Veterinary Research Articles

Natural Solutions to Antimicrobial Resistance: The Role of Essential Oils in Poultry Meat Preservation with Focus on Gram-Negative Bacteria

The increase in antimicrobial resistance (AMR) is a major global health problem with implications on human and veterinary medicine, as well as food production. In the poultry industry, the overuse and misuse of antimicrobials has led to the development of resistant or multi-drug resistant (MDR) strains of bacteria such as Salmonella spp., Escherichia coli and Campylobacter spp., which pose a serious risk to meat safety and public health. The genetic transfer of resistance elements between poultry MDR bacteria and human pathogens further exacerbates the AMR crisis and highlights the urgent need for action. Traditional methods of preserving poultry meat, often based on synthetic chemicals, are increasingly being questioned due to their potential impact on human health and the environment. This situation has led to a shift towards natural, sustainable alternatives, such as plant-derived compounds, for meat preservation. Essential oils (EOs) have emerged as promising natural preservatives in the poultry meat industry offering a potential solution to the growing AMR problem by possessing inherent antimicrobial properties making them effective against a broad spectrum of pathogens. Their use in the preservation of poultry meat not only extends shelf life, but also reduces reliance on synthetic preservatives and antibiotics, which contribute significantly to AMR. The unique chemical composition of EOs, that contains a large number of different active compounds, minimizes the risk of bacteria developing resistance. Recent advances in nano-encapsulation technology have further improved the stability, bioavailability and efficacy of EOs, making them more suitable for commercial use. Hence, in this manuscript, the recent literature on the mechanisms of AMR in the most important Gram-negative poultry pathogens and antimicrobial properties of EOs on these meat isolates was reviewed. Additionally, chemical composition, extraction methods of EOs were discussed, as well as future directions of EOs as natural food preservatives. In conclusion, by integrating EOs into poultry meat preservation strategies, the industry can adopt more sustainable and health-conscious practices and ultimately contribute to global efforts to combat AMR.

Reporting and interpreting statistical results in veterinary medicine: Calling for change

AbstractUnderstanding and correctly interpreting statistical results presented in scientific articles is a required skill for practicing evidence‐based veterinary medicine. A prerequisite for doing so is the adequate reporting of the results in scientific journals. However, most authors of veterinary publications determine the importance of their findings based on statistical significance (ie, P < .05), indicating that neither the limitations of using P values for inference nor the existence of more appropriate alternatives are widely appreciated in veterinary medicine. This deficiency in knowledge indicates a need to increase awareness in veterinary medicine regarding reporting statistical measures that quantify the magnitude of an effect along with its level of uncertainty, and then interpreting these results for clinical decision making. We utilize a hypothetical randomized controlled trial of dietary management in cats with chronic kidney disease to discuss some common misconceptions about P values and provide practical suggestions for alternatives. Reporting appropriate effect estimates along with their confidence intervals will allow veterinarians to easily and correctly determine whether the magnitude of the effect of interest meets clinical needs while acknowledging uncertainty in the results. We also describe confidence interval functions and show their utility as visual tools in aiding interpretation of confidence intervals. By providing practical guidance, we show that a change in reporting and interpreting statistical results is feasible and necessary. We hope this crucial step will promote clinical decision making based on effect estimates and confidence intervals.

Future Challenge: Assessing the Antibiotic Susceptibility Patterns of Staphylococcus Species Isolated from Canine Otitis Externa Cases in Western Romania

Introduction: Antimicrobial resistance (AMR) has surfaced as a critical challenge to public health on a global scale. The precise and swift identification of resistance to antimicrobial agents, along with timely and suitable antimicrobial therapy paired with effective stewardship practices, is crucial for managing the rise and dissemination of antimicrobial resistance. The objective of our investigation was to outline the antimicrobial resistance profile of Staphylococcus spp., a significant contributor to canine otitis, a prevalent condition in dogs, isolated in Western Romania. Methods and Materials: All data were collected from clinical cases of canine otitis externa which presented at the University Clinic of the Faculty of Veterinary Medicine in Timișoara/Romania. A clinical evaluation was conducted, from which era swabs are usually collected and sent for analysis at the laboratory. Laboratory analysis included the microbiological examination for identifying Staphylococcus spp. and determining antibiotic susceptibility phenotypes. Statistical analysis was implemented on all data that were collected. The ear swabs were processed with standard procedures for cultivating and identifying bacteria. The resulting subcultures were processed to determine the staphylococcal species on the GP ID Cards of the Vitek® 2 automatic system. The antimicrobial susceptibility profiles were detected by the Vitek® 2 system using an AST-GP80 card. These isolated Staphylococcus spp. strains were further processed by real-time PCR and PCR-RFLP. Results: Of all the auricular exudate samples analyzed, 76 were positive for Staphylococcus spp. (59.38%). Within these, in 82% of auricular samples, six distinct Staphylococcus spp. were identified (Staphylococcus (S.) pseudintermedius, S. intermedius, S. hyicus, S. delphiny, S. shleiferi, and S. aureus). Our data indicate that the PCR-RFLP assay is a practical approach to S. pseudintermedius identification, allowing for discrimination from the other Staphylococcus Intermedius Group (SIG) species and important staphylococcal pathogens of dogs. The highest frequency of resistant S. pseudintermedius isolates was detected against tetracycline (21/34; 61.76%; p-value 0.003), gentamicin (20/34; 58.82%), and kanamycin (20/34; 58.82%). Conclusions: These results are essential to guide the prudent use of antibiotics in veterinary medicine. They will also help design efficient control strategies and measure their effectiveness.

Integrating AI and ML for Enhanced Homeopathic Management of Canine Epilepsy

Canine epilepsy, a prevalent neurological disorder, poses significant challenges in veterinary medicine. Traditional treatment approaches often yield variable outcomes, necessitating exploration of alternative therapies. This study investigates the efficacy of homeopathic remedies in managing canine epilepsy and explores the potential of Artificial Intelligence (AI) and Machine Learning (ML) to enhance treatment protocols. We analyzed data from 32 epileptic dogs, documenting various parameters including age, breed, sex, weight, seizure frequency and duration pre- and post-treatment, homeopathic remedies used, potency, treatment duration, and owner observations. Remedies included Agaricus mus, Belladonna, Cicuta virosa, Cina, Hyoscyamus, Cuprum met and Natrum mur, administered in potencies of 30C, 200C, 1M and 0/1 LM over treatment durations ranging from 2 to 24 months. Descriptive statistics and visualizations revealed significant findings. Bulldogs and male dogs exhibited the highest improvement levels, particularly with Agaricus mus and Natrum mur remedies. Notably, remedies administered at LM potencies (0/1 LM) and longer durations (21 months) demonstrated superior efficacy. Improvement levels during treatment showed moderate correlations with treatment duration, indicating prolonged administration enhances therapeutic outcomes. We trained 3 different ML algorithms logistic regression, random forest and xgboost. The Random Forest model emerged as the most accurate, with an accuracy of 86%. Feature importance analysis revealed that pre-treatment seizure frequency, homeopathic remedy used, and treatment duration were critical predictors of treatment success In conclusion, Integrating AI and ML can revolutionize this aspect by analyzing large datasets to predict optimal treatment protocols based on individual patient characteristics. Machine learning algorithms can identify patterns and correlations that may not be immediately apparent, offering insights into the most effective remedies, potencies, and durations for specific breeds and demographics. This approach promises to enhance the quality of life for affected dogs and provide veterinarians with robust tools for decision-making.

Small animal review

While much research in veterinary medicine is aimed at optimising diagnosis and treatment in domestic animals, it must be remembered that it is the owners of the animals that ultimately decide on which treatments they consent to be given, and it is the owners who must attempt to accurately administer medications at home. It is thus important to understand what barriers there are to client compliance with veterinary recommendations, such as education, price and competing (usually online) misinformation. The following four studies examine client attitudes to various veterinary advice and procedures. Note that not all medications mentioned in this article are licensed for the species and/or indication discussed.

Non-invasive neurostimulation: an emerging therapeutic modality in veterinary neurology

Non-invasive neurostimulation involves techniques that stimulate the nervous system without penetrating the skin. These techniques, which range from electrical and magnetic to other types of stimulation, are designed to alter the activity of nerve cells and the broader networks they form. Although these methods have proven effective and safe for treating certain neurological conditions in humans, their success varies significantly from one individual to another. This variability can be because of the lack of standardised stimulation protocols, biological differences among individuals and the particular state of the neural areas being targeted. Various non-invasive neurostimulation techniques have been investigated, particularly in human medicine, including transcutaneous vagal nerve stimulation, transcutaneous electrical nerve stimulation on various nerves, repetitive transcranial magnetic stimulation and transcranial direct current stimulation. Of these, repetitive transcranial magnetic stimulation has emerged as the leading technique in research for human and veterinary medicine because of its potential in treating a wide range of neurological disorders. In the field of veterinary medicine, the use of non-invasive neurostimulation as a treatment approach is still in its early phases, with only a few reports documenting its application in managing seizures and behavioural issues in animals.

Discussion and Practice on Talent Cultivation Model Based on OBE Concept in Veterinary Medicine Graduate Education

To address the challenges in training veterinary master’s students, it is essential to align with the core objectives of veterinary graduate education. This involves focusing on faculty development, course design, innovative teaching methods, university-industry collaboration, and reforming the evaluation system. By applying the outcome-based education model, new approaches to veterinary graduate training can be developed, particularly for applied talent development in agricultural universities serving local communities. This innovative model emphasizes ideological and political education, aiming to enhance students’ abilities in knowledge and practical innovation, preparing them to be well-rounded professionals. The goal is to cultivate senior veterinary experts who are not only skilled in academic research and scientific inquiry but also committed to advancing agriculture, rural areas, and supporting rural revitalization. This approach provides a valuable framework for fostering highly qualified graduates who are both technically proficient and socially responsible.

Role of Rab35 in modulating lipid metabolism and viral entry during pseudorabies virus infection

Pseudorabies virus (PRV), the causative agent of Aujeszky's disease in swine, is a significant pathogen in veterinary medicine. Rab35 is a key regulatory GTPase involved in diverse cellular functions, including endocytic recycling, cytokinesis, and the regulation of the actin cytoskeleton. Although Rab35's roles in these processes are well-documented, its contribution to PRV replication dynamics had not been previously elucidated. Our study demonstrated that PRV infection led to an increase in Rab35 expression at both the mRNA and protein levels in both in vitro cell culture and in vivo models. Elevated Rab35 expression was associated with an acceleration of PRV replication, whereas knocking down Rab35 expression significantly impeded viral proliferation. Further investigation revealed that while Rab35 depletion did not impact the initial attachment of PRV to host cells, it critically suppressed subsequent viral entry and effectively obstructed the transcription of early PRV genes. The downregulation of Rab35 disrupted the expression of enzymes critical to lipid synthesis, which are upregulated during PRV infection. Moreover, Rab35 knockdown disrupted lipid dynamics necessary for the virus to integrate into clathrin-coated pits, a pivotal mechanism for PRV cellular entry. These findings collectively suggest that Rab35 plays a facilitatory role in PRV infection by modulating lipid metabolism and the viral entry process, thereby offering new insights into the complex intracellular mechanisms underlying PRV replication.

Quantification of antibiotic usage against Streptococcus suis in weaner pigs in The Netherlands between 2017-2021

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 DDDAF). 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.

A clinical and hematologic approach to basophilia in dogs, cats, and horses.

Basophils are the rarest blood leukocyte in most healthy domestic mammals and the clinical significance of basophilia is poorly understood. To empirically determine magnitude thresholds for basophilia, identify its hematologic correlates, and identify associations between breeds, specific diseases, disease categories, organ systems, and basophilia in dogs, cats, and horses. CBCs and clinical information from dogs, cats, and horses were collected from the University of California-Davis School of Veterinary Medicine between 2000 and 2020. Relationships between basophil concentration and other CBC parameters were evaluated by computing Pearson's correlation (r). Magnitude thresholds for basophilia (ie, mild, moderate, severe) were determined by evaluating the distribution of basophil counts for each species. For severe cases of basophilia, the clinical diagnoses were categorized by the organ system affected and the underlying pathomechanism. Basophilia groups were compared to a time-matched, randomly selected control group, and chi-square analyses were performed to evaluate associations with disease. A total of 143 841 (dog), 32 576 (cat), and 44 887 (horse) CBCs were collected. For all three species, basophilia was over-represented in some breeds. Basophilia was associated with respiratory disease in both dogs and cats. In dogs, lymphoma and mast cell neoplasia were associated with basophilia. In horses, an increased incidence of basophilia was not associated with any disease category or organ system. This is the largest study evaluating the hematologic correlations and disease associations with basophilia in dogs, cats, and horses. While basophilia was reported alongside many diseases, certain associations may aid clinicians in narrowing down underlying causes.

Comparative Analysis of Cryotherapy Modalities Using Muscle Tissue Temperature Measurement: Cold Pack, Cold Compression, and Hyperbaric Gaseous Cryotherapy

Cryotherapy is widely used in veterinary medicine to manage pain and swelling, yet optimal methods for specific tissue depths remain unclear. Cryotherapy modalities, including cold packs (CPs), cold compression (CC), and hyperbaric gaseous cryotherapy (HGC), were applied to nine beagle dogs under general anaesthesia. A custom 3D-printed guide facilitated consistent and accurate measurements of tissue temperatures at depths of 1 and 3 cm. After a 20 min application, all modalities significantly reduced the muscular tissue temperatures at both measured depths. HGC exhibited the most effective rapid temperature reduction, whereas CC displayed the most extended sustained cooling effect. In comparison, CPs showed a lower temperature reduction. The effectiveness of cryotherapy varies with tissue depth, and selecting the appropriate method can improve therapeutic outcome.

Phenotypic and genotypic characteristics of Trueperella abortisuis recovered from the feline reproductive tract

Large numbers of infections and effective treatment or control depend on the ability to identify the causative agents of animal infections. Here we describe a study of an isolate DG22/1209/12 obtained from vaginal pus exudate collected from a Siamese cat. The isolate was believed to be a member of Trueperella abortisuis, which is related to problems with reproduction. The most important was to identify this isolate by applying different techniques of diagnosis. It included phenotypic testing, Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF MS), and molecular techniques such as amplification and sequencing of the 16S rRNA gene, intergenic spacer region (ISR), and the gap and tuf genes. Phenotypic tests confirmed the identification of DG22/1209/12 as T. abortisuis. Finally, the identification was confirmed with MALDI-TOF MS analysis which demonstrated log (score) value of 2.09 indicating a secure genus identification, probable species identification on T. abortisuis. Molecular analysis revealed a high sequence identity of 99.9 %, 99.5 %, 99.4 %, and 99.5 % for the 16S rRNA gene, ISR, gap, and tuf genes, respectively, for both the isolate DG22/1209/12 and the reference isolate T. abortisuis DSM 19515T. The study highlights the effectiveness of combining phenotypic and genomic methods to accurately identify bacterial pathogens in veterinary medicine, leading towards focused intervention strategies.

A Comparative Study of Health and Well-being in Street Dogs Versus Pet Dogs

This study compares the health and well-being of street dogs and pet dogs, considering factors such as diet, exercise, healthcare access, and environmental influences. While pet dogs benefit from consistent care, vaccinations, and controlled environments, they are prone to lifestyle-related health issues like obesity and behavioural problems. Street dogs, despite limited access to medical care and regular nutrition, display stronger immune systems, higher adaptability, and resilience due to exposure to varied environments. Using a sample of 10 street dogs and 10 pet dogs, the study evaluates differences in body condition, coat health, immune resilience, behavioural traits, and veterinary care. Results indicate that street dogs exhibit better immune response and higher activity levels but suffer from malnutrition and untreated injuries. Conversely, pet dogs show fewer injuries and better coat conditions but face challenges like anxiety and sedentary lifestyles. The findings highlight the unique health profiles of both groups, shaped by their environments. A balanced approach that combines the resilience of street dogs with the structured care of pet dogs could optimize canine health outcomes. Future research with larger samples is recommended to enhance these insights and inform intervention strategies.

Current Situation for Pharmacists in Japanese Veterinary Medicine: Exploring the Pharmaceutical Needs and Challenges of Veterinary Staff to Facilitate Collaborative Veterinary Care

While veterinary pharmacy is common overseas, it has yet to gain traction in Japan. To clarify the actual situation in Japan, two surveys were conducted, targeting 4017 facilities (2000 pharmacies/drug stores, 2000 veterinary medical facilities, and 17 university-affiliated veterinary hospitals). We received 324 responses from pharmacy staff and 217 from veterinary hospital staff. Pharmacists were involved in drug therapy for companion animals either via direct discussion with veterinarians or by referrals for prescriptions from veterinarians (11 respondents). Veterinary staff and pharmacists showed a disparity regarding pharmacists’ involvement in companion animal healthcare. Veterinary staff wanted pharmacists to provide pharmaceutical guidance, perform audits, supply drug information, and prepare drugs. Strong demand (72.2% of the veterinary staff) existed for consultations with pharmacists regarding medication issues. Veterinary medicine has evolved to meet the demand for the advanced care of companion animals. Veterinary staff have diverse and substantial requests for pharmacists. Integrating the expertise of both veterinary staff and pharmacists may facilitate a team-based approach to veterinary medicine and improve the quality of care for companion animals. Tailoring approaches to suit Japan’s unique circumstances and creating a conducive environment for effective communication between pharmacists and veterinary staff are pivotal for advancing veterinary pharmacy in Japan.

Prognostic significance of YKL-40 expression in canine cutaneous mast cell tumors

BackgroundYKL-40, a secretory glycoprotein, is involved in tumor cell proliferation, metastasis, and angiogenesis in human cancers. Its overexpression has been correlated with unfavorable prognosis in many human cancers. In veterinary medicine, elevated YKL-40 levels in the serum of canine cutaneous mast cell tumors (cMCTs) were observed in our previous study. However, the expression pattern of YKL-40 in canine cMCT tissues, along with its association with clinical and pathological features, is still unknown. This study aims to retrospectively investigate the expression level of YKL-40 in the tissues of canine cMCTs and its correlation with clinical features, pathological characteristics, and clinical outcomes. Forty formalin-fixed paraffin-embedded cMCT tissues collected from forty dogs were diagnosed as low-grade (n = 20) or high-grade s(n = 20) MCT according to the Kiupel grading system. The expression level of YKL-40 in cMCT tissues was investigated using immunohistochemical staining and immunoreactivity score (IRS).ResultsYKL-40 was expressed in all cMCTs at different levels, with significantly stronger expression in low-grade cMCTs compared to high-grade cMCTs. The expression level was also associated with tumor diameter, histological grade, mitotic counts, vessel density, and survival of cMCTs. The overall survival of cMCT dogs showed significant differences (p < 0.01) among mild (n = 15, MST 219 days), moderate (n = 19, MST not reached), and high (n = 6, MST not reached) YKL-40 expression groups. Among low-grade cMCTs, overall survival was significantly different between mild YKL-40 expression (MST 319 days) and moderate to high YKL-40 (MST not reached) expression (p < 0.01). In high-grade cMCTs, overall survival was not correlated with YKL-40 expression (p = 0.6589).ConclusionsThis study found that the YKL-40 expression level was significantly stronger in low-grade than in high-grade canine cutaneous mast cell tumors and was associated with various clinical and pathological features. Stronger YKL-40 expression level correlated with longer survival time, especially in low-grade cMCTs. Therefore, YKL-40 could serve as a prognostic marker for cMCTs.

Retrospective study on Encephalitozoon cuniculi infections in 118 cat and 9 dog eyes.

This study aims to inform about the clinical image, diagnostic possibilities, and treatment options for cats and dogs diagnosed with ocular encephalitozoonosis. Medical records of 7 dogs and 75 cats with ocular encephalitozoonosis presented at the Clinical Unit of Ophthalmology of the University of Veterinary Medicine Vienna between 08/2006 and 02/2022 have been compiled. Diagnosis was based on the presence of cataracts and positive antibody titer against Encephalitozoon cuniculi. Patient history, details on the characteristics of the cataracts, level of antibody titers, and the treatment regimen were summarized, as are the results of histological stainings of surgical samples to determine the presence of Encephalitozoon cuniculi, as well as PCR analyses to identify its sub-strains. Our analysis of the clinical data shows that focal cortical anterior cataracts often associated with anterior uveitis and lesions in the fundus are the most prevalent manifestation of ocular encephalitozoonosis in cats and dogs. Serological testing and PCR analysis of lens material are the most important diagnostic tools. Timely phacoemulsification with adjuvant anti-inflammatory and antiparasitic medication is the most promising therapy for Encephalitozoon cuniculi-induced cataracts.

Preparation and Characterization of Tiamulin-Loaded Niosomes for Oral Bioavailability Enhancement in Mycoplasma-Infected Broilers

Mycoplasma infections pose significant challenges in the poultry industry, necessitating effective therapeutic interventions. Tiamulin, a veterinary antibiotic, has demonstrated efficacy against Mycoplasma species. However, the emergence of resistant Mycoplasma species could dramatically reduce the therapeutic potential, contributing to economic losses. Optimizing the tiamulin’s pharmacokinetic profile via nanocarrier incorporation could enhance its therapeutic potential and reduce the administration frequency, ultimately reducing the resistant strain emergence. Niosomes, a type of self-assembled non-ionic surfactant-based nanocarrier, have emerged as a promising drug delivery system, offering improved drug stability, sustained release, and enhanced bioavailability. In this study, niosomal nanocarriers encapsulating tiamulin were prepared, characterized and assessed in Mycoplasma-inoculated broilers following oral administration. Differential scanning colorimetry (DSC) confirmed the alterations in the crystalline state following components integration into the self-assembled structures formed during the formulation procedure. Transmission electron microscopy (TEM) showed the spherical nanostructure of the formed niosomes. The formulated nanocarriers exhibited a zeta potential and average hydrodynamic diameter of −10.65 ± 1.37 mV and 339.67 ± 30.88 nm, respectively. Assessment of the pharmacokinetic parameters following oral administration to Mycoplasma gallisepticum-infected broilers revealed the ability of the niosomal nanocarriers to increase the tiamulin’s bioavailability and systemic exposure, marked by significantly higher area under the curve (AUC) (p &lt; 0.01) and prolonged elimination half-life (T1/2) (p &lt; 0.05). Enhanced bioavailability and prolonged residence time are crucial factors in maintaining therapeutic concentrations at reduced doses and administration frequencies. This approach provides a viable strategy to decrease the risk of subtherapeutic levels, thereby mitigating the development of antibiotic resistance. The findings presented herein offer a sustainable approach for the efficient use of antibiotics in veterinary medicine.

Vet informatics and the future of drug discovery in veterinary medicine

Vet informatics and the future of drug discovery in veterinary medicine

Challenges for the veterinary profession: A grounded theory study of veterinarians' experiences of caring for older horses.

In Great Britain, owners are keeping their horses into increasingly older age, reflecting societal changes in human-animal relationships. The uptake of routine veterinary services is reported to reduce as horses age. Horse owners seek information regarding their animal's health from alternative sources before and/or following veterinary involvement. Information regarding the experiences and behaviours of veterinarians toward older horse health care provision is limited. This study sought to explore how veterinary care for the ageing horse is conceptualised and approached by veterinarians treating horses in Great Britain. Exploratory qualitative. A subset of qualitative data, collected as part of a larger study investigating how owners and veterinarians make decisions regarding the care of the older horses, was analysed using a constructivist grounded theory approach. Data included semi-structured in-depth interviews with nine veterinarians and veterinary clinical records pertaining to the horses of 13 participating owners. Veterinarians valued regular interactions with owners to optimise a horse's management, however, the timing and nature of veterinary involvement varied. The context of older age shaped decision-making and 'age-appropriate' interventions were negotiated within the context of each horse and owner. Where participants had concerns about a horse, they sought to achieve an owner's adherence to their advice while navigating the veterinarian-owner relationship. Interpersonal dimensions of veterinarian-owner interactions appeared to shape, and could challenge, veterinarians' delivery of health care services and their own sense of being a professional who cares for animals, and about people. A sample of veterinarians were recruited for this study based on horse owners' involvement. The provision of veterinary care for the older horse rests upon networks of relationships. Collaboration between the profession and owners in both the design and delivery of, veterinary health care services may better enable different types of knowledge and values to be brought together more effectively.

Influence of Drinking Context and Age of Onset on Alcohol Consumption Patterns and Motivations Among Uruguayan Adults.

An early age of drinking onset is linked to a greater likelihood of alcohol-related problems. Alcohol use occurs in places featuring characteristic social groups, and different drinking contexts are associated with different levels of alcohol-related outcomes. Drinking context may affect drinking motives, expectations or alcohol-related outcomes in concert with individual-level variables. The study aimed to examine how the preferred drinking context and age of the first drink affects the occurrence and volume of alcohol use, drinking motives and alcohol-related expectations. This cross-sectional study was conducted at Faculty of Veterinary Medicine, University of the Republic, Montevideo, Uruguay, from September 2020 to January 2021. Uruguayan citizens ≥18 years old were asked about their preferred drinking context, the age of first alcohol use and alcohol consumption frequency. In addition, the Drinking Motives Questionnaire and Alcohol Outcome Expectancies Questionnaire were used. A total of 752 Uruguayan citizens were included. The distribution of alcohol consumption across social contexts was not influenced by the age of first alcohol use. Those who began drinking early and endorsed solitary drinking reported higher frequency of drinking (P <0.05) and coping motives (P <0.05) than any other group. Those who drank at parties reported more conformity motives than most of the groups (P <0.01). An early age of drinking onset was associated with greater enhancement and social motives (P <0.05) and higher alcohol expectancies for stress reduction and social facilitation (P <0.005). Solitary drinking as a high-risk drinking context is likely to interact with the age of first alcohol use, suggesting that drinking in specific contexts is associated with specific drinking motivations and expectancies. This study represents progress towards exploring factors that influence alcohol consumption among a broader range of socio-cultural populations.