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Article ; Online: First-time detection of bovine viral diarrhoea virus, BVDV-1, in cattle in Botswana.

Lysholm, Sara / Ramabu, Solomon S / Berg, Mikael / Wensman, Jonas J

The Onderstepoort journal of veterinary research

2019 Volume 86, Issue 1, Page(s) e1–e7

Abstract: Infectious diseases are serious constraints for improving livestock productivity. Bovine viral diarrhoea virus (BVDV) is a virus causing grave economic losses throughout the cattle producing world. Infection is often not apparent, but the virus can also ... ...

Abstract	Infectious diseases are serious constraints for improving livestock productivity. Bovine viral diarrhoea virus (BVDV) is a virus causing grave economic losses throughout the cattle producing world. Infection is often not apparent, but the virus can also cause respiratory signs, diarrhoea, reproductive problems and immunosuppression. Risk factors for disease transmission include, but are not limited to, herd size, animal trade and grazing on communal pastures. Several prevalence studies have been conducted in southern Africa, but in Botswana the occurrence is largely unknown. In this study, blood samples were obtained from 100 goats from three villages around the capital city, Gaborone. Also, 364 blood samples from cattle around Gaborone, collected as part of another study, were analysed. The detected antibody prevalence was 0% in goats and 53.6% in cattle when using a competitive enzyme-linked immunoassay. Three animals from two different herds were positive for viral nucleic acids on polymerase chain reaction. The two herds with viraemic animals had significantly higher antibody prevalence compared to the other herds. Also, two of the detected viruses were sequenced and found to be most similar to BVDV-1a. To the authors' knowledge, this is the first time that sequencing has been performed on BVDV isolated in Botswana.
MeSH term(s)	Animals ; Botswana/epidemiology ; Bovine Virus Diarrhea-Mucosal Disease/epidemiology ; Bovine Virus Diarrhea-Mucosal Disease/virology ; Cattle ; Diarrhea Virus 1, Bovine Viral/isolation & purification ; Enzyme-Linked Immunosorbent Assay/veterinary ; Female ; Goat Diseases/epidemiology ; Goat Diseases/virology ; Goats ; Male ; Pestivirus Infections/epidemiology ; Pestivirus Infections/veterinary ; Pestivirus Infections/virology ; Prevalence ; Reverse Transcriptase Polymerase Chain Reaction/veterinary
Language	English
Publishing date	2019-10-09
Publishing country	South Africa
Document type	Journal Article
ZDB-ID	417084-2
ISSN	2219-0635 ; 0030-2465
ISSN (online)	2219-0635
ISSN	0030-2465
DOI	10.4102/ojvr.v86i1.1764
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Article ; Online: First-time detection of bovine viral diarrhoea virus, BVDV-1, in cattle in Botswana

Sara Lysholm / Solomon S. Ramabu / Mikael Berg / Jonas J. Wensman

Onderstepoort Journal of Veterinary Research, Vol 86, Iss 1, Pp e1-e

2019 Volume 7

Abstract	Infectious diseases are serious constraints for improving livestock productivity. Bovine viral diarrhoea virus (BVDV) is a virus causing grave economic losses throughout the cattle producing world. Infection is often not apparent, but the virus can also cause respiratory signs, diarrhoea, reproductive problems and immunosuppression. Risk factors for disease transmission include, but are not limited to, herd size, animal trade and grazing on communal pastures. Several prevalence studies have been conducted in southern Africa, but in Botswana the occurrence is largely unknown. In this study, blood samples were obtained from 100 goats from three villages around the capital city, Gaborone. Also, 364 blood samples from cattle around Gaborone, collected as part of another study, were analysed. The detected antibody prevalence was 0% in goats and 53.6% in cattle when using a competitive enzyme-linked immunoassay. Three animals from two different herds were positive for viral nucleic acids on polymerase chain reaction. The two herds with viraemic animals had significantly higher antibody prevalence compared to the other herds. Also, two of the detected viruses were sequenced and found to be most similar to BVDV-1a. To the authors’ knowledge, this is the first time that sequencing has been performed on BVDV isolated in Botswana.
Keywords	bovine viral diarrhoea virus ; bvdv-1 ; cattle ; botswana ; infectious diseases ; Veterinary medicine ; SF600-1100
Subject code	630
Language	English
Publishing date	2019-10-01T00:00:00Z
Publisher	AOSIS
Document type	Article ; Online
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Article: Crossing the Line: Seroprevalence and Risk Factors for Transboundary Animal Diseases Along the Tanzania-Zambia Border.

Lysholm, Sara / Lindahl, Johanna F / Munyeme, Musso / Misinzo, Gerald / Mathew, Coletha / Alvåsen, Karin / Dautu, George / Linde, Siri / Mitternacht, Lydia / Olovsson, Emelie / Wilén, Elsa / Berg, Mikael / Wensman, Jonas J

Frontiers in veterinary science

2022 Volume 9, Page(s) 809128

Abstract: Transboundary pathogens pose a threat to livelihood security in countries such as Zambia and Tanzania. This study aimed to investigate the seroprevalence of peste des petits ruminants virus (PPRV), foot and mouth disease virus (FMDV), sheep and goat pox ... ...

Abstract	Transboundary pathogens pose a threat to livelihood security in countries such as Zambia and Tanzania. This study aimed to investigate the seroprevalence of peste des petits ruminants virus (PPRV), foot and mouth disease virus (FMDV), sheep and goat pox virus (SGPV), Rift Valley fever virus (RVFV) and
Language	English
Publishing date	2022-03-11
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2834243-4
ISSN	2297-1769
ISSN	2297-1769
DOI	10.3389/fvets.2022.809128
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Article ; Online: Perceptions and practices among Zambian sheep and goat traders concerning small ruminant health and disease.

Lysholm, Sara / Johansson Wensman, Jonas / Munyeme, Musso / Fischer, Klara

PloS one

2020 Volume 15, Issue 6, Page(s) e0233611

Abstract: Trade in animals and animal products is a key factor in the transmission of infectious diseases. Livestock traders play an important role in this process, yet there is little knowledge of traders' perceptions of animal disease or their associated actions. ...

Abstract	Trade in animals and animal products is a key factor in the transmission of infectious diseases. Livestock traders play an important role in this process, yet there is little knowledge of traders' perceptions of animal disease or their associated actions. The aim of this study was to investigate perceptions and practices of Zambian small ruminant traders with regard to sheep and goat health and disease. It also analysed how existing perceptions and practices might affect risks of disease transmission through trade. A case study was performed at the two largest small livestock markets in Zambia: the Lusaka market in the capital and the Kasumbalesa market near the border with the Democratic Republic of Congo. Semi-structured interviews with 47 traders performed in April-May and September 2018 represent the core material. Zambian small ruminant traders frequently trade animals that have clinical signs of disease, either because they appear unaware or indifferent to the associated risks, experience financial constraints or assign responsibility for disease prevention to other value chain actors. In their decision about whether or not to sell a visibly sick small ruminant, traders appear to consider whether the clinical sign is perceived as 'natural' or the result of an illness, whether the buyer is aware of the animal's health condition, and whether the animal is sold for consumption or breeding purposes. Traders appear to regard the veterinary certificate required to transport small ruminants in Zambia as proof of health, placing the responsibility for potential disease in traded animals on the veterinary authorities. In their description of a model trader, taking good care of and being sensitive to customer needs was emphasized, indicating that an efficient way to encourage traders to change their behaviour is to influence customer demands. In contrast to the focus in previous studies on identifying and filling knowledge gaps, the present study show that lack of knowledge is not central to why traders engage in disease-transmitting behaviour. Greater awareness of other reasons for certain perceptions and practices could lead to the formulation of risk communication strategies and mitigation measures that are relevant for the local context, as well as alternative strategies for changing trader behaviour.
MeSH term(s)	Animal Husbandry/statistics & numerical data ; Animals ; Commerce/statistics & numerical data ; Disease Transmission, Infectious/prevention & control ; Farmers/statistics & numerical data ; Goat Diseases/diagnosis ; Goat Diseases/prevention & control ; Goat Diseases/transmission ; Goats ; Health Knowledge, Attitudes, Practice ; Humans ; Sheep ; Sheep Diseases/diagnosis ; Sheep Diseases/prevention & control ; Sheep Diseases/transmission ; Surveys and Questionnaires/statistics & numerical data ; Zambia
Keywords	covid19
Language	English
Publishing date	2020-06-22
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.0233611
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Genetic parameters of colostrum and calf serum antibodies in Swedish dairy cattle.

Cordero-Solorzano, Juan / de Koning, Dirk-Jan / Tråvén, Madeleine / de Haan, Therese / Jouffroy, Mathilde / Larsson, Andrea / Myrthe, Aline / Arts, Joop A J / Parmentier, Henk K / Bovenhuis, Henk / Wensman, Jonas Johansson

Genetics, selection, evolution : GSE

2022 Volume 54, Issue 1, Page(s) 68

Abstract: Background: A sufficient IgG content in the colostrum is essential for the newborn calf, as it provides passive immunity which substantially affects the probability of survival during rearing. Failure of passive transfer (FPT) occurs when a calf does ... ...

Abstract	Background: A sufficient IgG content in the colostrum is essential for the newborn calf, as it provides passive immunity which substantially affects the probability of survival during rearing. Failure of passive transfer (FPT) occurs when a calf does not absorb enough antibodies from the colostrum and is defined by an IgG concentration in calf serum lower than 10 g/L. Apart from delayed access to colostrum, FPT can be due to a low production of IgG in the mother or poor IgG absorption by the calf. The aim of this study was to estimate the genetic background of antibody levels and indicator traits for antibodies in the colostrum and calf serum, and their correlation with milk production. Results: Colostrum data were available for 1340 dairy cows with at least one calving and calf serum data were available for 886 calves from these cows. Indicator traits for antibody concentrations were estimated using refractometry (a digital Brix refractometer for colostrum and an optical refractometer for serum), and enzyme-linked immunosorbent assays (ELISA) were used to determine the levels of total IgG and natural antibodies (NAb) of various antibody isotypes in the colostrum and calf serum. Colostrum traits had heritabilities ranging from 0.16 to 0.31 with repeatabilities ranging from 0.21 to 0.55. Brix percentages had positive genetic correlations with all colostrum antibody traits including total IgG (0.68). Calf serum antibody concentrations had heritabilities ranging from 0.25 to 0.59, with a significant maternal effect accounting for 17 to 27% of the variance. When later in life calves produced their first lactation, the lactation average somatic cell score was found to be negatively correlated with NAb levels in calf serum. Conclusions: Our results suggest that antibody levels in the colostrum and calf serum can be increased by means of selection.
MeSH term(s)	Pregnancy ; Female ; Cattle/genetics ; Animals ; Colostrum ; Sweden ; Immunoglobulin G ; Lactation ; Refractometry/veterinary ; Animals, Newborn
Chemical Substances	Immunoglobulin G
Language	English
Publishing date	2022-10-22
Publishing country	France
Document type	Journal Article
ZDB-ID	1005838-2
ISSN	1297-9686 ; 0754-0264 ; 0999-193X
ISSN (online)	1297-9686
ISSN	0754-0264 ; 0999-193X
DOI	10.1186/s12711-022-00758-y
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Article: Experiences of Borna Disease Virus infection in Sweden

WENSMAN, JONAS J

APMIS. 2008 June., v. 116, suppl. 124

2008

Language	English
Dates of publication	2008-06
Size	p. 46-49.
Publisher	Blackwell Publishing Ltd
Publishing place	Oxford, UK
Document type	Article
ISSN	0108-0172 ; 0903-465X ; 0903-4641
ISSN	0108-0172 ; 0903-465X ; 0903-4641
DOI	10.1111/j.1600-0463.2008.000m6.x
Database	NAL-Catalogue (AGRICOLA)

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Article: Field-Adapted Full Genome Sequencing of Peste-Des-Petits-Ruminants Virus Using Nanopore Sequencing.

Torsson, Emeli / Kgotlele, Tebogo / Misinzo, Gerald / Johansson Wensman, Jonas / Berg, Mikael / Karlsson Lindsjö, Oskar

Frontiers in veterinary science

2020 Volume 7, Page(s) 542724

Abstract: Peste-des-petits-ruminants virus (PPRV) is currently the focus of a control and eradication program. Full genome sequencing has the opportunity to become a powerful tool in the eradication program by improving molecular epidemiology and the study of ... ...

Abstract	Peste-des-petits-ruminants virus (PPRV) is currently the focus of a control and eradication program. Full genome sequencing has the opportunity to become a powerful tool in the eradication program by improving molecular epidemiology and the study of viral evolution. PPRV is prevalent in many resource-constrained areas, with long distances to laboratory facilities, which can lack the correct equipment for high-throughput sequencing. Here we present a protocol for near full or full genome sequencing of PPRV. The use of a portable miniPCR and MinION brings the laboratory to the field and in addition makes the production of a full genome possible within 24 h of sampling. The protocol has been successfully used on virus isolates from cell cultures and field isolates from tissue samples of naturally infected goats.
Language	English
Publishing date	2020-10-26
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2834243-4
ISSN	2297-1769
ISSN	2297-1769
DOI	10.3389/fvets.2020.542724
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Article ; Online: Crossing the Line

Sara Lysholm / Johanna F. Lindahl / Musso Munyeme / Gerald Misinzo / Coletha Mathew / Karin Alvåsen / George Dautu / Siri Linde / Lydia Mitternacht / Emelie Olovsson / Elsa Wilén / Mikael Berg / Jonas J. Wensman

Frontiers in Veterinary Science, Vol

Seroprevalence and Risk Factors for Transboundary Animal Diseases Along the Tanzania-Zambia Border

2022 Volume 9

Abstract	Transboundary pathogens pose a threat to livelihood security in countries such as Zambia and Tanzania. This study aimed to investigate the seroprevalence of peste des petits ruminants virus (PPRV), foot and mouth disease virus (FMDV), sheep and goat pox virus (SGPV), Rift Valley fever virus (RVFV) and Brucella spp. in sheep and goats along the Tanzania-Zambia border. Another aim was to assess the association between certain predictor variables and seroprevalence, focusing on trade and proximity to an international border, to a town and to the Tanzania-Zambia highway. During September-October 2018, 486 serum samples from small ruminants in Zambia and 491 in Tanzania were collected and analyzed using enzyme-linked immunosorbent assays (ELISA). A questionnaire focused on management strategies was administered to each household. The animal-level seroprevalence in Zambia was 0.21% [95% confidence interval (CI) (0.01–1.14) for PPRV, 1.03% (95% CI 0.33–2.39) for FMDV, 0% (95% CI 0–0.76) for SGPV, 2.26% (95% CI 1.14–4.01) for RVFV and 1.65% (95% CI 0.71–3.22) for Brucella spp.]. In Tanzania, animal-level seroprevalence was 2.85% (95% CI 1.57–4.74) for PPRV, 16.9% (95% CI 13.7–20.5) for FMDV, 0.20% (95% CI 0.01–1.13) for SGPV, 3.26% (95% CI 1.87–5.24) for RVFV and 20.0% (95% CI 14.5–26.5) for Brucella spp. For PPRV (OR 6.83, 95% CI 1.37–34.0, p = 0.019) and FMDV (OR 5.68, 95% CI 1.58–20.3, p = 0.008), herds situated more than 30 km from an international border were more likely to be seropositive, while being located 10–30 km (OR 4.43, 95% CI 1.22–16.1 p = 0.024) from a border was identified as a risk factor for Brucella spp. For FMDV (OR 79.2, 95% CI 4.52–1388.9, p = 0.003), being situated within 30 km from a town was associated with seropositivity. Furthermore, contact with wild ruminants (OR 18.2, 95% CI 1.36–244), and the presence of sheep in the household (OR 5.20, 95% CI 1.00–26.9, p = 0.049), was associated with seropositivity for PPRV, and FMDV. No significant associations between trade or distance to the Tan-Zam ...
Keywords	brucellosis ; foot and mouth disease ; peste des petits ruminants ; Rift Valley fever ; sheep and goat pox ; seroprevalence ; Veterinary medicine ; SF600-1100
Subject code	630
Language	English
Publishing date	2022-03-01T00:00:00Z
Publisher	Frontiers Media S.A.
Document type	Article ; Online
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Article ; Online: Erratum to: Ability of vaccine strain induced antibodies to neutralize field isolates of caliciviruses from Swedish cats.

Wensman, Jonas Johansson / Samman, Ayman / Lindhe, Anna / Thibault, Jean-Christophe / Berndtsson, Louise Treiberg / Hosie, Margaret J

Acta veterinaria Scandinavica

2016 Volume 58, Page(s) 14

Language	English
Publishing date	2016-02-17
Publishing country	England
Document type	Published Erratum
ZDB-ID	40137-7
ISSN	1751-0147 ; 0044-605X
ISSN (online)	1751-0147
ISSN	0044-605X
DOI	10.1186/s13028-016-0194-7
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Article ; Online: Corrigendum to 'Evolutionary genetics of canine respiratory coronavirus and recent introduction into Swedish dogs' [Infection, Genetics and Evolution, Volume 82, August 2020, 104290].

Wille, Michelle / Wensman, Jonas Johansson / Larsson, Simon / van Damme, Renaud / Theelke, Anna-Karin / Hayer, Juliette / Malmberg, Maja

Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases

2021 Volume 96, Page(s) 105094

Language	English
Publishing date	2021-10-06
Publishing country	Netherlands
Document type	Published Erratum
ZDB-ID	2037068-4
ISSN	1567-7257 ; 1567-1348
ISSN (online)	1567-7257
ISSN	1567-1348
DOI	10.1016/j.meegid.2021.105094
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