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A salmon lice prediction model.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-13 DOI: 10.1016/j.prevetmed.2024.106405
Leif Christian Stige, Lars Qviller, Hildegunn Viljugrein, Saraya Tavornpanich
{"title":"A salmon lice prediction model.","authors":"Leif Christian Stige, Lars Qviller, Hildegunn Viljugrein, Saraya Tavornpanich","doi":"10.1016/j.prevetmed.2024.106405","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106405","url":null,"abstract":"<p><p>Salmon lice (Lepeophtheirus salmonis) are parasites on salmonid fish and a density-dependent constraint to the sustainable farming of salmonids in open net pens. To control the parasites, fish farmers in Norway are required to count the number of salmon lice in different developmental stages on a subset of the fish each week. Furthermore, they must ensure that the number of adult female lice per fish does not increase beyond a specified threshold level. Here we present a model that may assist farmers in the salmon lice management. The model can predict the numbers of salmon lice in different developmental stages in each cage in a farm one to two weeks ahead. Input variables are current-week lice counts, a lice infestation pressure index, sea temperature, mean weight of the fish and presence or absence of wrasses (family Labridae) as cleaner fish. Count data for three parasitic stage groups (adult females, other motiles and sessile) are analysed jointly in one statistical model. The model predicted a large part of the variance, e.g. 50 % of the farm-level variance in adult female lice two weeks ahead. At farm-level, but not at cage-level, the numbers of other motile and sessile lice were, however, similarly well predicted by assuming \"next week is the same as this week\". The model also quantifies uncertainty and shows what range of outcomes is likely given the observations to that date. By using this model as decision support, fish farmers may more accurately assess the risk of exceeding lice limits.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106405"},"PeriodicalIF":2.2,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142872797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Corrigendum to "Incorporating heterogeneity in farmer disease control behaviour into a livestock disease transmission model" Preventive Vet. Med. 219 (2023) 106019. Corrigendum to "Incorporating heterogeneity in farmer disease control behaviour into a livestock disease transmission model" Preventive Vet.Med.219 (2023) 106019.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-13 DOI: 10.1016/j.prevetmed.2024.106408
Edward M Hill, Naomi S Prosser, Paul E Brown, Eamonn Ferguson, Martin J Green, Jasmeet Kaler, Matt J Keeling, Michael J Tildesley
{"title":"Corrigendum to \"Incorporating heterogeneity in farmer disease control behaviour into a livestock disease transmission model\" Preventive Vet. Med. 219 (2023) 106019.","authors":"Edward M Hill, Naomi S Prosser, Paul E Brown, Eamonn Ferguson, Martin J Green, Jasmeet Kaler, Matt J Keeling, Michael J Tildesley","doi":"10.1016/j.prevetmed.2024.106408","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106408","url":null,"abstract":"","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":" ","pages":"106408"},"PeriodicalIF":2.2,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142823842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of temporal resolution and contact duration on Real-Time location system-based contact networks for confined feedlot cattle.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-12 DOI: 10.1016/j.prevetmed.2024.106409
H L Seger, M W Sanderson, B J White, C Lanzas
{"title":"The effect of temporal resolution and contact duration on Real-Time location system-based contact networks for confined feedlot cattle.","authors":"H L Seger, M W Sanderson, B J White, C Lanzas","doi":"10.1016/j.prevetmed.2024.106409","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106409","url":null,"abstract":"<p><p>Empirical data on livestock contact networks are scarce but digital technologies are increasingly used to characterize animal behavior and describe the dynamics of contact networks. The objective of this study was to use contact network analysis to quantify contacts within three pens of feedlot cattle across three consecutive years at varying temporal resolutions to better inform the construction of network-based disease transmission models for cattle within confined-housing systems. We also aimed to describe the influence of the variation in Real-Time Location System (RTLS) average tag read rates and the effect of increasing minimum contact duration (MCD) on the contact networks of feedlot cattle. Three pens of feedlot steers were tagged with RTLS, one pen in each of three consecutive summers from 2017 to 2019. Contacts were defined with a spatial threshold of 0.71 m and an MCD of either 10, 30, or 60 seconds. Static, undirected, weighted contact networks were created for the full study duration and then split into daily (24-h), 6-h period, and hourly networks to better assess network heterogeneity. For the full study duration time scale, all three networks were found to be densely connected. The networks showed more heterogeneity in network density and clustering coefficient when smaller time scales (6-h period and hourly) were applied. When contacts were defined with a MCD of 30 or 60 seconds, the total number of contacts seen in each network decreased, indicating that most of the contacts observed in our networks may have been transient passing contacts. For example, the total defined contacts for the 2017 native read rate network were 930,843 at 10 s MCD, 95,570 at 30 s MCD, and 19,135 at 60 s MCD. Though the same system was used for all three years, variation in average tag read rate was observed (range: 2.2 readings/min (2018) to 7.4 readings/min (2017)). When the networks were down-scaled from higher average tag read rates to match lower tag read rates, the full study networks maintained similar network density and clustering, though the average edge weight between pairs decreased. Overall, the networks created here from high-resolution spatial and temporal contact observation data provide estimates for a contact network within a commercial US feedlot pen.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106409"},"PeriodicalIF":2.2,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142872799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
'Implementation of bio…what?' Farm workers' subjectivities in Spanish dairy cattle farms through an ethnographic approach.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-11 DOI: 10.1016/j.prevetmed.2024.106407
Sebastian Moya, Josep Espluga-Trenc, Gareth Enticott
{"title":"'Implementation of bio…what?' Farm workers' subjectivities in Spanish dairy cattle farms through an ethnographic approach.","authors":"Sebastian Moya, Josep Espluga-Trenc, Gareth Enticott","doi":"10.1016/j.prevetmed.2024.106407","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106407","url":null,"abstract":"<p><p>This study explores the implementation of biosecurity measures by farm workers through daily work routines on dairy cattle farms in Spain. The implementation of biosecurity measures on dairy cattle farms is mainly decided by farmers and veterinarians, but it is carried out by both farmers and farm workers. However, farm workers may be affected by socio-employment factors such as the precariousness of their work such that implementation of biosecurity measures may be context dependent and may differ from official recommendations. An ethnographic approach was used through observations and conversations on four farms in two regions of Spain, two in Galicia (north-west) and two in Catalonia (north-east) to explore these factors. The profiles of participants were farmer-family workers, internal worker-employees and external worker-employees. Results showed that there were social differences, particularly communicative and hierarchical differences, between workers and farmers that influenced the implementation of biosecurity measures. Workers implemented biosecurity practices incompletely, differently or incorrectly from their supervisors' instructions. Workers also relied on what the authors called an anthropomorphic approach to implementing biosecurity measures, which deviated from farm guidelines. In order to improve the implementation of biosecurity measures on dairy cattle farms, it is necessary to consider workers as key stakeholders in biosecurity. Such consideration could also help to professionalise workers, reduce their turnover and increase their permanence on these farms.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106407"},"PeriodicalIF":2.2,"publicationDate":"2024-12-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142854777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Key farm characteristics associated with the level of antimicrobial use in rosé veal production - A Danish database study.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-09 DOI: 10.1016/j.prevetmed.2024.106406
Jeanette Kristensen, Amanda Brinch Kruse, Anne Mette Hostrup Kjeldsen, Liza Rosenbaum Nielsen
{"title":"Key farm characteristics associated with the level of antimicrobial use in rosé veal production - A Danish database study.","authors":"Jeanette Kristensen, Amanda Brinch Kruse, Anne Mette Hostrup Kjeldsen, Liza Rosenbaum Nielsen","doi":"10.1016/j.prevetmed.2024.106406","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106406","url":null,"abstract":"<p><p>Antimicrobial use (AMU) in veal production is high compared to other bovine production types and has been suggested as an area with potential for AMU reduction. High AMU is a public health concern due to its association with antimicrobial resistance (AMR). Identifying farm characteristics associated with AMU could provide valuable insights for stakeholders seeking to monitor and implement initiatives to reduce AMU. This study aimed at investigating farm characteristics associated with AMU in Danish rosé veal farms, which is the main veal production type in Denmark. The AMU and characteristics included were extracted from two Danish national databases; The Danish Central Husbandry Register (CHR) and the Danish Veterinary Medicines Statistics Program (VetStat). Characteristics included were farm size, mortality, number of suppliers, sites per farm, and farm-level composition of animals with regards to sex and breed. The 118 farms included in the study received 41 % of the total amount of antimicrobials prescribed for Danish calves and young stock in 2020 measured in Animal Daily Doses (ADD). A multivariable linear regression model with the annual average farm-level AMU as outcome was created. AMU was measured as ADD per 100 animals per day (ADD100) and square root-transformed in the model. Increasing farm size and number of suppliers and decreasing proportion of crossbred bulls were found to be significantly associated with higher AMU. However, proportion of crossbred bulls was correlated with proportion of females. Separating the effects of breed and sex was not possible, partly due to the highly summarised data structure. Mortality and number of sites were not significantly associated with AMU. Farms with the type \"starter-farms\" has previously been shown to have a higher AMU compared to other rosé veal farm types. An important finding in this study was that grouping multiple sites into farms by using ownership data made it possible to summarise AMU for the full line of production from arrival at the veal farm to exit for slaughter. The results and approaches from this paper present an opportunity for repeated evaluation of farm characteristics associated with AMU, which could be used to continuously adapt and target AMU monitoring and control. In addition, it is done on existing surveillance data which keeps the cost of the study low in terms of data collection and data management.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106406"},"PeriodicalIF":2.2,"publicationDate":"2024-12-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142823843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
African Swine Fever: Spread and seasonal patterns worldwide.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-07 DOI: 10.1016/j.prevetmed.2024.106401
Isadora Martins Pinto Coelho, Marcelo Teixeira Paiva, Ailton Junior Antunes da Costa, Rafael Romero Nicolino
{"title":"African Swine Fever: Spread and seasonal patterns worldwide.","authors":"Isadora Martins Pinto Coelho, Marcelo Teixeira Paiva, Ailton Junior Antunes da Costa, Rafael Romero Nicolino","doi":"10.1016/j.prevetmed.2024.106401","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106401","url":null,"abstract":"<p><p>African Swine Fever (ASF) is a viral disease affecting both wild and domestic swine, with the potential for major lethality rates. In addition to direct losses for producers, its notification in a free country or zone leads to international trade restrictions. The disease has spread globally at concerning levels, with outbreaks reported in recent years across five continents. Time series analysis of ASF outbreak notifications indicates an increasing trend in Europe and Asia. For Europe, including both domestic pigs and wild boar, seasonality was pronounced in the summer and autumn (July, August, and October). Wild boar represented 78.00 % (25,017) of the reported outbreaks in the continent, with pronounced seasonality in winter (December, January and February) and a peak in summer (July). In domestic pigs, seasonality was pronounced mainly in the summer (July and August) and autumn (October). Poland and Romania were the countries with the highest number of reported outbreaks on the continent, representing 35.34 % and 22.50 % of the total in Europe, respectively. In Asia, analysis including both domestic pigs and wild boar showed pronounced seasonality in February and March. For domestic animals, a higher number of outbreaks occur in the early months of the year (mainly February, and March), in the third quarter and early fourth (August, September, October and November), with a decrease in the middle (July) and at the end of the year (December). In China, the notifications are predominantly in domestic swine, with 97.21 % (209) of the reported outbreaks in the country. For wild boars, South Korea accounts for 96.46 % (1690) of the notifications in Asia. Seasonality in Europe may be related to increased human movement during these periods and wild boar behavior. In Asia, seasonality coincides with the period immediately following the Chinese New Year, probably related to the increased national demand for pork and the movement of people and by-products in the country. Recent notifications in 2021 and 2022 in the Caribbean region have raised concerns across the Americas.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106401"},"PeriodicalIF":2.2,"publicationDate":"2024-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142865360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A large-scale epidemiological study on the prevalence and risk factors of losses of honey bee colonies during winter seasons in Poland.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-06 DOI: 10.1016/j.prevetmed.2024.106403
Ewa Mazur, Michał Czopowicz, Maria Iller, Anna Gajda
{"title":"A large-scale epidemiological study on the prevalence and risk factors of losses of honey bee colonies during winter seasons in Poland.","authors":"Ewa Mazur, Michał Czopowicz, Maria Iller, Anna Gajda","doi":"10.1016/j.prevetmed.2024.106403","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106403","url":null,"abstract":"<p><p>We conducted a citizen science survey on winter honey bee colony losses in Poland. A total of 2169 beekeepers, possessing 77 867 colonies, reported valid loss rates from all regions of the country between 2017 and 2022. We identified five beekeeping management-related factors and three types of apiaries (small-scale apiaries, medium-scale apiaries, and large-scale apiaries) and analysed their impact on winter bee colony losses. In large-scale apiaries, migration, replacement of queens, and replacement of brood combs were practiced more often than in others. Monitoring and treatment of varroosis were practiced with equal frequency in all apiary types. In total, beekeepers reported 9466 lost colonies, accounting for 12.2 % of the overall winter bee colony loss rate (95 % confidence interval (CI 95 %): 11.4 %-12.8 %). The highest overall winter bee colony losses were reported from the small-scale apiaries (14.8 %, CI 95 %: 13.2 %-16.7 %), followed by large-scale apiaries (11.6 %, CI 95 %: 10.4 %-12.8 %) and medium-scale apiaries (11.4 %, CI 95 %: 10.4 %-12.5 %). The primary category of losses was characterised by the presence of \"dead colonies\", with symptoms that could be linked to either colony depopulation syndrome or starvation. All management-related factors contributed to the lower winter bee colony loss rates, but the relationships were mainly mild, complex, and highly dependent on the type of apiary.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106403"},"PeriodicalIF":2.2,"publicationDate":"2024-12-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142829677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unveiling mycobacterial infections in Brazilian swine: Insights from epidemiological and diagnostic studies.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-05 DOI: 10.1016/j.prevetmed.2024.106404
Allice Braga, Angélica Cavalheiro Bertagnolli, Vinícius da Rosa Fanfa, Rogério de Oliveira Rodrigues, Alice Faé, Gabriela Ramos, Rafaella Cristina Morais, Sidia Maria Callegari-Jacques, Cristine Cerva, Fabiana Quoos Mayer
{"title":"Unveiling mycobacterial infections in Brazilian swine: Insights from epidemiological and diagnostic studies.","authors":"Allice Braga, Angélica Cavalheiro Bertagnolli, Vinícius da Rosa Fanfa, Rogério de Oliveira Rodrigues, Alice Faé, Gabriela Ramos, Rafaella Cristina Morais, Sidia Maria Callegari-Jacques, Cristine Cerva, Fabiana Quoos Mayer","doi":"10.1016/j.prevetmed.2024.106404","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106404","url":null,"abstract":"<p><p>Stringent sanitary standards are imperative for swine production, ensuring high biosecurity and safe meat. However, granulomatous lesions, often detected as \"lymphadenitis\" in slaughterhouses, lack routine laboratory examination, potentially overlooking tuberculosis among other etiologies. This study aimed to: (i) explore epidemiological variables linked to swine carcasses condemned due to \"tuberculosis\" or \"lymphadenitis\" in Rio Grande do Sul, southern Brazil in a retrospective survey; and (ii) evaluate the frequency of Mycobacterium tuberculosis in granulomatous lymphadenitis lesions. Epidemiological data from the public surveillance system including farm origin, slaughter location, season, producer type and the inspection scope, were evaluated by their association with the occurrence of animal transport guides (ATG) with at least one animal condemned due to lymphadenitis or tuberculosis. For the prospective study, tissue samples from 118 animals with granulomatous lymphadenitis lesions were examined through histopathology and bacterial isolation. The frequency of ATG with at least one carcass condemned due to lymphadenitis or tuberculosis was 2.27 % and 0.027 % respectively. The factors associated with lymphadenitis were slaughter location, origin, producer type, and inspection scope (state or municipal). However, no significant risk factors emerged for tuberculosis in multivariable analysis. Histopathology confirmed granulomatous lymphadenitis in 44.92 % of lymph nodes, and M. tuberculosis var. bovis was isolated in 2.54 % of cases. Although the tuberculosis frequency (0.002 %) was low, it surpassed federal inspection data (<0.001 %), evidencing that laboratory diagnosis should be considered in such lesions. This study underscores the need for improved diagnostic routine in slaughterhouses to enhance biosecurity and public health protection in the swine industry.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106404"},"PeriodicalIF":2.2,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142813930","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quantification of antibiotic usage against Streptococcus suis in weaner pigs in the Netherlands between 2017 and 2021.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-04 DOI: 10.1016/j.prevetmed.2024.106400
Anita Dame-Korevaar, Chretien Gielen, Jobke van Hout, Martijn Bouwknegt, Lluís Fabà, Manouk Vrieling
{"title":"Quantification of antibiotic usage against Streptococcus suis in weaner pigs in the Netherlands between 2017 and 2021.","authors":"Anita Dame-Korevaar, Chretien Gielen, Jobke van Hout, Martijn Bouwknegt, Lluís Fabà, Manouk Vrieling","doi":"10.1016/j.prevetmed.2024.106400","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106400","url":null,"abstract":"<p><p>Streptococcus suis is an important pig pathogen that can cause severe disease in the post-weaning period. As there are no commercial vaccines available in the Netherlands, antibiotic treatment is often necessary to control disease. S. suis is regarded as one of the major causes of antibiotic prescription in weaned pigs, but scientific studies supporting this claim with quantitative data are lacking. The aim of this study was to obtain insight in, and to quantify usage of, antibiotics against S. suis in weaner pigs at sow farms in the Netherlands. Three sources of data were used, including 1) total antibiotic usage in weaner pigs in the Netherlands, as yearly reported by the Netherlands Veterinary Medicines Institute (SDa), and estimates from 2) pig veterinarians and 3) pig farmers on the relative amount of antibiotics prescribed against S. suis, via questionnaires. Information from the SDa on the total amount of antibiotic usage was combined with the estimates of the veterinarians to estimate the antibiotic usage against S. suis in weaner pigs. Our study shows that ∼90 % of the total amount of amoxicillin (AMOX) and ampicillin (AMPI) prescribed in weaner pigs is used for treatment of disease caused by S. suis (S. suis disease). Of all orally prescribed antibiotics against S. suis, AMOX comprises 85 % of the total absolute usage expressed by the mean defined daily dosage per animal farm (3.2 - 5.4 mean DDDA<sub>F</sub>). Furthermore, veterinarians reported that at farms with structural S. suis disease problems second choice antibiotics (AMOX, AMPI) are more often prescribed than at farms with incidental S. suis disease. All together, we estimated that S. suis disease accounts for about 1/3rd of the total antibiotic usage in weaner pigs. This study is the first to quantify antibiotic usage against S. suis in weaner pigs and shows that S. suis is a hotspot of antibiotic usage. This underlines the severity and relevance of S. suis disease and the need for alternative control measures.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106400"},"PeriodicalIF":2.2,"publicationDate":"2024-12-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142791777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overweight and obese body condition in ∼4.9 million dogs and ∼1.3 million cats seen at primary practices across the USA: Prevalences by life stage from early growth to senior.
IF 2.2 2区 农林科学
Preventive veterinary medicine Pub Date : 2024-12-03 DOI: 10.1016/j.prevetmed.2024.106398
Mathieu Montoya, Franck Péron, Tabitha Hookey, JoAnn Morrison, Alexander J German, Virginie Gaillard, John Flanagan
{"title":"Overweight and obese body condition in ∼4.9 million dogs and ∼1.3 million cats seen at primary practices across the USA: Prevalences by life stage from early growth to senior.","authors":"Mathieu Montoya, Franck Péron, Tabitha Hookey, JoAnn Morrison, Alexander J German, Virginie Gaillard, John Flanagan","doi":"10.1016/j.prevetmed.2024.106398","DOIUrl":"https://doi.org/10.1016/j.prevetmed.2024.106398","url":null,"abstract":"<p><p>Adult dogs and cats in overweight or obese condition are common, but prevalence data for different life stages, especially growth, are limited, and may help inform when preventative measures may be most effective. In this retrospective observational study, prevalences of overweight and obese condition were determined from the electronic medical records of dogs and cats of all life stages visiting Banfield Pet Hospital in the USA between 2020 and 2023. Animals were identified either by body condition score (BCS; overweight 6-7; obese 8-9) or from a clinical diagnosis of overweight condition or obesity when recorded. Life stages (early growth, late growth, young adult, adult, mature, and senior) were defined by age range, adjusted for species and breed size in dogs. Individuals could only be included once within each life stage, with the maximum BCS used. Prevalence was determined for the 4-year period and for each calendar year. The evolution of BCS was also assessed for animals with multiple records. In total, 4933,916 unique dogs and 1341,118 unique cats were included. In dogs, prevalences of overweight or obese condition were: 0.9 % and < 0.0 % (early growth), 9.5 % and 0.3 % (late growth), 24.4 % and 1.9 % (young adult); 44.5 % and 8.4 % (adult), 50.1 % and 12.6 % (mature); 46.4 % and 11.3 % (senior). In cats, prevalences of overweight or obese condition were: 0.8 % and < 0.0 % (early growth); 10.7 % and 0.4 % (late growth); 36.2 % and 3.6 % (young adult); 47.2 % and 13.9 % (adult); 44.8 % and 21.7 % (mature); and 32.0 % and 12.6 % (senior). From 2020-2021 and 2021-2022 prevalences of overweight and obese condition in dogs and overweight condition in cats increased in most life stages. The prevalence of overweight condition in dogs and obese condition in cats and dogs significantly decreased between 2022 and 2023 for some life stages. The odds ratio of an overweight or obese condition in adulthood was 1.85 (95 % confidence interval [CI]: 1.81, 1.86); P ≤ 0.001) for dogs and 1.52 (95 % CI: 1.48, 1.56; P ≤ 0.001) for cats where an overweight or obese condition was recorded during growth. In conclusion, both overweight and obese condition are prevalent throughout adult life, peaking during the mature life stage in dogs and cats, with overweight or obese condition during growth persisting into adulthood in most affected animals. Veterinarian-led prevention strategies are recommended from growth onwards, including the use of growth standard charts.</p>","PeriodicalId":20413,"journal":{"name":"Preventive veterinary medicine","volume":"235 ","pages":"106398"},"PeriodicalIF":2.2,"publicationDate":"2024-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142791761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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