Veterinary Medicine International最新文献

{"title":"Prevalence and Types of Gross Lung Lesions in Cattle Slaughtered at the Gondar ELFORA Abattoir: A Cross-Sectional Study.","authors":"Solomon Tsegaye, Birhan Getnet, Amare Bihon Asfaw","doi":"10.1155/vmi/7539360","DOIUrl":"10.1155/vmi/7539360","url":null,"abstract":"<p><strong>Background and aim: </strong>The respiratory system, particularly the lungs, is highly vulnerable to various diseases due to the inhalation of contaminated air and the aspiration of drenches. This study aimed to determine the prevalence of gross lung abnormalities and their economic impact in cattle slaughtered at the Gondar ELFORA abattoir.</p><p><strong>Materials and methods: </strong>A cross-sectional study was used in the study period between December 2023 and June 2024. Systematic random sampling was used to examine every fourth lung hung on the rail. A total of 382 lung samples were examined by visual inspection, palpation, and incision and analysed using descriptive statistical analysis, including calculation of prevalence and the χ² test.</p><p><strong>Result: </strong>The study showed that 231 (60.45%) of the lungs examined had one or more lesions. The prevalence of specific lung conditions was as follows: emphysema (18.06%; <i>p</i> value < 0.001), hydatid cyst (13.87%; <i>p</i> value < 0.001), atelectasis (7.33%; <i>p</i> value < 0.001), pulmonary abscess (6.54%; <i>p</i> value < 0.001), haemorrhage (5.75%; <i>p</i> value < 0.001), fibrosis (3.14%; <i>p</i> value = 0.004), calcification (2.87%; <i>p</i> value = 0.036), oedema (2.6%) and lung worm infestation (0%). Hydatidosis and emphysema were significantly influenced both by body condition and age (<i>p</i> < 0.05). Cattle with thin body conditions showed significant associations with both atelectasis (<i>p</i> = 0.029) and abscess (<i>p</i> = 0.001). In contrast, there was no significant association between age and atelectasis (<i>X</i> ² = 1.4595; <i>p</i> = 0.227) and abscess (<i>X</i> ² = 2.6145; <i>p</i> = 0.106). Of the affected lungs, 176 were condemned due to aesthetic concerns and suspected zoonotic risks, representing a total rejection rate of 46%. The estimated annual economic loss due to lung rejection was approximately $11,836.95 (1,850,115.30 ETB) per year.</p><p><strong>Conclusion: </strong>During the study period, nearly half of the lungs of slaughtered cattle were rejected due to zoonotic concerns and aesthetic values. The substantial rate of pulmonary lesions with a predominant rate of hydatidosis and emphysema resulted in a considerable rejection rate, implicating a critical public health concern. The significant rate of economic loss from this abattoir with low slaughter volume could indicate huge economic loss at the country level and the urgency of improving herd health management.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"7539360"},"PeriodicalIF":2.3,"publicationDate":"2026-08-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13430042/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148670634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Owner-Directed Canine Aggression in Thailand: Triggers, Associated Factors and Clinical Interventions.","authors":"Jarawee Supanta, Worakan Boonhoh, Orachun Hayakijkosol, Tuempong Wongtawan","doi":"10.1155/vmi/6224941","DOIUrl":"10.1155/vmi/6224941","url":null,"abstract":"<p><p>Dog ownership provides physical and psychological benefits; however, inappropriate handling may lead to behavioural problems, particularly owner-directed aggression, which can compromise human wellbeing. This study investigated factors associated with owner-directed aggression and evaluated the effectiveness of interventions in Thailand. A randomised, single-blind clinical trial was conducted in 80 dogs exhibiting moderate to severe owner-directed aggression (including a history of biting). Aggression was assessed using owner questionnaires and veterinary interviews. Dogs were allocated to four groups: feeding toy (TOY), fluoxetine (DRUG), combination therapy (DRUG + TOY) and control. All groups received behavioural modification guidance. Aggression scores were measured before and after four weeks using a standardised scale. Multivariable analysis indicated that human-dog interactions and management practices were significantly associated with aggression scores, whereas owner and dog demographic factors were not. Baseline aggression did not differ among groups (<i>p</i> ≥ 0.05). Following treatment, all groups showed significant improvement (<i>p</i> < 0.05), with the DRUG and DRUG + TOY groups demonstrating greater reductions than the TOY and control groups. No significant differences were observed between DRUG and DRUG + TOY or between TOY and control. Mild side effects of fluoxetine, primarily drowsiness and reduced appetite, were observed during the first week and were less frequent in the combination group. Overall, fluoxetine (0.5-1 mg/kg) was more effective in reducing owner-directed aggression than environmental enrichment and owner education alone. However, enrichment and education play a crucial role in improving dog welfare and in sustainably reducing or preventing aggression and may enhance treatment outcomes when used alongside pharmacological intervention.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"6224941"},"PeriodicalIF":2.3,"publicationDate":"2026-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13426483/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148654390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Influence of Different Levels of a Rubber Seed Kernel Pellet Supplement on Feed Efficiency, Blood Chemistry, and Growth Performance in Beef Cattle.","authors":"Pongsatorn Gunun, Walailuck Kaewwongsa, Natthapong Morthong, Ruttanachira Ruttanaprasert, Chatchai Kaewpila, Waroon Khota, Nirawan Gunun","doi":"10.1155/vmi/2226359","DOIUrl":"10.1155/vmi/2226359","url":null,"abstract":"<p><p>The rubber seed kernel is a byproduct of rubber plantations and has potential as a source of protein and lipids. The aim of the current study was to evaluate the effect of rubber seed kernel pellet (RUSKEP) supplementation on feed intake, nutrient digestibility, blood chemistry, and growth performance. Twelve crossbred (Brahman × Thai native) bulls with a body weight (BW) of 285 ± 17 kg were randomly assigned to three treatments for 60 days in a completely randomized design (CRD). RUSKEP was supplemented at 0, 200, and 400 g/animal/day. Animals were fed a total mixed ration (TMR) at 2.3% BW. The dry matter (DM) intake was similar among treatments (<i>p</i> > 0.05). The addition of RUSKEP did not influence nutrient intake (<i>p</i> > 0.05), whereas ether extract (EE) intake increased with the increasing levels of RUSKEP (<i>p</i> < 0.001). The digestibility of crude protein (CP) and EE increased with increasing levels of RUSKEP (<i>p</i> ≤ 0.03). Supplementation of RUSKEP had no effect on blood metabolites (<i>p</i> > 0.05), except for cholesterol, which increased with adding RUSKEP (<i>p</i> ≤ 0.005). Average daily gain (ADG) increased with the RUSKEP supplementation (<i>p</i> = 0.03). ADG was highest at 200 g/animal/day, suggesting a potential optimal level for cattle. The feed conversion ratio (FCR) decreased with the RUSKEP supplementation (<i>p</i> = 0.04). Supplementation with 200 g/animal/day of RUSKEP improves ADG and feed efficiency in tropical beef cattle.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"2226359"},"PeriodicalIF":2.3,"publicationDate":"2026-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13422638/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148631671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Coprological Investigation of Endoparasites in One-Horned Rhinoceros (<i>Rhinoceros unicornis</i>) Outside the Chitwan National Park, Nepal.","authors":"Roshan Babu Adhikari, Madhuri Adhikari Dhakal, Tirth Raj Ghimire","doi":"10.1155/vmi/8885152","DOIUrl":"10.1155/vmi/8885152","url":null,"abstract":"<p><strong>Introduction: </strong>The One-HornedRhino (<i>Rhinoceros unicornis</i>) is a vulnerable species that inhabits the lowlands of Nepal. With the existence of several threatening factors, such as poaching, natural disasters, food toxicity, and diseases, their survival and overall health are continuously threatened. In this context, diseases caused by intestinal parasites can serve as a warning sign. However, the occurrence of parasite types and the predicted impacts of parasitism in these megaherbivores remained unclear and questionable in Nepal.</p><p><strong>Aims: </strong>The current study aimed to determine the presence of endoparasites (protozoa and helminths) inhabiting these hosts, which naturally live freely outside the Chitwan National Park (CNP) in Central Nepal.</p><p><strong>Methodology: </strong>Sixty fresh fecal samples (<i>N</i> = 60) from five different sampling locations along the nearby territories were collected opportunistically using noninvasive methods and transported to the research laboratory. Coproscopy was carried out following standard protocols and laboratory techniques, including direct wet mount, concentration, and acid-fast staining methods.</p><p><strong>Results: </strong>The results showed a 100% prevalence rate, with 16 species of intestinal parasites (Protozoa: 5; Helminths: 11). Furthermore, the chi-square (<i>χ</i> ²) goodness-of-fit test indicated a statistical difference between the frequencies of protozoan (16.7%) and helminth (98.3%) detections (<i>p</i> < 0.05, <i>χ</i> ² = 5.04, degree of freedom = 1). <i>Entamoeba</i> sp. and <i>Eimeria</i> spp. were the most frequently recorded protozoa, while <i>Anoplocephala</i> spp. and Strongyle were the most frequently recorded helminths. Additionally, monoparasitic infection was not observed, and quadruplet infection (coinfection with four parasite species) represented the most prevalent pattern (25%).</p><p><strong>Conclusions: </strong>This is the first study to document protozoan and helminth diversity and multiparasitism in free-ranging rhinos outside protected areas in Nepal. Our findings of 100% prevalence and 16 diverse parasite taxa highlight the need for urgent antiparasitic drug treatment for those rhino populations.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"8885152"},"PeriodicalIF":2.3,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13417725/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148621472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"General and Specific Combining Abilities for Egg Production Traits in a Two-Way Cross Between South African Local and Commercial Chicken Breeds.","authors":"Kwena Mokoena, Vusi Mbazima, Louis Tyasi","doi":"10.1155/vmi/9981706","DOIUrl":"10.1155/vmi/9981706","url":null,"abstract":"<p><p>This study aimed to determine the general combining ability (GCA) and specific combining ability (SCA) for egg production in a two-way cross between Potchefstroom Koekoek (PK) and Lohmann Brown (LB) chicken breeds. The study used 352 chickens in a completely randomized design. A total of 524 eggs were collected from the pure and crossbred chickens. <i>R</i> (Version 4.4.2) was used for data analysis. The results showed that the GCA effects were highly significant (<i>p</i> < 0.01) for age at first egg (0.50) and hen housed production (5.35), and SCA was highly significant (<i>p</i> < 0.01) for age at first egg (16.00) and hen housed production (36.49). GCA and SCA had no significant (<i>p</i> > 0.05) effect on external and internal egg quality traits. The GCA/SCA ratio results indicated that nonadditive influences (<i>p</i> < 0.05) body weight (-0.45) and egg weight (-0.92), while additive influences (<i>p</i> < 0.05) albumen ratio (5.89). The study concluded that selection for breeding, prioritizing parents with superior GCA, ensures predictable body weight. The results of the GCA/SCA ratio highlight selection and crossbreeding as ideal for improving body weight and egg weight. Furthermore, the use of a LB sire and PK dam is considered for developing a new strain.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"9981706"},"PeriodicalIF":2.3,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13417017/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148621543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of Unregistered, Substandard, and Falsified Veterinary Antimicrobials in Ethiopia: A National Postmarket Quality Surveillance Study.","authors":"Belachew Tefera, Belachew Bacha, Nardos Tefera, Gudeta Uma, Tadese Setegn, Bizuayehu Belete, Diriba Daba, Dinsefa Jemal, Yilak Tefera, Hussen Bedu, Tamiru Tilki, Dagnachew Hailemichael, Solomon Kebede, Hamid Jemal, Tesfa Marew, Dawit Teshome, Teferi Gedif, Esayas Gelaye, Tenaw Andualem, Ayenew Ashenef","doi":"10.1155/vmi/6524636","DOIUrl":"10.1155/vmi/6524636","url":null,"abstract":"<p><strong>Background: </strong>The proliferation of unregistered, substandard, and falsified (SF) veterinary pharmaceuticals represents a critical global threat to animal health, food security, and environmental conservation. In sub-Saharan Africa, these products exacerbate the emergence of antimicrobial resistance (AMR), potentially accelerating the transition toward a \"post-antibiotic\" era. Despite Ethiopia's relatively developed regulatory framework compared to neighboring states, vulnerabilities such as inadequate diagnostic facilities, porous supply chains, and limited postmarketing surveillance results in enforcement persist.</p><p><strong>Objective: </strong>This descriptive study was conducted to determine the prevalence and quality profile of selected veterinary antimicrobials, including antibacterials, anthelmintics, and antiprotozoals, circulating in the Ethiopian market.</p><p><strong>Methods: </strong>Postmarket quality surveillance (PMS) study was conducted across five administrative regions. A total of 142 samples were collected and evaluated through three distinct regulatory tiers: verification of Ethiopian Agricultural Authority (EAA) registration status, standardized visual/physical screening, and official pharmacopeial (compendial) laboratory testing.</p><p><strong>Results: </strong>The majority of sampled products (95.7%) were imported, predominantly from China (75.7%) and India (15.0%). Primary sampling sites included veterinary retail outlets (50.7%) and clinics (22.9%). Regulatory analysis revealed that 17.9% (<i>n</i> = 25) of samples were unregistered. Visual screening identified an administrative substandard prevalence of 24.3% among registered products. Of the 44 samples subjected to compendial laboratory analysis, 22.7% (<i>n</i> = 10) failed to meet established pharmacopeial specifications. While suspected falsified products were identified through labeling discrepancies, laboratory confirmation of falsification is ongoing.</p><p><strong>Conclusions: </strong>Unregistered and substandard veterinary medicines are circulating in the Ethiopian supply chain, posing severe risks to animal health and contributing to the regional AMR crisis. These findings necessitate urgent, concerted efforts from stakeholders to strengthen the national regulatory system, enhance EAA laboratory capacity, and secure the pharmaceutical supply chain through targeted postmarketing enforcement.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"6524636"},"PeriodicalIF":2.3,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13419081/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148621541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Elastography of the Intestinal Mucosa of Dogs With Chronic Inflammatory Enteropathy.","authors":"Iago Martins Oliveira, Rafaela Rodrigues Ribeiro, Maria Eduarda Cardoso Cysneiros, Vanessa Rezende Moraes, Lucas Rodrigues Ferreira, Wanessa Patrícia Rodrigues Da Silva, Murilo Rodrigues De Souza, Rafael Antônio Lopes Xavier, Marco Augusto Machado Silva, Naida Cristina Borges","doi":"10.1155/vmi/5562334","DOIUrl":"10.1155/vmi/5562334","url":null,"abstract":"<p><p>The aim of this study was to determine the association between intestinal elastography and laboratory, clinical, ultrasound, endoscopic, and histopathological parameters in dogs with chronic inflammatory enteropathy (CIE). Twelve dogs were assessed and divided into two groups: six dogs with CIE (EG) and six healthy dogs (CG). Strain ratio (SR) values for the duodenum in the EG ranged from 1.01 to 3.3, with a mean of 2.105 ± 1.016, while in the CG, they ranged from 0.2 to 0.96, with a mean of 0.5667 ± 0.3133. For the jejunum, the values in the EG ranged from 1.19 to 2.76, with an average of 1.867 ± 0.5711, and in the CG, they ranged from 0.15 to 0.72, with an average of 0.4667 ± 0.2439. The results showed that the EG dogs had higher values in the elastography parameters than the CG, with significant differences in the SR of the duodenum (<i>p</i> = 0.0053) and jejunum (<i>p</i> = 0.0003). There was no significant correlation between intestinal elasticity and the variables weight and age of the dogs, either in the EG or in the CG. For the clinical, laboratory, and ultrasound parameters, there were weak negative and positive correlations between the variables analyzed, except for a strong, negative, and statistically significant correlation (<i>r</i> = -0.886, <i>p</i> = 0.033) between jejunal SR and serum albumin. Digestive endoscopy and histopathological analysis showed varied lesions, with no significant correlation with elastography values. It is concluded that strain elastography is a viable technique for assessing the intestines of dogs with CIE, showing higher intestinal stiffness values compared to healthy dogs. It was not possible to infer that increased SR suggests intestinal fibrosis and that mucosal hardness is associated with greater clinical alterations and complementary tests. Despite this, we suggest that the results found be applied in further studies with a larger number of animals, measuring more specific biological markers for the canine gastrointestinal tract and making better use of the samples obtained from intestinal biopsy and histopathology.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"5562334"},"PeriodicalIF":2.3,"publicationDate":"2026-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13420315/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148631659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antibiotic Resistance of Profiles of <i>Escherichia coli</i> Strains From Imported Chicks and Eggs in the Semi-Intensive Poultry Sector of Kinshasa, Democratic Republic of the Congo.","authors":"Branham Kitoko, Soledad Colombe, Tatiana Banze, Patrick Ngoie, Papy Katembo, Prince Kimpanga, Joseph Mabi, Justin Masumu","doi":"10.1155/vmi/1141830","DOIUrl":"10.1155/vmi/1141830","url":null,"abstract":"<p><p>Poultry production in the Democratic Republic of Congo can be divided into three sectors: large-scale, semi-intensive, and backyard production. Kinshasa, capital city of the Democratic Republic of Congo, hosts a number of large-scale and semi-intensive farms that import the majority of their day-old chicks and fertilized eggs. These imports are carried out legally, and both the chicks and eggs arrive by air. They could introduce pathogenic bacteria, including antibiotic-resistant strains. This study aimed to assess the level of antibiotic resistance in <i>E. coli</i> strains isolated from fecal samples of imported chicks and locally hatched chicks from imported eggs in the semi-intensive poultry production system in Kinshasa. This study was conducted from September 15, 2019, to April 15, 2020. Five (56%) importers and hatcheries based in Kinshasa agreed to participate and to inform the team of incoming batches. The team was made aware of five batches. Cloacal samples were collected from egg-laying chicks imported from Belgium (two batches), broiler chicks imported from Zambia (two batches), and broiler chicks hatched locally from incubated eggs imported from an unidentified country (one batch). Samples underwent biochemical identification for <i>E. coli</i> and antimicrobial resistance testing using the disk diffusion method. <i>E. coli</i> was detected in all cloacal samples. Antibiotic susceptibility testing revealed high resistance to amoxicillin (76%), trimethoprim/sulfamethoxazole (75%), and ampicillin (69%), but little to no resistance to cefuroxime (0%), gentamicin (20%), and cefixime (24%). All imported batches were resistant to at least one antibiotic, with the strains from Belgium and Zambia exhibiting two and five different resistance profiles, respectively. This study demonstrates that the importation of chicks and fertilized eggs into the DRC can lead to the introduction of multidrug-resistant <i>E. coli</i> strains.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"1141830"},"PeriodicalIF":2.3,"publicationDate":"2026-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13408706/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148621516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Screening of Chemical Residues and Antimicrobial Resistance in Dehydrated Chicken Feet Intended as Dog Treats: A Pilot Study.","authors":"Carlotta Marini, Francesco Lipani, Carla Sabia, Mario Nicotra, Ramona Iseppi, Giorgio Biscontini, Matteo Cerquetella, Marco Meschiari, Giuseppe Di Gregorio, Mahmoud Alagawany, Roberta Tardugno, Filomena Corbo, Alessandro Di Cerbo","doi":"10.1155/vmi/4081691","DOIUrl":"10.1155/vmi/4081691","url":null,"abstract":"<p><p>The pet population is steadily increasing worldwide, and treats, which account for approximately 15% of the pet food market, are the fastest-growing segment of the pet food industry. However, the widespread use of antimicrobials in poultry farms may pose a direct risk to pets' health, leading to the emergence of antimicrobial resistance. For this reason, we sought to assess the possible presence of drug residues and antimicrobial-resistant bacteria in a limited cohort of 11 dehydrated chicken feet intended as dog treats purchased from the European market. Residues of nicarbazin (64%), 4-4' dinitrocarbanilide (64%), semicarbazide (91%), decoquinate (9%), cypermethrin (27%), dichlorvos (9%), pirimiphos-methyl (36%), piperonyl butoxide (18%), toltrazuril sulfone (9%), doxycycline (9%), lasalocid A (9%), monensin A (9%), and 37 bacterial strains belonging to the <i>Staphylococcus</i> genus (<i>S. warneri</i>, <i>S. haemolyticus</i>, <i>S. pasteuri</i>, and <i>S. intermedius</i>) were detected among all samples. <i>S. warneri</i> species was resistant to oxacillin, erythromycin, clindamycin, teicoplanin, and tetracycline (25%, 25%, 37.5%, 6.25%, and 6.25%, respectively), <i>S. haemolyticus</i> was also resistant to erythromycin, clindamycin, teicoplanin, and tetracycline (52.9%, 11.7%, 29.4%, and 35.2%, respectively), while <i>S. pasteuri</i> was resistant to both oxacillin and clindamycin (66.6% and 33.3%, respectively). No resistance was detected for <i>S. intermedius</i>. The detection of multiple residues further suggests the possibility of cumulative or synergistic toxic effects, especially with prolonged intake. In this sense, a One Health approach to mitigate risks associated with antimicrobial resistance and chemical exposure in pets and, in turn, in humans becomes mandatory.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"4081691"},"PeriodicalIF":2.3,"publicationDate":"2026-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13411798/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148621548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Detection of Selected Extended-Spectrum β-Lactamase (ESBL) Genes in <i>Escherichia coli</i> Isolated From Dogs at Juanda Quarantine Station, Surabaya, Indonesia.","authors":"Benny Aprisa Surya Perdana, Mustofa Helmi Effendi, Wiwiek Tyasningsih, Wiwik Misaco Yuniarti, Boedi Setiawan, Dadik Rahardjo, Fidi Nur Aini Eka Puji Dameanti, John Yew Huat Tang","doi":"10.1155/vmi/3595305","DOIUrl":"10.1155/vmi/3595305","url":null,"abstract":"<p><p>Currently, global health is threatened by the issue of antibiotic resistance, with companion animals potentially serving as reservoirs of extended-spectrum β-lactamase (ESBL) genes. This study aimed to detect selected ESBL genes in <i>Escherichia coli</i> isolated from dogs undergoing interregional transport procedures at Juanda Quarantine Station, Surabaya, Indonesia. This study was conducted from March to May 2025 at Juanda Quarantine Station, Surabaya, Indonesia. Rectal swab samples collected from 113 dogs were preenriched in Buffered Peptone Water (BPW), followed by isolation and identification of Escherichia coli. Selected ESBL genes (<i>blaCTX-M</i>, <i>blaTEM</i>, and <i>blaSHV</i>) were detected by polymerase chain reaction (PCR). The identification results showed that 75.22% (85/113) were positive for <i>Escherichia coli</i>. Among these isolates, 3 (3.53%) carried ESBL genes, with 2/3 (66.67%) harboring a combination of <i>blaCTX-M</i> and <i>blaTEM</i> and 1/3 (33.33%) carrying <i>blaCTX-M</i> alone. No <i>blaSHV</i> gene was detected. Although the prevalence was relatively low, these findings indicate that dogs may serve as carriers of ESBL-producing <i>Escherichia coli</i> and may contribute to the dissemination of antimicrobial resistance. These results underscore the importance of prudent antibiotic use, strengthened antimicrobial stewardship, and a One Health approach to mitigate the spread of antimicrobial resistance among humans, animals, and the environment.</p>","PeriodicalId":23503,"journal":{"name":"Veterinary Medicine International","volume":"2026 ","pages":"3595305"},"PeriodicalIF":2.3,"publicationDate":"2026-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13409032/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148621502","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}