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Preventive Veterinary Medicine

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https://www.readbyqxmd.com/read/29153784/an-empirical-comparison-of-isolate-based-and-sample-based-definitions-of-antimicrobial-resistance-and-their-effect-on-estimates-of-prevalence
#1
R W Humphry, J Evans, C Webster, S C Tongue, G T Innocent, G J Gunn
Antimicrobial resistance is primarily a problem in human medicine but there are unquantified links of transmission in both directions between animal and human populations. Quantitative assessment of the costs and benefits of reduced antimicrobial usage in livestock requires robust quantification of transmission of resistance between animals, the environment and the human population. This in turn requires appropriate measurement of resistance. To tackle this we selected two different methods for determining whether a sample is resistant - one based on screening a sample, the other on testing individual isolates...
November 10, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28982633/quantification-of-the-probability-of-reintroduction-of-ibr-in-the-netherlands-through-cattle-imports
#2
I M G A Santman-Berends, M H Mars, H W F Waldeck, L van Duijn, P Wever, K W H van den Broek, G van Schaik
In the Netherlands, the feasibility of a national control program for infectious bovine rhinotracheitis (IBR) is discussed. The aim of this program would be to achieve freedom from BoHV1 circulation (the causal agent of IBR), in the Dutch cattle population. When IBR would be eradicated, maintaining the free status is essential and insight in the probability of introduction of IBR through cattle imports is crucial. Values for input parameters such as the number of imports per country of origin, herd level prevalence and probability that a random imported animal per age category was either acutely or latently infected with IBR were quantified...
September 28, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157379/incidence-of-fecal-excretion-of-mycobacterium-avium-subsp-paratuberculosis-in-dairy-cows-before-and-after-the-enrolment-in-the-qu%C3%A3-bec-voluntary-program
#3
J C Arango-Sabogal, J Paré, O Labrecque, G Côté, J P Roy, S Buczinski, V Wellemans, G Fecteau
Paratuberculosis is a chronic and contagious enteric disease of ruminants caused by Mycobacterium avium subsp. paratuberculosis (MAP). This disease of worldwide distribution is responsible for significant economic losses and the bacteria itself has been linked to human Crohn's disease. Paratuberculosis control programs focus on reducing MAP transmission by implementing better management practices that target infection routes. In Québec, a Voluntary Paratuberculosis Prevention and Control Program (QVPPCP) was launched in 2007...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157378/monitoring-breeding-herd-production-data-to-detect-prrsv-outbreaks
#4
G S Silva, M Schwartz, R B Morrison, D C L Linhares
Porcine reproductive and respiratory syndrome virus (PRRSv) causes substantial economic impact due to significant losses in productivity. Thus, measuring changes in farm productivity before and after PRRS infection enables quantifying the production and economic impact of outbreaks. This study assessed the application of exponentially weighted moving average (EWMA), a statistical process control method, on selected production data (number of abortions, pre-weaning mortality rate and prenatal losses) to supplement PRRS surveillance programs by detecting significant deviations on productivity in a production system with 55,000 sows in 14 breed-to-wean herds in Minnesota, U...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157377/analyzing-the-foot-and-mouth-disease-outbreak-as-from-2008-to-2014-in-cattle-and-buffaloes-in-sri-lanka
#5
Umanga C Gunasekera, Arumugumam Sivasothy, Nihal Wedasingha, Sivapiragasam Thayaparan, Bandara Rotewewa, Mahalingam Muralithas, Maximilian P O Baumann, Veerasak Punyapornwithaya
Foot and Mouth Disease (FMD) is a highly contagious disease that affects all cloven hoofed animals and causes considerable economic losses to cattle and buffalo farmers worldwide. FMD is endemic to Sri Lanka. The objective of this study was to analyze the past situation of FMD from 2008 to 2014 in the country and to identify relevant risk factors associated with the 2014 outbreak. Outbreak data from the Department of Animal Production and Health, Sri Lanka from 2008 to 2014 were used to describe the spatial distribution and to determine associations between the frequency of outbreaks across the country (nine provinces) and factors including vaccination coverage and outbreak year...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157376/epidemiological-and-partial-budget-analysis-for-treatment-of-subclinical-staphylococcus-aureus-intramammary-infections-considering-microbiological-and-cytological-scenarios
#6
Inge-Marié Petzer, Eric M C Etter, Edward F Donkin, Edward C Webb, Joanne Karzis
An innovative method was investigated to aid in the elimination of Staphylococcus aureus (S. aureus) intramammary infections (IMI) from dairy herds. A stochastic model explore the economic benefit of three-day or eight-day treatment of subclinical IMI in all S. aureus infected cows or in only those with a somatic cell count (SCC) exceeding 200,000 cells/ml. An epidemiological model was developed to run parallel to the economic model that would predict the S. aureus IMI likely to persist, develop new infections and clinical mastitis...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157375/risk-factors-for-race-day-fatality-distal-limb-fracture-and-epistaxis-in-thoroughbreds-racing-on-all-weather-surfaces-in-great-britain-2000-to-2013
#7
S M Rosanowski, Y M Chang, A J Stirk, K L P Verheyen
The incidence of race-day injuries in Great Britain (GB) is higher on all-weather (AW) surfaces than on turf. However, to date no studies have focused on identifying risk factors for injury specific to AW racing. Therefore, the objective of the current study was to determine risk factors for fatality, distal limb fracture (DLF) and episodes of epistaxis in flat racing Thoroughbreds racing on AW surfaces in GB. Data included all flat racing starts on AW surfaces (n=258,193) and race-day veterinary events recorded between 2000 and 2013...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157374/time-series-analysis-based-on-two-part-models-for-excessive-zero-count-data-to-detect-farm-level-outbreaks-of-swine-echinococcosis-during-meat-inspections
#8
Yasumoto Adachi, Kohei Makita
Echinococcus multilocularis is a parasite that causes highly pathogenic zoonoses and is maintained in foxes and rodents on Hokkaido Island, Japan. Detection of E. multilocularis infections in swine is epidemiologically important. In Hokkaido, administrative information is provided to swine producers based on the results of meat inspections. However, as the current criteria for providing administrative information often results in delays in providing information to producers, novel criteria are needed. Time series models were developed to monitor autocorrelations between data and lags using data collected from 84 producers at the Higashi-Mokoto Meat Inspection Center between April 2003 and November 2015...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157373/risk-factors-affecting-length-of-stay-of-cats-in-an-animal-shelter-a-case-study-at-the-guelph-humane-society-2011-2016
#9
Natasha Janke, Olaf Berke, Tyler Flockhart, Shane Bateman, Jason B Coe
There is a strong need for animal shelters to determine strategies to decrease the incidence of healthy animals being euthanized due to a lack of space. Thus, the Capacity for Care program was implemented at the Guelph Humane Society during August 2014. One objective of the Capacity for Care program is to decrease length of stay of cats within the shelter to improve individual welfare and increase the number of successful adoptions. The current study uses data collected from the Guelph Humane Society between 2011 and 2016...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157372/prevalence-of-antimicrobial-resistance-from-bacterial-culture-and-susceptibility-records-from-horse-samples-in-south-africa
#10
John K Chipangura, Thireshni Chetty, Marcia Kgoete, Vinny Naidoo
The continuous increase in prevalence of antimicrobial resistant bacteria presents a significant public health problem and is an indicator that antimicrobial prudent usage guidelines are not being followed, especially in developing countries. Despite trends being available from numerous countries, there is little published for South Africa. This study was aimed at estimating the prevalence and trends of antimicrobial resistance from bacterial isolates from equine clinical samples submitted for culture and susceptibility testing to the veterinary bacteriology laboratory of the University of Pretoria...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157371/australian-horse-owners-and-their-biosecurity-practices-in-the-context-of-hendra-virus
#11
Anke K Wiethoelter, Nicole Schembri, Navneet K Dhand, Kate Sawford, Melanie R Taylor, Barbara Moloney, Therese Wright, Nina Kung, Hume E Field, Jenny-Ann L M L Toribio
In recent years, outbreaks of exotic as well as newly emerging infectious diseases have highlighted the importance of biosecurity for the Australian horse industry. As the first potentially fatal zoonosis transmissible from horses to humans in Australia, Hendra virus has emphasised the need to incorporate sound hygiene and general biosecurity practices into day-to-day horse management. Recommended measures are widely publicised, but implementation is at the discretion of the individual owner. This cross-sectional study aimed to determine current levels of biosecurity of horse owners and to identify factors influencing the uptake of practices utilising data from an online survey...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157370/bayesian-estimation-of-true-prevalence-sensitivity-and-specificity-of-three-diagnostic-tests-for-detection-of-escherichia-coli-o157-in-cattle-feces
#12
Pius S Ekong, Michael W Sanderson, Nora M Bello, Lance W Noll, Natalia Cernicchiaro, David G Renter, Jianfa Bai, T G Nagaraja
Cattle are a reservoir for Escherichia coli O157 and they shed the pathogen in their feces. Fecal contaminants on the hides can be transferred onto carcasses during processing at slaughter plants, thereby serving as a source of foodborne infection in humans. The detection of E. coli O157 in cattle feces is based on culture, immunological, and molecular methods We evaluated the diagnostic sensitivity and specificity of one culture- and two PCR-based tests for the detection of E. coli O157 in cattle feces, and its true prevalence using a Bayesian implementation of latent class models...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157369/risk-factors-associated-with-the-a2c-resistance-pattern-among-e-coli-isolates-from-broiler-flocks-in-canada
#13
Niamh Caffrey, Omid Nekouei, Sheryl Gow, Agnes Agunos, Sylvia Checkley
The extra-label use of ceftiofur in Canadian hatcheries was cause for concern due to an increased prevalence of ceftiofur resistant Salmonella Heidelberg in chickens and humans in Québec. Due to on-going concerns related to human health the use of ceftiofur was eventually phased out of the poultry production industry in 2014-2015. Simultaneous resistance to amoxicillin-clavulanic acid, ceftiofur and cefoxitin, a pattern known as A2C, caused by the presence of blaCMY-2 has become increasingly prevalent in broiler flocks worldwide...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157368/livestock-as-sentinels-for-an-infectious-disease-in-a-sympatric-or-adjacent-living-wildlife-reservoir-host
#14
D P Anderson, A M Gormley, M Bosson, P G Livingstone, G Nugent
A central question to address in managing wildlife diseases is how much effort and resources are required to reduce infection prevalence to below a requisite threshold? This requires surveillance for infection in at least one species involved in the infection cycle, a process that is often expensive and time-consuming but one which could be enhanced using additional sources of readily-obtainable surveillance data. We demonstrate how surveillance data from ruminant livestock monitored for bovine tuberculosis (bTB) in New Zealand can be employed in spatially-explicit modelling to help predict the probability of freedom from Mycobacterium bovis infection in a sympatric wildlife reservoir species, the brushtail possum (Trichosurus vulpecula)...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157367/a-multilevel-study-of-the-environmental-determinants-of-swine-ascariasis-in-england
#15
Ângelo Joel Mendes, Ana Isabel Ribeiro, Milton Severo, João Niza-Ribeiro
Ascariasis is considered a common parasitosis of swine worldwide. The disease causes significant economic losses due to its effect on feed conversion ratio and liver condemnations at slaughter (liver milk spots). This study aimed to characterise the between-farm and spatial variance in porcine ascariasis in England and to assess the association between the percentage of infected animals and potential environmental risk factors, including production system, socioeconomic deprivation, soil characteristics (pH, topsoil bulk density, topsoil organic matter, topsoil texture class, soil water regime, topsoil available water capacity, and elevation), and climatic conditions (relative humidity, air temperature, and rainfall) before slaughter...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29157366/culling-from-the-actors-perspectives-decision-making-criteria-for-culling-in-qu%C3%A3-bec-dairy-herds-enrolled-in-a-veterinary-preventive-medicine-program
#16
Denis Haine, Roger Cue, Asheber Sewalem, Kevin Wade, René Lacroix, Daniel Lefebvre, Jonathan Rushton, Julie Arsenault, Émile Bouchard, Jocelyn Dubuc
The series of events leading to the decision to cull a cow is complex, involving both individual-level and herd-level factors. While the decision is guided by financial returns, it is also influenced by social and psychological factors. Research studies on the motivational and behavioural aspects of farmers' decision utility are sparse, and nonexistent regarding culling expectations and its decision process. Our goal was to identify shared criteria on culling decisions held by dairy producers and farm advisers, with the help of the Q-methodology...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28992933/early-life-indicators-predict-mortality-illness-reduced-welfare-and-carcass-characteristics-in-finisher-pigs
#17
Julia Adriana Calderón Díaz, Laura Ann Boyle, Alessia Diana, Finola Catherine Leonard, John Patrick Moriarty, Máire Catríona McElroy, Shane McGettrick, Denis Kelliher, Edgar García Manzanilla
The objective of this study was to investigate associations between early life indicators, lactation management factors and subsequent mortality, health, welfare and carcass traits of offspring. A total of 1016 pigs from a batch born during one week were used. During lactation, number of liveborn piglets, stillborn and mummies, sow parity, number of times cross-fostered, weaning age, birth and weaning body weight (BW) were collected. Mortality was recorded throughout the offspring production cycle. Prior to slaughter, pigs were scored for lameness (1=non-lame to 3=severely lame)...
October 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28992932/a-financial-cost-benefit-analysis-of-eradicating-virulent-footrot
#18
Leif Jarle Asheim, Petter Hopp, Gry M Grøneng, Ola Nafstad, Agnar Hegrenes, Synnøve Vatn
In 2008, virulent footrot was detected in sheep in south-west Norway. Footrot is caused by Dichelobacter nodosus, and the outbreak was linked to live sheep imported from Denmark in 2005. A large-scale program for eradicating the disease was implemented as a joint industry and governmental driven eradication project in the years 2008-2014, and continued with surveillance and control measures by the Norwegian Food Safety Authority from 2015. The cost of the eradication program including surveillance and control measures until 2032 was assumed to reach approximately €10...
October 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28992931/livestock-mortality-and-offtake-in-sheep-and-goat-flocks-of-livestock-owners-making-use-of-services-offered-by-paravets-in-west-afghanistan
#19
Chris J M Bartels, A Qader Fakhri, M Hamed Shams, Raymond P Briscoe, Bram E C Schreuder
In the present study, we quantified the effect of livestock services provided through paravets (intermediate-level training in veterinary medicine) on mortality and offtake of small ruminants in Western Afghanistan for the years 2010, 2011 and 2013. We compared mortality in adult and in young stock, and offtake of young stock of 120 livestock owners that made use of the paravet services (Users) with 120 livestock owners who did not make use of these services (Non-users). Security issues in the districts under study influenced the choice of villages...
October 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28992930/risk-for-zoonotic-salmonella-transmission-from-pet-reptiles-a-survey-on-knowledge-attitudes-and-practices-of-reptile-owners-related-to-reptile-husbandry
#20
Marialaura Corrente, Giancarlo Sangiorgio, Erika Grandolfo, Livia Bodnar, Cristiana Catella, Adriana Trotta, Vito Martella, Domenico Buonavoglia
Reptiles are becoming increasingly popular as pets. Those animals are reservoirs of a wide variety of Salmonella serotypes, that may be transmitted to warm-blooded animals, including humans. Accordingly, good hygiene practices related to husbandry are important for prevention of Reptile-associated salmonellosis (RAS). A cross-sectional study was conducted among reptile owners, by administration of a detailed questionnaire. In addition, the cloacal swabs of the sampled reptiles were screened for Salmonella spp...
October 1, 2017: Preventive Veterinary Medicine
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