for post-mortem investigation was suspected of having tularemia based on changes seen in the tissues under the microscope. Infection with Francisella tularensis, the causative agent of tularemia, was confirmed by molecular testing performed at the Central
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New variant of rabbit virus also found in wild rabbits

This week the type 2 form of the lethal RHD virus  was confirmed in wild rabbits in the Netherlands. The virus, first encountered in France in 2010, was found in three wild rabbits from the Dutch provinces of Utrecht, Gelderland and South Holland that were submitted to the DWHC for post-mortem exam. Another
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Why does VHD (RHD) pose such a risk to wild rabbits?

Despite their legendary reproductive capabilities, rabbit populations can nonetheless be decimated by the spread of rabbit hemorrhagic disease virus (also known as viral hemorrhagic disease, VHD). RHD (type 1) was first reported in the Netherlands in the 1990s when it caused a massive dent in some wild rabbit
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New case of scabies in a fox in Limburg

In November 2015 a fox was submitted to the DWHC for post-mortem exam. The fox came from an area in which numerous foxes with mange-like signs had been seen  including five others in 2015 alone. A case of scabies (mange caused by the Sarcoptes mite) had been confirmed in a fox from this area in 2014.
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