Infectious diseases as main causes of mortality to beavers Castor fiber after translocation to the Netherlands

B.A. Nolet; S. Broekhuizen; G.M. Dorrestein; K.M. Rienks

doi:10.1111/j.1469-7998.1997.tb05497.x

Infectious diseases as main causes of mortality to beavers Castor fiber after translocation to the Netherlands

B.A. Nolet, S. Broekhuizen, G.M. Dorrestein, K.M. Rienks

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Abstract

Between 1988 and 1994, 58 beavers were translocated from the Elbe region (Germany) to the Netherlands. In 43 animals, radio-transmitters were implanted with a pulse interval which was dependent on body temperature; subsequently, 22 of the released animals were found dead and the cause of death was investigated. Infectious diseases were the most important cause of death (50%), in particular yersiniosis and leptospirosis. Yersiniosis is relatively rare in the source population along the Elbe, and leptospirosis has not been reported before in beavers. We hypothesize that the immune system of the translocated animals was weakened by stress at a time of exposure to new pathogens. In future translocations of beavers, we recommend to reduce the stress, improve the hygiene, and to vaccinate against Yersinia pseudotuberculosis and leptospirosis prior to the release.

Original language	English
Pages (from-to)	35-42
Journal	Journal of Zoology London
Volume	241
DOIs	https://doi.org/10.1111/j.1469-7998.1997.tb05497.x
Publication status	Published - 1997

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title = "Infectious diseases as main causes of mortality to beavers Castor fiber after translocation to the Netherlands",

abstract = "Between 1988 and 1994, 58 beavers were translocated from the Elbe region (Germany) to the Netherlands. In 43 animals, radio-transmitters were implanted with a pulse interval which was dependent on body temperature; subsequently, 22 of the released animals were found dead and the cause of death was investigated. Infectious diseases were the most important cause of death (50%), in particular yersiniosis and leptospirosis. Yersiniosis is relatively rare in the source population along the Elbe, and leptospirosis has not been reported before in beavers. We hypothesize that the immune system of the translocated animals was weakened by stress at a time of exposure to new pathogens. In future translocations of beavers, we recommend to reduce the stress, improve the hygiene, and to vaccinate against Yersinia pseudotuberculosis and leptospirosis prior to the release.",

author = "B.A. Nolet and S. Broekhuizen and G.M. Dorrestein and K.M. Rienks",

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doi = "10.1111/j.1469-7998.1997.tb05497.x",

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T1 - Infectious diseases as main causes of mortality to beavers Castor fiber after translocation to the Netherlands

AU - Nolet, B.A.

AU - Broekhuizen, S.

AU - Dorrestein, G.M.

AU - Rienks, K.M.

N1 - Reporting year: 1997 Metis note: 2769; CL; PDI ; AnE; file:///L:/Endnotedatabases/NIOOPUB/pdfs/Pdfs1997/Nolet_ea_2769.pdf

PY - 1997

Y1 - 1997

N2 - Between 1988 and 1994, 58 beavers were translocated from the Elbe region (Germany) to the Netherlands. In 43 animals, radio-transmitters were implanted with a pulse interval which was dependent on body temperature; subsequently, 22 of the released animals were found dead and the cause of death was investigated. Infectious diseases were the most important cause of death (50%), in particular yersiniosis and leptospirosis. Yersiniosis is relatively rare in the source population along the Elbe, and leptospirosis has not been reported before in beavers. We hypothesize that the immune system of the translocated animals was weakened by stress at a time of exposure to new pathogens. In future translocations of beavers, we recommend to reduce the stress, improve the hygiene, and to vaccinate against Yersinia pseudotuberculosis and leptospirosis prior to the release.

AB - Between 1988 and 1994, 58 beavers were translocated from the Elbe region (Germany) to the Netherlands. In 43 animals, radio-transmitters were implanted with a pulse interval which was dependent on body temperature; subsequently, 22 of the released animals were found dead and the cause of death was investigated. Infectious diseases were the most important cause of death (50%), in particular yersiniosis and leptospirosis. Yersiniosis is relatively rare in the source population along the Elbe, and leptospirosis has not been reported before in beavers. We hypothesize that the immune system of the translocated animals was weakened by stress at a time of exposure to new pathogens. In future translocations of beavers, we recommend to reduce the stress, improve the hygiene, and to vaccinate against Yersinia pseudotuberculosis and leptospirosis prior to the release.

U2 - 10.1111/j.1469-7998.1997.tb05497.x

DO - 10.1111/j.1469-7998.1997.tb05497.x

M3 - Article

SN - 0952-8369

VL - 241

SP - 35

EP - 42

JO - Journal of Zoology London

JF - Journal of Zoology London

ER -

Infectious diseases as main causes of mortality to beavers Castor fiber after translocation to the Netherlands

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