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Article: Pathomorphological Findings and Infectious Diseases in Selected European Brown Hare (

Faehndrich, Marcus / Woelfing, Benno / Klink, Jana C / Roller, Marco / Baumgärtner, Wolfgang / Wohlsein, Peter / Raue, Katharina / Strube, Christina / Ewers, Christa / Prenger-Berninghoff, Ellen / Verspohl, Jutta / Lavazza, Antonio / Capucci, Lorenzo / Tomaso, Herbert / Siebert, Ursula

Pathogens (Basel, Switzerland)

2023 Volume 12, Issue 11

Abstract: In the northernmost German federal state Schleswig-Holstein, populations of European brown hares ( ...

Abstract	In the northernmost German federal state Schleswig-Holstein, populations of European brown hares (
Language	English
Publishing date	2023-11-05
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2695572-6
ISSN	2076-0817
ISSN	2076-0817
DOI	10.3390/pathogens12111317
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Effects of multiple exposures to pile driving noise on harbor porpoise hearing during simulated flights-An evaluation tool.

Schaffeld, Tobias / Schnitzler, Joseph G / Ruser, Andreas / Woelfing, Benno / Baltzer, Johannes / Siebert, Ursula

The Journal of the Acoustical Society of America

2020 Volume 147, Issue 2, Page(s) 685

Abstract: Exploitation of renewable energy from offshore wind farms is substantially increasing worldwide. The majority of wind turbines are bottom mounted, causing high levels of impulsive noise during construction. To prevent temporary threshold shifts (TTS) in ... ...

Abstract	Exploitation of renewable energy from offshore wind farms is substantially increasing worldwide. The majority of wind turbines are bottom mounted, causing high levels of impulsive noise during construction. To prevent temporary threshold shifts (TTS) in harbor porpoise hearing, single strike sound exposure levels (SEL
Language	English
Publishing date	2020-02-25
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	219231-7
ISSN	1520-8524 ; 0001-4966
ISSN (online)	1520-8524
ISSN	0001-4966
DOI	10.1121/10.0000595
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Analysis of hair steroid hormones in polar bears (Ursus maritimus) via liquid chromatography-tandem mass spectrometry: comparison with two immunoassays and application for longitudinal monitoring in zoos.

Hein, Anna / Baumgartner, Katrin / von Fersen, Lorenzo / Bechshoft, Thea / Woelfing, Benno / Kirschbaum, Clemens / Mastromonaco, Gabriela / Greenwood, Alex D / Siebert, Ursula

General and comparative endocrinology

2021 Volume 310, Page(s) 113837

Abstract: Analysis of hair cortisol concentrations (HCCs) is a promising method for monitoring long-term stress in mammals. However, previous measurements of HCCs in polar bears (Ursus maritimus) have yielded highly variable results, which are likely due to ... ...

Abstract	Analysis of hair cortisol concentrations (HCCs) is a promising method for monitoring long-term stress in mammals. However, previous measurements of HCCs in polar bears (Ursus maritimus) have yielded highly variable results, which are likely due to different methodological approaches. In this study, hair samples of zoo-housed polar bears were analyzed for cortisol with two independent immunoassays [an enzyme-linked immunoassay (EIA) and a chemiluminescence assay (CLIA)] and liquid chromatography-tandem mass spectrometry (LC-MS/MS). HCC measurements depended significantly on assay type applied, sample processing (cutting vs. powdering hair) and their interaction. Best agreement was observed between LC-MS/MS and CLIA (R
MeSH term(s)	Animals ; Chromatography, Liquid/methods ; Female ; Hair/chemistry ; Hydrocortisone/analysis ; Immunoassay ; Male ; Steroids/analysis ; Tandem Mass Spectrometry/methods ; Ursidae
Chemical Substances	Steroids ; Hydrocortisone (WI4X0X7BPJ)
Language	English
Publishing date	2021-06-26
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1851-x
ISSN	1095-6840 ; 0016-6480
ISSN (online)	1095-6840
ISSN	0016-6480
DOI	10.1016/j.ygcen.2021.113837
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Article ; Online: Seroprevalences of specific antibodies against avian pathogens in free-ranging ring-necked pheasants (Phasianus colchicus) in Northwestern Germany.

Gethöffer, Friederike / Curland, Nele / Voigt, Ulrich / Woelfing, Benno / Ludwig, Tobias / Heffels-Redmann, Ursula / Hafez, Hafez Mohamed / Lierz, Michael / Siebert, Ursula

PloS one

2021 Volume 16, Issue 8, Page(s) e0255434

Abstract: Infectious diseases in captive pheasants (Phasianus colchicus) are well known, but there is a lack of knowledge about occurrence and distribution of pathogens in free-ranging pheasants in Germany. We investigated 604 sera from hunted pheasants and 152 ... ...

Abstract	Infectious diseases in captive pheasants (Phasianus colchicus) are well known, but there is a lack of knowledge about occurrence and distribution of pathogens in free-ranging pheasants in Germany. We investigated 604 sera from hunted pheasants and 152 sera from wild caught pheasants between 2011 to 2015, with the aim to determine the prevalence of specific antibodies against different viruses: Avian influenza virus (AIV) of subtypes H5, H7, H9, paramyxovirus type 1 (PMV-1), avian encephalomyelitis virus (AEV), infectious bursitis disease virus (IBDV), infectious bronchitis virus (IBV), infectious laryngotracheitis virus (ILTV), avian metapneumovirus (aMPV) and Salmonella sp., Mycoplasma synoviae (MS) and Mycoplasma gallisepticum (MG). In addition, 178 caeca were investigated for Histomonas meleagridis. The study reveals an ongoing circulation of IBV in the wild pheasant population during the study. Also high seroprevalences of specific antibodies against aMPV depending on the area and a strong increase in prevalence of IBDV antibodies in sera of pheasants in Lower Saxony were detected. ILTV antibody prevalences differed between areas and AEV antibody detection differed between years significantly, whereas specific antibodies against PMV-1 could not be detected and antibodies against AIV-H5, -H7 and -H9 and Mycoplasma spp. were detected in very few cases.
MeSH term(s)	Animals ; Herpesvirus 1, Gallid ; Infectious bronchitis virus ; Poultry Diseases ; Quail ; Seroepidemiologic Studies
Language	English
Publishing date	2021-08-04
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ISSN	1932-6203
ISSN (online)	1932-6203
DOI	10.1371/journal.pone.0255434
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Faecal glucocorticoid metabolites as a measure of adrenocortical activity in polar bears (

Hein, Anna / Palme, Rupert / Baumgartner, Katrin / von Fersen, Lorenzo / Woelfing, Benno / Greenwood, Alex D / Bechshoft, Thea / Siebert, Ursula

Conservation physiology

2020 Volume 8, Issue 1, Page(s) coaa012

Abstract: Analysis of faecal glucocorticoid metabolites (FGMs) is frequently applied to assess adrenocortical activity in animal conservation and welfare studies. Faecal sample collection is non-invasive and feasible under field conditions. FGM levels are also ... ...

Abstract	Analysis of faecal glucocorticoid metabolites (FGMs) is frequently applied to assess adrenocortical activity in animal conservation and welfare studies. Faecal sample collection is non-invasive and feasible under field conditions. FGM levels are also less prone to circadian rhythms, episodic fluctuations and short acute stressors than glucocorticoid (GC) levels obtained from other matrices, for example blood or saliva. To investigate the suitability of FGM measurement in polar bears (
Language	English
Publishing date	2020-04-04
Publishing country	England
Document type	Journal Article
ZDB-ID	2721508-8
ISSN	2051-1434
ISSN	2051-1434
DOI	10.1093/conphys/coaa012
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Article ; Online: Seroprevalences of specific antibodies against avian pathogens in free-ranging ring-necked pheasants (Phasianus colchicus) in Northwestern Germany

Friederike Gethöffer / Nele Curland / Ulrich Voigt / Benno Woelfing / Tobias Ludwig / Ursula Heffels-Redmann / Hafez Mohamed Hafez / Michael Lierz / Ursula Siebert

PLoS ONE, Vol 16, Iss

2021 Volume 8

Abstract	Infectious diseases in captive pheasants (Phasianus colchicus) are well known, but there is a lack of knowledge about occurrence and distribution of pathogens in free-ranging pheasants in Germany. We investigated 604 sera from hunted pheasants and 152 sera from wild caught pheasants between 2011 to 2015, with the aim to determine the prevalence of specific antibodies against different viruses: Avian influenza virus (AIV) of subtypes H5, H7, H9, paramyxovirus type 1 (PMV-1), avian encephalomyelitis virus (AEV), infectious bursitis disease virus (IBDV), infectious bronchitis virus (IBV), infectious laryngotracheitis virus (ILTV), avian metapneumovirus (aMPV) and Salmonella sp., Mycoplasma synoviae (MS) and Mycoplasma gallisepticum (MG). In addition, 178 caeca were investigated for Histomonas meleagridis. The study reveals an ongoing circulation of IBV in the wild pheasant population during the study. Also high seroprevalences of specific antibodies against aMPV depending on the area and a strong increase in prevalence of IBDV antibodies in sera of pheasants in Lower Saxony were detected. ILTV antibody prevalences differed between areas and AEV antibody detection differed between years significantly, whereas specific antibodies against PMV-1 could not be detected and antibodies against AIV-H5, -H7 and -H9 and Mycoplasma spp. were detected in very few cases.
Keywords	Medicine ; R ; Science ; Q
Subject code	616
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Public Library of Science (PLoS)
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Seroprevalences of specific antibodies against avian pathogens in free-ranging ring-necked pheasants (Phasianus colchicus) in Northwestern Germany.

Friederike Gethöffer / Nele Curland / Ulrich Voigt / Benno Woelfing / Tobias Ludwig / Ursula Heffels-Redmann / Hafez Mohamed Hafez / Michael Lierz / Ursula Siebert

PLoS ONE, Vol 16, Iss 8, p e

2021 Volume 0255434

Abstract	Infectious diseases in captive pheasants (Phasianus colchicus) are well known, but there is a lack of knowledge about occurrence and distribution of pathogens in free-ranging pheasants in Germany. We investigated 604 sera from hunted pheasants and 152 sera from wild caught pheasants between 2011 to 2015, with the aim to determine the prevalence of specific antibodies against different viruses: Avian influenza virus (AIV) of subtypes H5, H7, H9, paramyxovirus type 1 (PMV-1), avian encephalomyelitis virus (AEV), infectious bursitis disease virus (IBDV), infectious bronchitis virus (IBV), infectious laryngotracheitis virus (ILTV), avian metapneumovirus (aMPV) and Salmonella sp., Mycoplasma synoviae (MS) and Mycoplasma gallisepticum (MG). In addition, 178 caeca were investigated for Histomonas meleagridis. The study reveals an ongoing circulation of IBV in the wild pheasant population during the study. Also high seroprevalences of specific antibodies against aMPV depending on the area and a strong increase in prevalence of IBDV antibodies in sera of pheasants in Lower Saxony were detected. ILTV antibody prevalences differed between areas and AEV antibody detection differed between years significantly, whereas specific antibodies against PMV-1 could not be detected and antibodies against AIV-H5, -H7 and -H9 and Mycoplasma spp. were detected in very few cases.
Keywords	Medicine ; R ; Science ; Q
Subject code	616
Language	English
Publishing date	2021-01-01T00:00:00Z
Publisher	Public Library of Science (PLoS)
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Pathological findings in North Sea and Baltic grey seal and harbour seal intestines associated with acanthocephalan infections.

Lakemeyer, Jan / Lehnert, Kristina / Woelfing, Benno / Pawliczka, Iwona / Silts, Martin / Dähne, Michael / von Vietinghoff, Vivica / Wohlsein, Peter / Siebert, Ursula

Diseases of aquatic organisms

2020 Volume 138, Page(s) 97–110

Abstract: Grey seals Halichoerus grypus and harbour seals Phoca vitulina are common seal species in the North and Baltic seas and final hosts of Corynosoma acanthocephalans. C. strumosum and C. magdaleni infect the small intestines of both seal species. In ... ...

Abstract	Grey seals Halichoerus grypus and harbour seals Phoca vitulina are common seal species in the North and Baltic seas and final hosts of Corynosoma acanthocephalans. C. strumosum and C. magdaleni infect the small intestines of both seal species. In contrast to harbour seals, Baltic grey seals in the past have regularly displayed severe C. semerme infections in the caecum and colon, with associated tunica muscularis hypertrophy, inflammation and ulcerations as part of the Baltic seal disease complex (BSDC). Pathogenesis and correlation of acanthocephalan infections with these lesions are still unknown. This study describes the intestinal pathology and parasitic distribution in each seal species. Grey seal (n = 83) and harbour seal (n = 1156) intestines of all age groups and sexes, collected in Poland, Germany and Estonia from 1998 to 2017, were investigated. Most harbour seals came from the North Sea, whereas grey seals were predominantly derived from the Baltic Sea. Both species featured mild to moderate small intestinal infections. Grey seals showed colonic infections not found in harbour seals and featured a chronic erosive to ulcerative, eosinophilic or lympho-plasmacytic colitis with tunica muscularis hypertrophy, indicating still prevailing clinical signs of the BSDC. Harbour seals displayed granulomatous, eosinophilic, lympho-plasmacytic or catarrhal enteritis. The prevalence of acanthocephalan infections in harbour seals increased from 2012 onwards. Furthermore, significant associations between acanthocephalan infection and the presence of intestinal inflammation were found for both seal species. This study suggests that the level of acanthocephalan infection and associated lesions are suitable seal population health indicators, with the colon being a specific target organ for Baltic grey seal health monitoring.
MeSH term(s)	Animals ; Germany ; Infections ; Intestines ; North Sea ; Oceans and Seas ; Phoca ; Poland
Language	English
Publishing date	2020-02-27
Publishing country	Germany
Document type	Journal Article
ISSN	0177-5103
ISSN	0177-5103
DOI	10.3354/dao03440
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Pathomorphological Findings and Infectious Diseases in Selected European Brown Hare (Lepus europaeus Pallas, 1778) Populations from Schleswig-Holstein, Germany

Faehndrich, Marcus / Woelfing, Benno / Klink, Jana C. / Roller, Marco / Baumgärtner, Wolfgang / Wohlsein, Peter / Raue, Katharina / Strube, Christina / Ewers, Christa / Prenger-Berninghoff, Ellen / Verspohl, Jutta / Lavazza, Antonio / Capucci, Lorenzo / Tomaso, Herbert / Siebert, Ursula

2023

Abstract: In the northernmost German federal state Schleswig-Holstein, populations of European brown hares (Lepus europaeus Pallas, 1778) show diverse densities and varying courses over the years. To examine differences in pathomorphological findings and ... ...

Abstract	In the northernmost German federal state Schleswig-Holstein, populations of European brown hares (Lepus europaeus Pallas, 1778) show diverse densities and varying courses over the years. To examine differences in pathomorphological findings and infectious diseases as possible reasons for varying population dynamics, we assessed 155 hunted hares from three locations in Schleswig-Holstein from 2016 to 2020. We investigated the association of location, year, age, and sex of animals to certain pathomorphological findings and infectious diseases. Frequent pathomorphological findings were intestinal parasites (63.9%), hepatitis (55.5%), nephritis (31.0%), steatitis (23.2%), enteritis (13.5%), and pneumonia (5.2%). Body condition differed significantly between locations, and the prevalence of pneumonia was significantly higher in females. Enteritis was not detected in 2019, when much more juveniles were sampled. Hepatitis and nephritis occurred significantly more often in 2016 and among adults. Additionally, more adults showed hepatitis with concurrent serotitre for European brown hare syndrome virus (EBHSV), while intestinal parasitosis as well as high excretion rates of coccidia were more common in juveniles. Sampled animals showed high infection rates with Eimeria spp. (96.1%), Trichostrongylus spp. (52.0%), Graphidium strigosum (41.2%), and a high seroprevalence (90.9%) for EBHSV, without severe symptoms. This study revealed a low prevalence of infectious pathogens, but a high prevalence of chronic inflammations of unknown origin in the tested brown hare populations. Overall, our results indicate a rather minor importance of infectious diseases for observed population dynamics of analysed hare populations in Schleswig-Holstein.
Keywords	article ; Text ; ddc:570 ; Lepus europaeus -- hepatitis -- steatitis -- nephritis -- EBHSV -- Eimeria spp. -- Trichostrongylus spp. -- Graphidium strigosum
Subject code	630
Language	English
Publishing date	2023-11-05
Publisher	MDPI AG
Publishing country	de
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: The use of seal scarers as a protective mitigation measure can induce hearing impairment in harbour porpoises.

Schaffeld, Tobias / Ruser, Andreas / Woelfing, Benno / Baltzer, Johannes / Kristensen, Jakob H / Larsson, Josefin / Schnitzler, Joseph G / Siebert, Ursula

The Journal of the Acoustical Society of America

2019 Volume 146, Issue 6, Page(s) 4288

Abstract: Acoustic deterrent devices (ADDs) are used to deter seals from aquacultures but exposure of harbour porpoises (Phocoena phocoena) occurs as a side-effect. At construction sites, by contrast, ADDs are used to deter harbour porpoises from the zone in which ...

Abstract	Acoustic deterrent devices (ADDs) are used to deter seals from aquacultures but exposure of harbour porpoises (Phocoena phocoena) occurs as a side-effect. At construction sites, by contrast, ADDs are used to deter harbour porpoises from the zone in which pile driving noise can induce temporary threshold shifts (TTSs). ADDs emit such high pressure levels that there is concern that ADDs themselves may induce a TTS. A harbour porpoise in human care was exposed to an artificial ADD signal with a peak frequency of 14 kHz. A significant TTS was found, measured by auditory evoked potentials, with an onset of 142 dB re 1 μPa
MeSH term(s)	Acoustic Stimulation/methods ; Animals ; Behavior, Animal/physiology ; Environmental Exposure ; Female ; Hearing/physiology ; Hearing Loss/physiopathology ; Noise ; Phocoena/physiology ; Seals, Earless ; Sound Spectrography/methods ; Time Factors
Language	English
Publishing date	2019-12-31
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	219231-7
ISSN	1520-8524 ; 0001-4966
ISSN (online)	1520-8524
ISSN	0001-4966
DOI	10.1121/1.5135303
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