Epidemiological features and financial loss due to clinically diagnosed Haemorrhagic Septicemia in bovines in Karnataka, India
Publication date: 1 September 2017 Source:Preventive Veterinary Medicine, Volume 144 Author(s): G. Govindaraj, P. Krishnamoorthy, K.R. Nethrayini, R. Shalini, H. Rahman The epidemiological features and financial losses due to Haemorrhagic Septicemia (HS) in bovines were studied in Karnataka state using the primary data collected from 133 clinically diagnosed HS affected farms. The various losses due to HS and the Benefit- Cost of the vaccination programme in cattle and water buffaloes were studied using mathematical models. The number of HS outbreaks were higher during the year 2002 and peaked during 2005 and thereafter d...
Source: Preventive Veterinary Medicine - June 12, 2017 Category: Veterinary Research Source Type: research

Maximum entropy modeling risk of Anthrax in the Republic of Kazakhstan
The objective of this study was to zone the territory of the Republic of Kazakhstan (RK) into risk categories according to the probability of anthrax emergence in farm animals as stipulated by the re-activation of preserved natural foci. We used historical data on anthrax morbidity in farm animals during the period 1933 − 2014, collected by the veterinary service of the RK. The database covers the entire territory of the RK and contains 4058 anthrax outbreaks tied to 1798 unique locations. Considering the strongly pronounced natural focality of anthrax, we employed environmental niche modeling (Maxent) to reveal patt...
Source: Preventive Veterinary Medicine - June 10, 2017 Category: Veterinary Research Source Type: research

Quantitative assessment of social and economic impact of African swine fever outbreaks in northern Uganda
The objective of this study was therefore to investigate the socio-economic impact of ASF outbreaks at household level in northern Uganda. In a longitudinal study, structured interviews with two hundred, randomly selected, pig-keeping households were undertaken three times with a six month interval. Questions related to family and pig herd demographics, pig trade and pig business. Associations between ASF outbreaks and economic and social impact variables were evaluated using linear regression models. The study showed that pigs were kept in extreme low-input-low-output farming systems involving only small monetary investme...
Source: Preventive Veterinary Medicine - June 9, 2017 Category: Veterinary Research Source Type: research

Prevalence and risk factors for transition period diseases in grazing dairy cows in Brazil
Publication date: Available online 9 June 2017 Source:Preventive Veterinary Medicine Author(s): Rolnei R. Daros, Maria J. Hötzel, Jose A. Bran, Stephen J. LeBlanc, Marina A.G. von Keyserlingk The aim of this cross-sectional study was to describe the incidence risk of dystocia, retained placenta (RP), pathological recumbence (down cow), the prevalence of metritis and subclinical ketosis (SCK), and the risk factors for SCK, metritis, and RP in grazing dairy herds in Southern Brazil. Fifty-three herds were visited 2 to 6 times from February to October of 2015. Body condition score (BCS), breed, days in milk (DIM), parit...
Source: Preventive Veterinary Medicine - June 9, 2017 Category: Veterinary Research Source Type: research

Effect of immunologic solutions on sows and gilts on time to stability, and production losses in breeding herds infected with 1-7-4 PRRSv
This study provided additional information to assist veterinarians deciding between methods of exposure to manage PRRSv infection from breeding herds. (Source: Preventive Veterinary Medicine)
Source: Preventive Veterinary Medicine - June 6, 2017 Category: Veterinary Research Source Type: research

Detection Accuracy of Renibacterium salmoninarum in Chinook salmon, Oncorhynchus tshawytscha (Walbaum) from Non-lethally Collected Samples: Effects of Exposure Route and Disease Severity
In this study, non-lethal sampling methods were evaluated for their ability to detect R. salmoninarum in Chinook salmon (Oncorhynchus tshawytscha) that were experimentally infected via two different routes (e.g., intraperitoneal injection and waterborne immersion) to mimic acute and chronic disease courses. Non-lethal (e.g., blood, mucus, and a urine/feces mixture) and lethal (e.g., kidney and spleen homogenate) samples were collected from challenged and mock-challenged Chinook salmon and the presence of R. salmoninarum was assessed by culture on modified kidney disease medium, nested polymerase chain reaction (nPCR), and ...
Source: Preventive Veterinary Medicine - June 6, 2017 Category: Veterinary Research Source Type: research

Risk factors for underweight and overweight in cats in metropolitan Sydney, Australia
Publication date: Available online 3 June 2017 Source:Preventive Veterinary Medicine Author(s): Kendy T. Teng, Paul D. McGreevy, Jenny-Ann L.M.L. Toribio, David Raubenheimer, Kim Kendall, Navneet K. Dhand Obesity is regarded as one of the most significant welfare issues in companion animals. Some risk factors affecting body condition in cats have been determined, but many remain controversial. The current study aimed to investigate the risk factors for overweight and underweight in cats in metropolitan Sydney. Electronic patient records for 11 years (2005–2015) were acquired from a feline primary practice in metropo...
Source: Preventive Veterinary Medicine - June 4, 2017 Category: Veterinary Research Source Type: research

Impact of FMD outbreak on milk production and heifers ’ growth on a dairy herd in southern Iran
In conclusion, we observed a negative impact of FMD outbreak on milk production and heifers’ growth in study herd. The impact on daily milk production was less than the values reported previously. This difference could be attributed at least partly to differences in livestock genetics and management practices. Lower growth rate of heifers after the outbreak period could potentially extend the age at first calving. It is suggested that farmers are educated on awareness and preparation for infectious disease outbreaks and to practice good management routines that could potentially reduce the economic impact of these di...
Source: Preventive Veterinary Medicine - June 4, 2017 Category: Veterinary Research Source Type: research

Understanding animal health communication networks among smallholder livestock producers in Australia using stakeholder analysis
Publication date: Available online 2 June 2017 Source:Preventive Veterinary Medicine Author(s): L. Hayes, R. Woodgate, L. Rast, J-A.L.M.L. Toribio, M. Hernández-Jover Smallholder livestock producers are a diverse population with wide ranging motivations for keeping livestock. The biosecurity risk posed by smallholders has been the subject of much conjecture, with comparisons often made between the level of animal health and biosecurity knowledge of smallholders, versus that of commercial livestock producers. This research aimed to gain a better understanding of current knowledge of smallholder production in Austral...
Source: Preventive Veterinary Medicine - June 3, 2017 Category: Veterinary Research Source Type: research

Spatial dynamics of porcine epidemic diarrhea (PED) spread in the southern Kyushu, Japan
The objective of the study here was to assess the spatial dynamics of PED spread during the 8 months of the epidemic in the southern part of Kyushu between December 2013, the month observed first case in the studied region, and July 2014. Information on location and capacity of all farms in the prefectures (n=1,269) was obtained from a government database containing demographic information for livestock producers. Additionally, data on PED detection (positive or negative) was obtained from the regional Livestock Hygiene Service Center. The Cuzick-Edwards (CE) test, the Knox test, the directional test, and the permutation m...
Source: Preventive Veterinary Medicine - June 3, 2017 Category: Veterinary Research Source Type: research

Influence of true within-herd prevalence of small ruminant lentivirus infection in goats on agreement between serological immunoenzymatic tests
Publication date: Available online 30 May 2017 Source:Preventive Veterinary Medicine Author(s): Michał Czopowicz, Olga Szaluś-Jordanow, Marcin Mickiewicz, Agata Moroz, Lucjan Witkowski, Iwona Markowska-Daniel, Emilia Bagnicka, Jarosław Kaba The study was conducted to evaluate influence of the true within-herd prevalence of small ruminant lentivirus (SRLV) infection on agreement beyond chance between three different types of commercial serological ELISAs. Blood samples were collected from 865 goats from 12 dairy goat herds. Serum samples were tested using three commercial ELISA kits: whole-virus indirect ELISA (wELISA),...
Source: Preventive Veterinary Medicine - May 31, 2017 Category: Veterinary Research Source Type: research

Quantitative and qualitative analysis of antimicrobial usage in white veal calves in France
Publication date: Available online 30 May 2017 Source:Preventive Veterinary Medicine Author(s): N. Jarrige, G. Cazeau, E. Morignat, M. Chanteperdrix, E. Gay The development of antimicrobial resistance has made it necessary to measure antimicrobial usage in animal production sectors. France is a major European producer of white veal calves, but few data were previously available for that sector, even though these young animals are particularly susceptible to infection and considered as a reservoir of antimicrobial resistance. A cross-sectional study was conducted on 186 batches of French calves to estimate the exposure of ...
Source: Preventive Veterinary Medicine - May 30, 2017 Category: Veterinary Research Source Type: research

VacciCost – A tool to estimate the resource requirements for implementing livestock vaccination campaigns. Application to peste des petits ruminants (PPR) vaccination in Senegal
Publication date: 1 September 2017 Source:Preventive Veterinary Medicine, Volume 144 Author(s): Damian Tago, Baba Sall, Renaud Lancelot, Jennifer Pradel Vaccination is one of the main tools currently available to control animal diseases. In eradication campaigns, vaccination plays a crucial role by reducing the number of susceptible hosts with the ultimate goal of interrupting disease transmission. Nevertheless, mass vaccination campaigns may be very expensive and in some cases unprofitable. VacciCost is a tool designed to help decision-makers in the estimation of the resources required to implement mass livestock vaccina...
Source: Preventive Veterinary Medicine - May 26, 2017 Category: Veterinary Research Source Type: research

Economic evaluation of the eradication program for bovine viral diarrhea in the Swiss dairy sector
Publication date: Available online 22 May 2017 Source:Preventive Veterinary Medicine Author(s): B. Thomann, A. Tschopp, I. Magouras, M. Meylan, G. Schüpbach-Regula, B. Häsler Since 2008, the Swiss veterinary service has been running a mandatory eradication program for Bovine Viral Diarrhea (BVD) that is focused on detecting and eliminating persistently infected (PI) animals. Detection was initially based on antigen testing from ear tag samples of the entire cattle population, followed by antigen testing of all newborn calves until 2012. Since then, bulk milk serology (dairy herds) and blood sample serology (beef...
Source: Preventive Veterinary Medicine - May 23, 2017 Category: Veterinary Research Source Type: research

A protocol to identify and minimise selection and information bias in abattoir surveys estimating prevalence, using Fasciola hepatica as an example.
Publication date: Available online 23 May 2017 Source:Preventive Veterinary Medicine Author(s): Rebecca I. Carroll, Andrew Forbes, David A. Graham, Locksley L.McV. Messam Abattoir surveys and findings from post-mortem meat inspection are commonly used to estimate infection or disease prevalence in farm animal populations. However, the function of an abattoir is to slaughter animals for human consumption, and the collection of information on animal health for research purposes is a secondary objective. This can result in methodological shortcomings leading to biased prevalence estimates. Selection bias can occur when the s...
Source: Preventive Veterinary Medicine - May 23, 2017 Category: Veterinary Research Source Type: research

Contextual Herd Factors Associated with Cow Culling Risk in Qu ébec Dairy Herds: A Multilevel Analysis
The objective of this study was to investigate the effect of cow- and herd-level determinants on variations in culling risk in Québec dairy herds: whether herd influences a cow's culling risk. For this, we assessed the influence of herd membership on cow culling risk according to displaced abomasum, milk fever, and retained placenta. A retrospective longitudinal study was conducted on data from dairy herds in the Province of Québec, Canada, by extracting health information events from the dairy herd health management software used by most Québec dairy producers and their veterinarians. Data were extrac...
Source: Preventive Veterinary Medicine - May 17, 2017 Category: Veterinary Research Source Type: research

Prediction of Streptococcus uberis clinical mastitis risk using Matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS) in dairy herds
Publication date: Available online 17 May 2017 Source:Preventive Veterinary Medicine Author(s): Simon C. Archer, Andrew J. Bradley, Selin Cooper, Peers L. Davies, Martin J. Green The purpose of this study was to evaluate whether the risk of Streptococcus uberis clinical mastitis at cow level could be predicted from the historical presence of specific strains of S. uberis on dairy farms. Matrix-assisted laser desorption ionization time of flight mass spectrometry was used to identify S. uberis isolates potentially capable of contagious transmission. Data were available from 10,652 cows from 52 English and Welsh dairy farms...
Source: Preventive Veterinary Medicine - May 17, 2017 Category: Veterinary Research Source Type: research

A matched case-control study comparing udder health, production and fertility parameters in dairy farms before and after the eradication of Bovine Virus Diarrhoea in Switzerland
The objective of the present study was to assess the effects of BVD eradication on different parameters of animal health, production and fertility in Swiss dairy herds which had completed the eradication programme. A matched case-control study was carried out using data from two periods, before (Period 1) and after (Period 2) the active phase of eradication. Case farms had at least two PI animals detected before or during the eradication; controls were BVD-free and matched for region, herd size and use of alpine pasture. A total of 110 farmers (55 pairs) were recruited. During a phone interview, a questionnaire about farm ...
Source: Preventive Veterinary Medicine - May 17, 2017 Category: Veterinary Research Source Type: research

Early-life risk factors identified for owner-reported feline overweight and obesity at around two years of age
This study used prospective data from a longitudinal study of pet cats (‘C.L.A.W.S.’, www.bristol.ac.uk/vetscience/claws) to identify early-life risk factors for feline overweight/obesity occurring at around two years of age. Data were collected via five owner-completed questionnaires (for cats aged two–six months, six months, 12 months, 18 months and two years respectively) completed between May 2011 and April 2015. Owner-reported body condition scores (BCS) of cats at age two years, assessed using images from the 9-point BCS system (Laflamme, 1997), were categorised into a dichotomous variable: overweig...
Source: Preventive Veterinary Medicine - May 16, 2017 Category: Veterinary Research Source Type: research

Benchmarking of pluck lesions at slaughter as a health monitoring tool for pigs slaughtered at 170kg (heavy pigs)
Publication date: Available online 13 May 2017 Source:Preventive Veterinary Medicine Author(s): Annalisa Scollo, Flaviana Gottardo, Barbara Contiero, Claudio Mazzoni, Philippe Leneveu, Sandra A. Edwards Abattoir post-mortem inspections offer a useful tool for the development and monitoring of animal health plans and a source of data for epidemiological investigation. The aim of the present work was to develop an abattoir benchmarking system which provides feedback on the prevalence and severity of lesions of the pluck (lung, pleura and liver) in batches of pigs to inform individual producers and their veterinarians of the...
Source: Preventive Veterinary Medicine - May 14, 2017 Category: Veterinary Research Source Type: research

A questionnaire study of associations between potential risk factors and salmonella status in Swedish dairy herds.
In this study associations between potential risk factors and salmonella status in Swedish dairy herds were investigated. A case-control study design was used, including existing as well as new cases. Herds were assigned a salmonella status on the basis of antibody analysis of bulk milk samples. Information on potential risk factors was collected from registry data and from farmers via a questionnaire. Univariable and multivariable logistic regression analyses were used to investigate associations between salmonella status and potential risk factors. In addition, multivariate analysis with Additive Bayesian Network (ABN) m...
Source: Preventive Veterinary Medicine - May 14, 2017 Category: Veterinary Research Source Type: research

Comparison of bacterial culture and qPCR testing of rectal and pen floor samples as diagnostic approaches to detect enterotoxic Escherichia coli in nursery pigs
Publication date: Available online 12 May 2017 Source:Preventive Veterinary Medicine Author(s): N.R. Weber, J.P. Nielsen, C.K. Hjulsager, S.E. Jorsal, S. Haugegaard, C.F. Hansen, K.S. Pedersen (Source: Preventive Veterinary Medicine)
Source: Preventive Veterinary Medicine - May 13, 2017 Category: Veterinary Research Source Type: research

Testing of milk replacers for Mycobacterium avium subsp. paratuberculosis by PCR and bacterial culture as a possible source for Johne's disease (paratuberculosis) in calves
The objective of this study was to test milk replacers for calves for the presence of MAP by bacteriological culture and PCR. Therefore, commercially available milk replacers for calves were purchased from 15 different companies. All of the products were tested for MAP by solid culture and Real Time quantitative PCR (qPCR) targeting IS900 and F57. During the present study, MAP could not be detected by qPCR or solid culture in commercially available milk replacers for calf rearing. The results of the present study underpins that the use of milk replacers for calf rearing might contribute to the reduction of MAP intake by ca...
Source: Preventive Veterinary Medicine - May 13, 2017 Category: Veterinary Research Source Type: research

VacciCost –A tool to estimate the resource requirements for implementing livestock vaccination campaigns. Application to peste des petits ruminants (PPR) vaccination in Senegal
Publication date: Available online 13 May 2017 Source:Preventive Veterinary Medicine Author(s): Damian Tago, Baba Sall, Renaud Lancelot, Jennifer Pradel Vaccination is one of the main tools currently available to control animal diseases. In eradication campaigns, vaccination plays a crucial role by reducing the number of susceptible hosts with the ultimate goal of interrupting disease transmission. Nevertheless, mass vaccination campaigns may be very expensive and in some cases unprofitable. VacciCost is a tool designed to help decision-makers in the estimation of the resources required to implement mass livestock vaccina...
Source: Preventive Veterinary Medicine - May 13, 2017 Category: Veterinary Research Source Type: research

Characterization of the epidemiology of bat-borne rabies in Chile between 2003 and 2013
Publication date: Available online 12 May 2017 Source:Preventive Veterinary Medicine Author(s): Raul Alegria-Moran, Daniela Miranda, Matt Barnard, Alonso Parra, Lisette Lapierre Rabies is a zoonotic disease of great impact to public health. According to the World Health Organization, the country of Chile is currently declared free from human rabies transmitted by dogs. An epidemiological characterization and description was conducted using rabies data from 2003 to 2013 held by the National Program for Prevention and Control of Rabies from the Ministry of Health, consisting of bats samples reported as suspect and samples t...
Source: Preventive Veterinary Medicine - May 12, 2017 Category: Veterinary Research Source Type: research

Monitoring of the newborn dog and prediction of neonatal mortality
This study was thus designed to measure and to characterize factors of variation of six health parameters in dog neonates, and to evaluate their value as predictors of neonatal mortality. A total of 347 purebred puppies under identical conditions of housing and management were examined within the first 8h after birth and then at Day 1. The first health evaluation included Apgar score, weight, blood glucose, lactate and β-hydroxybutyrate concentration, rectal temperature and urine specific gravity (SG). The second evaluation at Day 1 included the same parameters, excluding Apgar score and weight. The mortality rate ove...
Source: Preventive Veterinary Medicine - May 11, 2017 Category: Veterinary Research Source Type: research

Herd-level seroprevalence and associated risk factors for bovine cysticercosis in the State of Para íba, Northeastern Brazil
This study focused on estimating the herd-level and animal-level prevalences, and identifying risk factors associated with bovine cysticercosis in the State of Paraíba, Northeastern Brazil. The state was divided into three sampling strata: Sertao, Borborema and Zona da Mata/Agreste. For each sampling stratum, herd-level and animal-level prevalences were estimated by a two-stage sampling survey. First, a pre-established number of herds (primary sampling units) were randomly selected; second, within each herd a pre-established number of cows aged≥24months were systematically selected (secondary sampling units). Ten...
Source: Preventive Veterinary Medicine - May 11, 2017 Category: Veterinary Research Source Type: research

Dairy cow disability weights
The objective of this study was to use an international survey of dairy authorities to derive disability weights for primary disease categories recorded on dairies. National and international dairy health and management authorities were contacted through professional organizations, dairy industry publications and conferences, and industry contacts. Estimates of minimum, most likely, and maximum disability weights were derived for 12 common dairy cow diseases. Survey participants were asked to estimate the impact of each disease on overall health and milk production. Diseases were classified from 1 (minimal adverse effects)...
Source: Preventive Veterinary Medicine - May 10, 2017 Category: Veterinary Research Source Type: research

A Scoping Review of Published Research on the Population Dynamics and Control Practices of Companion Animals
Publication date: Available online 10 May 2017 Source:Preventive Veterinary Medicine Author(s): Aileigh Kay, Jason B. Coe, David Pearl, Ian Young Companion animal population dynamics is a global, diverse issue that can affect society in multiple ways, including impacts on public health, environmental destruction and shelter management. The purpose of this scoping review was to use structured and transparent methods to identify all published research investigating companion animal population dynamics and/or control practices. A comprehensive search strategy was implemented using five online databases (i.e., PubMed, CAB Dir...
Source: Preventive Veterinary Medicine - May 10, 2017 Category: Veterinary Research Source Type: research

Attitudes towards worm egg counts and targeted selective treatment against equine cyathostomins
Publication date: Available online 6 May 2017 Source:Preventive Veterinary Medicine Author(s): H. Rose Vineer, F. Vande Velde, K. Bull, E. Claerebout, E.R. Morgan Gastrointestinal nematodes present a major threat to the health and welfare of equids worldwide. Anthelmintic resistance (AR) is increasingly reported and challenges effective control in horses and ponies in many regions. The use of faecal worm egg counts (FECs) to support targeted treatment (FEC-TT) and targeted selective treatment (FEC-TST) has been promoted as an effective deworming strategy that may prolong the useful life of anthelmintics and reduce the cos...
Source: Preventive Veterinary Medicine - May 8, 2017 Category: Veterinary Research Source Type: research

Schmallenberg virus: predicting within-herd seroprevalence using bulk-tank milk antibody titres and exploring individual animal antibody titres using empirical distribution functions (EDF)
The objectives of this study were: (1) determine the correlation between bulk-tank milk (BTM)-ELISA results and within-herd seroprevalence, (2) evaluate the ability of BTM-ELISA results to predict within-herd seroprevalence and (3) explore the distributions of individual animal serology results using novel statistical methodology. BTM samples (n=24) and blood samples (n=4019) collected from all lactating cows contributing to the BTM in 26 Irish dairy herds (58-444 cows/herd)in 2014 located in a region exposed to SBV in 2012/2013, were analysed for SBV-specific antibodies using IDVet® ELISA kits. The correlation between...
Source: Preventive Veterinary Medicine - May 8, 2017 Category: Veterinary Research Source Type: research

Cefotaxime-resistant E. coli in dairy and beef cattle farms —Joint analyses of two cross-sectional investigations in Germany
Publication date: Available online 3 May 2017 Source:Preventive Veterinary Medicine Author(s): Katja Hille, Inga Ruddat, Annette Schmid, Johanna Hering, Maria Hartmann, Christiane von Münchhausen, Bettina Schneider, Ute Messelhäusser, Anika Friese, Rolf Mansfeld, Annemarie Käsbohrer, Stefan Hörmansdorfer, Uwe Roesler, Lothar Kreienbrock Resistance to third-generation cephalosporins and other beta-lactam antibiotics is of major concern for animal and human health. Knowledge of the prevalence of resistant bacteria in primary production is an important element to estimate transmission along the stages in ...
Source: Preventive Veterinary Medicine - May 4, 2017 Category: Veterinary Research Source Type: research

Prevalence and Associated Risk Factors of Haemoparasites, and Their Effects on Hematological Profile in Domesticated Chickens in District Layyah, Punjab, Pakistan
Publication date: Available online 1 May 2017 Source:Preventive Veterinary Medicine Author(s): Muhammad Ali-ul-Husnain Naqvi, Muhammad Kasib Khan, Zafar Iqbal, Hafiz Muhammad Rizwan, Muhammad Nisar Khan, Sana Zahra Naqvi, Arsalan Zafar, Zia-ud-Din Sandhu, Rao Zahid Abbas, Asghar Abbas Several haemoparasites commonly infect avian species, including chicken that significantly decline productivity and ultimately lead to high mortality rate. The current study was designed to assess the prevalence and associated risk factors of haemoparasites in domesticated chicken in and around District Layyah, Punjab Province, Pakistan. For...
Source: Preventive Veterinary Medicine - May 2, 2017 Category: Veterinary Research Source Type: research

‘Snorkel’ lice barrier technology reduced two co- occurring parasites, the salmon louse (Lepeophtheirus salmonis) and the amoebic gill disease causing agent (Neoparamoeba perurans), in commercial salmon sea-cages
Publication date: 1 May 2017 Source:Preventive Veterinary Medicine, Volume 140 Author(s): D.W. Wright, L.H. Stien, T. Dempster, T. Vågseth, V. Nola, J.-E. Fosseidengen, F. Oppedal Diverse chemical-free parasite controls are gaining status in Atlantic salmon sea-cage farming. Yet, the intricacies of their use at commercial scale, including effects on co-occurring parasites, are seldom reported. A new salmon lice prevention method involves installing a deep net roof and ‘snorkel’ lice barrier in cages to shelter salmon from free-living infective larvae which concentrate at shallow depths, and allows salmon...
Source: Preventive Veterinary Medicine - May 2, 2017 Category: Veterinary Research Source Type: research

“We’ve learned to live with it”—A qualitative study of Australian horse owners’ attitudes, perceptions and practices in response to Hendra virus
Publication date: 1 May 2017 Source:Preventive Veterinary Medicine, Volume 140 Author(s): Anke K. Wiethoelter, Kate Sawford, Nicole Schembri, Melanie R. Taylor, Navneet K. Dhand, Barbara Moloney, Therese Wright, Nina Kung, Hume E. Field, Jenny-Ann L.M.L. Toribio Hendra virus causes sporadic zoonotic disease in Australia following spill over from flying foxes to horses and from horses to people. Prevention and risk mitigation strategies such as vaccination of horses or biosecurity and property management measures are widely publicised, but hinge on initiative and action taken by horse owners as they mediate management, car...
Source: Preventive Veterinary Medicine - May 2, 2017 Category: Veterinary Research Source Type: research

Revisiting an old disease? Risk factors for bovine enzootic haematuria in the Kingdom of Bhutan
This study identified two husbandry practices that could be modified to reduce the risk of BEH in Bhutanese cattle. Avoiding the use of bracken fern as bedding is desirable, however, if fern is the only available material, it should be harvested during the colder months of the year. Improving access to alternative fodder crops will reduce the need for householders to rely on free-grazing as the main source of metabolisable energy for cattle during the spring. Graphical abstract (Source: Preventive Veterinary Medicine)
Source: Preventive Veterinary Medicine - May 2, 2017 Category: Veterinary Research Source Type: research

Repeated isolation of virulent Newcastle disease viruses in poultry and captive non-poultry avian species in Pakistan from 2011 to 2016
Publication date: Available online 29 April 2017 Source:Preventive Veterinary Medicine Author(s): Abdul Wajid, Kiril M. Dimitrov, Muhammad Wasim, Shafqat Fatima Rehmani, Asma Basharat, Tasra Bibi, Saima Arif, Tahir Yaqub, Muhammad Tayyab, Mustafa Ababneh, Poonam Sharma, Patti J. Miller, Claudio L. Afonso Virulent viruses of the panzootic Newcastle disease virus of sub-genotype VIIi were repeatedly isolated (2011-2016) from commercial chickens and from multiple non-poultry avian species in Pakistan. These findings provide evidence for the existence of epidemiological links between Newcastle disease outbreaks in commercial ...
Source: Preventive Veterinary Medicine - April 30, 2017 Category: Veterinary Research Source Type: research

Assessment of hygienic conditions of live bird markets on avian influenza in Chittagong metro, Bangladesh
Publication date: Available online 30 April 2017 Source:Preventive Veterinary Medicine Author(s): Abu Sayeed, Casey Smallwood, Tasneem Imam, Rashed Mahmud, Rubyath Binte Hasan, Mahmudul Hasan, M. Sawkat Anwer, Harun Rashid, Ahasanul Hoque Live Bird Markets (LBMs) in Asian countries are considered as hubs for the spread and maintenance of different infectious diseases. In Bangladesh, LBMs are the major source of live and dressed poultry to consumers and until now only a few studies have been conducted targeting infectious agent status such as avian influenza virus (AIV) prevalence of LBMs in Bangladesh. Therefore, a cross ...
Source: Preventive Veterinary Medicine - April 30, 2017 Category: Veterinary Research Source Type: research

Estimate of the economic impact of mastitis: a case study in a Holstein dairy herd under tropical conditions
Publication date: Available online 28 April 2017 Source:Preventive Veterinary Medicine Author(s): Juliana L.B. Guimarães, Maria A.V.P. Brito, Carla C. Lange, Márcio R. Silva, João B. Ribeiro, Letícia C. Mendonça, Juliana F.M. Mendonça, Guilherme N. Souza The aim of this study was to estimate the economic impact of mastitis at the herd level and the weight (percent) of the components of this impact in a Holstein dairy herd under tropical conditions. Three estimates of the economic impact of mastitis were performed. In estimates 1 and 2 the real production and economic indices from ...
Source: Preventive Veterinary Medicine - April 29, 2017 Category: Veterinary Research Source Type: research

A cross-sectional field study on potential associations between feed quality measures and usage of antimicrobials in commercial mink (Neovison vison)
The objective of this study was to investigate the potential effect of specific feed parameters on antimicrobial use on herd level. The study was cross-sectional, including 1472 mink herds, responsible for 97% of oral antimicrobials prescribed for Danish mink during the study period, 2012-2014. Data were obtained from the national veterinary prescription database (VetStat), Kopenhagen Fur database, and the Voluntary Feed Control (Mink producers Organization). All feed batches subject to feed control were included. A multi-variable variance analysis was carried out analysing the effect of the feed parameters total volatile ...
Source: Preventive Veterinary Medicine - April 29, 2017 Category: Veterinary Research Source Type: research

Cost of porcine reproductive and respiratory syndrome virus at individual farm level – an economic disease model
Publication date: Available online 27 April 2017 Source:Preventive Veterinary Medicine Author(s): H. Nathues, P. Alarcon, J. Rushton, R. Jolie, K. Fiebig, M. Jimenez, V. Geurts, C. Nathues Porcine reproductive and respiratory syndrome (PRRS) is reported to be among the diseases with the highest economic impact in modern pig production worldwide. Yet, the economic impact of the disease at farm level is not well understood as, especially in endemically infected pig herds, losses are often not obvious. It is therefore difficult for farmers and veterinarians to appraise whether control measures such as virus elimination or va...
Source: Preventive Veterinary Medicine - April 28, 2017 Category: Veterinary Research Source Type: research

Canine leptospirosis in Switzerland —A prospective cross-sectional study examining seroprevalence, risk factors and urinary shedding of pathogenic leptospires
Publication date: Available online 26 April 2017 Source:Preventive Veterinary Medicine Author(s): Alessandro Delaude, Sabrina Rodriguez-Campos, Anou Dreyfus, Michel Jacques Counotte, Thierry Francey, Ariane Schweighauser, Sophie Lettry, Simone Schuller Leptospirosis is an important worldwide zoonosis. While human leptospirosis remains rare in Switzerland, the incidence of canine leptospirosis is unusually high compared to other European countries. The aims of this cross-sectional study were to determine the exposure of asymtomatic dogs to pathogenic Leptospira in Switzerland, to characterise risk factors associated with s...
Source: Preventive Veterinary Medicine - April 27, 2017 Category: Veterinary Research Source Type: research

Assessment of concurrent infection with bovine viral diarrhoea virus (BVDV) and Mycobacterium bovis: a herd-level risk factor analysis from Northern Ireland
Publication date: Available online 26 April 2017 Source:Preventive Veterinary Medicine Author(s): A.W. Byrne, M. Guelbenzu-Gonzalo, S.A.J. Strain, S. McBride, J. Graham, A. Lahuerta-Marin, R. Harwood, D.A. Graham, S. McDowell Bovine viral diarrhoea virus (BVDV) is a significant pathogen of cattle, leading to severe economic and animal-welfare impacts. Furthermore, the pathogen has been associated with impacting the progression or spread of other pathogens (e.g. Mycobacterium bovis, the causative agent of bovine tuberculosis (bTB)). During this study we investigated (i) risk factors for BVDV at a herd-level and (ii) whethe...
Source: Preventive Veterinary Medicine - April 27, 2017 Category: Veterinary Research Source Type: research

Patterns of calving and young stock movement in Ireland and their implications for BVD serosurveillance
Publication date: Available online 20 April 2017 Source:Preventive Veterinary Medicine Author(s): Jamie A. Tratalos, David Graham, Simon More The Republic of Ireland has a national eradication programme for bovine viral diarrhoea virus (BVDv) based on tissue-tag testing of calves to identify persistently infected animals (PIs). It has been proposed that serological testing of a sample of home-bred young stock would be a more cost effective surveillance mechanism than continued tissue-tag testing in herds which have previously been found to be BVD-free. These animals would have to be at least 6 months of age to avoid inter...
Source: Preventive Veterinary Medicine - April 21, 2017 Category: Veterinary Research Source Type: research

Estimating population density for disease risk assessment: the importance of understanding the area of influence of traps using wild pigs as an example
Publication date: Available online 20 April 2017 Source:Preventive Veterinary Medicine Author(s): Amy J. Davis, Bruce Leland, Michael Bodenchuk, Kurt C. VerCauteren, Kim M. Pepin Population density is a key driver of disease dynamics in wildlife populations. Accurate disease risk assessment and determination of management impacts on wildlife populations requires an ability to estimate population density alongside management actions. A common management technique for controlling wildlife populations to monitor and mitigate disease transmission risk is trapping (e.g., box traps, corral traps, drop nets). Although abundance ...
Source: Preventive Veterinary Medicine - April 21, 2017 Category: Veterinary Research Source Type: research

Effect of vaccination against sub-clinical Porcine Circovirus type 2 infection in a high-health finishing pig herd: a randomised clinical field trial
In conclusion, in this herd without respiratory co-infections and with moderate viral loads of PCV2, vaccination significantly reduced the prevalence and viral load of PCV2-positive pigs, but had no significant impact on feed conversion ratio or antimicrobial consumption. (Source: Preventive Veterinary Medicine)
Source: Preventive Veterinary Medicine - April 16, 2017 Category: Veterinary Research Source Type: research

“Catch 22”: Biosecurity awareness, interpretation and practice amongst poultry catchers
This study uses a mixed methods approach to investigate catchers’ (n=53) understanding of the biosecurity threats posed by the catching and thinning, and the barriers to good biosecurity practice. It interrogated the role of training in both the awareness and practice of good biosecurity. Awareness of lapses in biosecurity was assessed using a Watch-&-Click hazard awareness survey (n=53). Qualitative interviews (n=49 catchers, 5 farm managers) explored the understanding, experience and practice of catching and biosecurity. All of the catchers who took part in the Watch-&-Click study identified at leas...
Source: Preventive Veterinary Medicine - April 15, 2017 Category: Veterinary Research Source Type: research

Johne ’s Disease in the eyes of Irish cattle farmers: a qualitative narrative research approach to understanding implications for disease management
Publication date: Available online 8 April 2017 Source:Preventive Veterinary Medicine Author(s): Conor G. McAloon, Áine Macken-Walsh, Lisa Moran, Paul Whyte, Simon J. More, Luke O’Grady, Michael L. Doherty Bovine Johne’s Disease (JD) is a disease characterised by chronic granulomatous enteritis which manifests clinically as a protein-losing enteropathy causing diarrhoea, hypoproteinaemia, emaciation and, eventually death. Some research exists to suggest that the aetiologic pathogen Mycobacterium avium subspecies paratuberculosis may pose a zoonotic risk. Nationally coordinated control programmes have be...
Source: Preventive Veterinary Medicine - April 10, 2017 Category: Veterinary Research Source Type: research

Molecular and serological detection of Trypanosoma cruzi in dogs (Canis lupus familiaris) suggests potential transmission risk in areas of recent acute Chagas disease outbreaks in Colombia
Publication date: Available online 31 March 2017 Source:Preventive Veterinary Medicine Author(s): Jeiczon Jaimes-Dueñez, Omar Triana-Chávez, Omar Cantillo-Barraza, Carolina Hernández, Juan David Ramírez, Agustín Góngora-Orjuela Chagas disease is a zoonotic infection widely distributed in tropical and subtropical regions of America, including more than 50% of the Colombian territory. In the last years, an increase of outbreaks of acute Chagas disease has been observed in the east of the country due to environmental changes and mammal movements towards human settlements. Given the i...
Source: Preventive Veterinary Medicine - March 31, 2017 Category: Veterinary Research Source Type: research

SVEPM 2016 – Current multidisciplinary advances in veterinary epidemiology and economics, Society of Veterinary Epidemiology and Preventive Medicine conference Elsinore, Denmark 16–18 March 2016
Publication date: 1 April 2017 Source:Preventive Veterinary Medicine, Volume 139, Part B Author(s): Bart H.P. van den Borne, Francisco F. Calvo-Artavia, David Brodbelt, K. Marie McIntyre (Source: Preventive Veterinary Medicine)
Source: Preventive Veterinary Medicine - March 31, 2017 Category: Veterinary Research Source Type: research