Category: Research Results

As in 2023, the beaver (Castor fiber) is the focus species at DWHC in 2024. The choice for the beaver as the focus species is motivated by the desire to receive more dead beavers for research into their cause of death. This allows us to better investigate what health issues beavers may have and to gain more

In early March 2024, a hare (Lepus europaeus) was found in the village Callantsoog, province of North-Holland, with a large growth on its head. The hare was dying. A few months earlier, another dead hare had been found at the same location, but that animal showed no external abnormalities. The dead hare with the

At the end of September 2023. A dead European Green Woodpecker (Picus viridis) was found in the village Selling, province of Groningen, and collected for research on the cause of death.

Foto: © vinder In November 2023 a young wolf was found dead in the mud in the woods of the Northern Veluwe, a nature reserve in the centre of the Netherlands. The animal could not free itself and died. It was brought to the Dutch Wildlife Health Centre (DHWC) in Utrecht where it was investigated by ecologists

Since the last major outbreak of bird flu in 2023, mainly among gulls and terns, the spread of bird flu among wild birds in the Netherlands has been relatively little. However, the virus is still around. It is important to stay vigilant on sick and dead birds.

Bird flu is still present among wild birds in the Netherlands. The virus is now endemic in wild bird populations and still causes mortality, although fortunately less than last summer. Some birds have built up partial protection (immunity) against the disease, which means they die less quickly but are also sick

In September 2023, bluetongue virus (BTV, serotype 3) was detected in sheep. Bluetongue is a viral disease that primarily affects sheep and cattle, but other ruminants such as deer can also be infected. The virus is transmitted by infected midges.

Avian influenza is circulating again among wild birds in the Netherlands. In November, the virus was detected in birds in the provinces of Gelderland, Friesland, Groningen, and Utrecht.

For the first time in the Netherlands, tularemia has been confirmed in a wild red squirrel (Sciurus vulgaris). The squirrel was found sick in early October 2023 in the municipality of Bunnik, province of Utrecht, and died shortly thereafter. The squirrel was collected by the DWHC for post-mortem investigation.

In October, a dead beaver was found in the municipality of Maashorst, North-Brabant. The animal had settled there about a year ago. The beaver was collected by the DWHC for post-mortem investigation.