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Effects of low-dose subchronic exposure to the phenylpyrazole insecticide fipronil in juvenile mice. 低剂量亚慢性暴露于苯吡唑类杀虫剂氟虫腈对幼鼠的影响。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-04-01 Epub Date: 2025-02-13 DOI: 10.1292/jvms.24-0531
Ayano Yoshimoto, Sarika Nunobiki, Makiko Ito, Sakura Yonoichi, Yukako Hara, Yuya Ishida, Youhei Mantani, Toshifumi Yokoyama, Tetsushi Hirano, Yoshinori Ikenaka, Nobuhiko Hoshi
{"title":"Effects of low-dose subchronic exposure to the phenylpyrazole insecticide fipronil in juvenile mice.","authors":"Ayano Yoshimoto, Sarika Nunobiki, Makiko Ito, Sakura Yonoichi, Yukako Hara, Yuya Ishida, Youhei Mantani, Toshifumi Yokoyama, Tetsushi Hirano, Yoshinori Ikenaka, Nobuhiko Hoshi","doi":"10.1292/jvms.24-0531","DOIUrl":"10.1292/jvms.24-0531","url":null,"abstract":"<p><p>Fipronil (FPN) inhibits gamma-aminobutyric acid type A receptors and exhibits strong insecticidal effects. Although FPN's adverse effects on mammals have been reported recently, few studies have examined subchronic exposure to low doses. We orally administered FPN (0.43 mg/kg) to 4-week-old male mice for 6 wk and assessed their behavior and blood characteristics. Compared with the control group, the FPN-treated group presented reduced weight gain but upward trends in locomotor activity and blood histamine levels. Fipronil sulfone (FPNS) was detected in all individuals, whereas FPN was not detected in any individual. The present study shows for the first time that subchronic exposure to low-dose FPN in mice led to FPNS conversion in the body, affecting weight gain and behavior.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"419-425"},"PeriodicalIF":1.1,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11964855/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143411044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Upregulation of lipocalin-2 in the retina of experimental autoimmune uveitis. 实验性自身免疫性葡萄膜炎视网膜中脂钙素-2的上调
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-02-04 DOI: 10.1292/jvms.24-0231
Hyeonju Kim, Meejung Ahn, Kyungsook Jung, Sungmoo Hong, Deokho Ko, Taeyoung Kang, Taekyun Shin, Jeongtae Kim
{"title":"Upregulation of lipocalin-2 in the retina of experimental autoimmune uveitis.","authors":"Hyeonju Kim, Meejung Ahn, Kyungsook Jung, Sungmoo Hong, Deokho Ko, Taeyoung Kang, Taekyun Shin, Jeongtae Kim","doi":"10.1292/jvms.24-0231","DOIUrl":"10.1292/jvms.24-0231","url":null,"abstract":"<p><p>Lipocalin-2, a siderophore-binding protein, is an antimicrobial, exerting both pro-inflammatory and anti-inflammatory actions. Lipocalin-2 is also involved in glial activation, matrix metalloproteinase stabilization, and cellular iron flux, all of which play roles in autoimmune diseases. The present study aimed to determine the expression of lipocalin-2 in the eyes of Lewis rats with interphotoreceptor-binding protein-induced experimental autoimmune uveitis (EAU). Significantly elevated serum lipocalin-2 levels were also detected in rats by enzyme-linked immunosorbent assay (ELISA). Lipocalin-2 immunostaining was detected predominantly in activated glial cells, including glutamine synthase-positive Müller cells, and ionized calcium-binding adaptor molecule 1-positive microglia and macrophages in EAU rats. Taken together, the results presented herein show that lipocalin-2 is a potential diagnostic marker for uveitis.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"301-307"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903361/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143257222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of a novel modified selective medium cefixime-tellurite-phosphate-xylose-rhamnose MacConkey agar for the isolation of Escherichia albertii from diarrheal stool specimens. 头孢克肟-磷酸盐-木糖糖-鼠李糖麦康基琼脂培养基分离阿尔伯氏大肠杆菌的研究。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-01-24 DOI: 10.1292/jvms.24-0500
Keiji Takehira, Sharda Prasad Awasthi, Noritoshi Hatanaka, Akira Nagita, Atsushi Hinenoya, Shinji Yamasaki
{"title":"Evaluation of a novel modified selective medium cefixime-tellurite-phosphate-xylose-rhamnose MacConkey agar for the isolation of Escherichia albertii from diarrheal stool specimens.","authors":"Keiji Takehira, Sharda Prasad Awasthi, Noritoshi Hatanaka, Akira Nagita, Atsushi Hinenoya, Shinji Yamasaki","doi":"10.1292/jvms.24-0500","DOIUrl":"10.1292/jvms.24-0500","url":null,"abstract":"<p><p>It is challenging to isolate Escherichia albertii from clinical specimens. Therefore, a medium that can selectively grow E. albertii and differentiate it from E. coli is earnestly desired. Here, we describe the evaluation of a recently developed selective differential medium, called cefixime-tellurite-phosphate-xylose-rhamnose-MacConkey (CT-PS-XR-MacConkey) medium, which enables the specific growth of E. albertii and differentiation of E. albertii (colorless) from E. coli (red) based on colony color and thus, facilitating the efficient isolation of E. albertii from diarrheal stool. When three E. albertii negative diarrheal stools were inoculated onto CT-PS-XR-MacConkey and xylose-rhamnose-melibiose (XRM) containing MacConkey agars, no colorless colonies were observed on both the media. However, when E. albertii was spiked into these three diarrheal stools, the ratio of colorless colonies to red colonies was higher on CT-PS-XR-MacConkey agar compared to XRM-MacConkey agar in all three samples. Notably, out of 105 Eacdt-gene PCR negative diarrheal stools 56 yielded colorless colonies on MacConkey agar while out of these 56 diarrheal stools, nine yielded colorless colonies on XRM-MacConkey but no colorless colonies were observed on CT-PS-XR-MacConkey agar. Furthermore, evaluation of these two media with five E. albertii positive-stool specimens revealed that the number of red colonies were constantly less, whereas that of colorless colonies were constantly more on CT-PS-XR-MacConkey agar, thus aiding in efficient isolation. Altogether, these results suggest that the CT-PS-XR-MacConkey agar could be a useful selective differential medium for isolation of E. albertii from diarrheal stool specimens.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"308-314"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903357/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048663","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Suspected fibrocartilaginous embolus in Asian small-clawed otter (Aonyx cinereus). 亚洲小爪水獭（Aonyx cinereus）疑似纤维软骨栓塞。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-02-07 DOI: 10.1292/jvms.24-0462
Toshiyuki Tanaka, Konomi Ito, Yoshimi Miyagawa, Motomu Morishita, Mizuki Tomihari, Takashi Hasegawa
{"title":"Suspected fibrocartilaginous embolus in Asian small-clawed otter (Aonyx cinereus).","authors":"Toshiyuki Tanaka, Konomi Ito, Yoshimi Miyagawa, Motomu Morishita, Mizuki Tomihari, Takashi Hasegawa","doi":"10.1292/jvms.24-0462","DOIUrl":"10.1292/jvms.24-0462","url":null,"abstract":"<p><p>An 11-year-old neutered male Asian small-clawed otter fell down the stairs while sleeping, after which it developed left-sided paralysis. Initial treatment involved once daily administration of prednisolone at 0.5 mg/kg. Despite slight clinical sign improvements by day 10, paralysis persisted. MRI (T2WI) identified a well-defined, hyper-intense lesion on the left side within the spinal cord at the C2-3 intervertebral level. Based on CT and MRI findings, fibrocartilaginous embolus (FCE) was suspected. Prednisolone was then tapered and by day 23 of illness, the otter was able to walk normally, so prednisolone administration was discontinued. No neurological symptom recurrence was observed, and the course remained favorable. One year later, a follow up MRI revealed a diminished lesion compared to initial examination.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"332-335"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903358/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution and Fasciola infection rates of Lymnaea snails and cattle in high-salinity areas of Mekong Delta, Vietnam. 越南湄公河三角洲高盐度地区蜗牛和牛片形吸虫的分布及感染率。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-01-30 DOI: 10.1292/jvms.24-0528
Dang Thi Loan, Lam Thanh Nguyen, Tran Ngoc Bich, Nguyen Thuy Y Vi, Yasunobu Matsumoto
{"title":"Distribution and Fasciola infection rates of Lymnaea snails and cattle in high-salinity areas of Mekong Delta, Vietnam.","authors":"Dang Thi Loan, Lam Thanh Nguyen, Tran Ngoc Bich, Nguyen Thuy Y Vi, Yasunobu Matsumoto","doi":"10.1292/jvms.24-0528","DOIUrl":"10.1292/jvms.24-0528","url":null,"abstract":"<p><p>Fasciola-induced fascioliasis is a zoonotic disease with significant health and economic impacts on humans and livestock. Freshwater Lymnaea snails serve as intermediate hosts, contributing to the increasing prevalence of fascioliasis in cattle in coastal areas. The salinity tolerance of Lymnaea snails was investigated along with their distribution and Fasciola infection rates in both snails and grazing cattle in Ben Tre, Tra Vinh, and Soc Trang provinces in Mekong Delta, Vietnam, where seawater reversely enters into the paddy field during the dry season. Lymnaea snails were collected from 53 communes across the three provinces and analyzed for Fasciola larval infections. Additionally, cattle fecal samples were examined for the presence of Fasciola eggs. The salinity levels in the study areas ranged from 0.03% to 1.90%. In total, 1,152 Lymnaea snails including L. viridis and L. rubiginosa were collected. The maximum salinity levels of L. viridis and L. rubiginosa habitats were 0.64% and 0.74%, respectively. The Fasciola infection rates of L. viridis were 2.0% in low-salinity areas and 3.7% in high-salinity areas, whereas no L. rubiginosa infections were detected in either salinity area. The prevalence of cattle fascioliasis in high-salinity areas (35.7%) was similar to low-salinity areas (32.9%). This study is the first to demonstrate that L. viridis can thrive and sustain Fasciola transmission under high-salinity conditions, suggesting the salinity tolerance of these intermediate host snails as a key factor contributing to the expansion of fascioliasis in high-salinity coastal areas.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"291-300"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903356/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143068887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Encephalitozoon intestinalis infection in free-ranging giant anteater (Myrmecophaga tridactyla) and armadillo species (Priodontes maximus, Euphractus sexcinctus, Cabassous squamicaudis). 散养大食蚁兽（Myrmecophaga ptridactyla）和犰狳（Priodontes maximus, Euphractus sexcinctus, Cabassous squamicaudis）的肠内脑虫感染。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-02-03 DOI: 10.1292/jvms.24-0348
Beatriz Regina Rodrigues Carvalho, Ronalda Silva de Araujo, Danilo Kluyber, Arnaud Léonard Jean Desbiez, Mayara Grego Caiaffa, Mario Henrique Alves, Grazielle Soresini, Bruno de Lima Araújo, Maria Anete Lallo
{"title":"Encephalitozoon intestinalis infection in free-ranging giant anteater (Myrmecophaga tridactyla) and armadillo species (Priodontes maximus, Euphractus sexcinctus, Cabassous squamicaudis).","authors":"Beatriz Regina Rodrigues Carvalho, Ronalda Silva de Araujo, Danilo Kluyber, Arnaud Léonard Jean Desbiez, Mayara Grego Caiaffa, Mario Henrique Alves, Grazielle Soresini, Bruno de Lima Araújo, Maria Anete Lallo","doi":"10.1292/jvms.24-0348","DOIUrl":"10.1292/jvms.24-0348","url":null,"abstract":"<p><p>Microsporidia are emerging, opportunistic fungi that infect a diverse population of vertebrates and invertebrates. Mammals of the superorder Xenarthra can harbor and transmit several pathogens, acting as important sources of infection for spreading various zoonoses. Microsporidia have not yet been described in this group of animals, the aim of this study was to analyze the occurrence of the zoonotic microsporidian Encephalitozoon intestinalis, Encephalitozoon cuniculi and Enterocytozoon bieneusi in the feces of giant anteater (Myrmecophaga tridactyla) and armadillo species (Priodontes maximus, Euphractus sexcinctus, Dasypus novemcinctus, Cabassous squamicaudis) monitored by Wild Animal Conservation Institute (ICAS) in Brazil. Fecal samples (n=127) were subjected to DNA extraction with the QIAamp Fast DNA Stool Mini Kit. Amplification by PCR was performed with generic primers and the product generated from this reaction was subjected to nested PCR with specific primers. Eleven samples tested positive for E. intestinalis, two from M. tridactyla (2/56, 3.6%), seven from E. sexcinctus (7/51, 13.7%), two from P. maximus (2/11, 18%) and one from C. squamicaudis (1/3, 33.3%). There was a predominance of positive results in adult animals, of both sexes across and in the Pantanal and Cerrado biomes. In conclusion, the prevalence in Xenarthra was 9.4%, with a higher occurrence in armadillos than in anteaters. Therefore, the species of wild mammals studied here should be considered reservoirs of microsporidian pathogens and have a relevant role in the concept of One Health.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"320-325"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence and patterns of ectoparasites infesting Pallas's squirrels (Callosciurus erythraeus) in Kanagawa Prefecture, Japan. 日本神奈川县赤松鼠（Callosciurus erythraeus）体表寄生虫的流行及分布模式。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-02-03 DOI: 10.1292/jvms.24-0301
Aya Masuda, Natsumi Hayashi, Kaito Otsuru, Chinatsu Kobayashi, Sakura Miki, Fuko Takahata, Kanata Takahashi, Fumiaki Yamasaki, Jun Matsumoto
{"title":"Prevalence and patterns of ectoparasites infesting Pallas's squirrels (Callosciurus erythraeus) in Kanagawa Prefecture, Japan.","authors":"Aya Masuda, Natsumi Hayashi, Kaito Otsuru, Chinatsu Kobayashi, Sakura Miki, Fuko Takahata, Kanata Takahashi, Fumiaki Yamasaki, Jun Matsumoto","doi":"10.1292/jvms.24-0301","DOIUrl":"10.1292/jvms.24-0301","url":null,"abstract":"<p><p>The Pallas's squirrel (Callosciurus erythraeus) has invaded fragmented woodlands in urban areas of Kanagawa Prefecture, where frequent human contact occurs. We examined 538 squirrels in Hayama-machi, Kanagawa Prefecture, for ectoparasite infestations. A total of 1,164 lice, 877 fleas, and 231 ticks were retrieved from 297 (55.2%), 338 (62.8%), and 135 (25.1%) squirrels, respectively. The identified ectoparasite species were Neohaematopinus callosciuri, Ceratophyllus anisus, Haemaphysalis flava, Haemaphysalis hystricis, and Ixodes turdus. The prevalence of N. callosciuri and C. anisus was significantly higher in adult males (N. callosciuri 63.6%, C. anisus 70.4%) than that in adult females (N. callosciuri 36.1%, C. anisus 49.0%; P<0.0001). Such information on the dynamics of host-ectoparasite relations is crucial for evaluating the risk to public health.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"326-331"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903346/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geographical variation in antimicrobial resistant Salmonella Schwarzengrund from chicken meat in Japan. 日本鸡肉中抗微生物沙门氏菌的地理变异。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-10 Epub Date: 2025-01-24 DOI: 10.1292/jvms.24-0279
Yoshimasa Sasaki, Yoko Furuya, Shotaro Suzuki, Yoshika Momose, Masashi Uema, Mitsunori Kayano, Chihiro Aikawa, Mizuki Sasaki, Masashi Okamura, Kenji Ohya
{"title":"Geographical variation in antimicrobial resistant Salmonella Schwarzengrund from chicken meat in Japan.","authors":"Yoshimasa Sasaki, Yoko Furuya, Shotaro Suzuki, Yoshika Momose, Masashi Uema, Mitsunori Kayano, Chihiro Aikawa, Mizuki Sasaki, Masashi Okamura, Kenji Ohya","doi":"10.1292/jvms.24-0279","DOIUrl":"10.1292/jvms.24-0279","url":null,"abstract":"<p><p>Chicken meat is a major source of foodborne salmonellosis. In Japan, fluoroquinolones and third-generation cephalosporins are the first- and second-choice treatments for Salmonella gastroenteritis, respectively. We investigated the prevalence and antimicrobial resistance of Salmonella in 154 chicken meat products from Hokkaido (42), Tohoku (45), Kanto (5), and Kyushu (62), Japan. Salmonella was isolated from 133 products (86.4%). High resistance rates were observed for streptomycin (56.5%), tetracycline (50.7%), and kanamycin (47.8%), while all isolates were susceptible to cefazolin, cefotaxime, gentamicin, ciprofloxacin, colistin, and chloramphenicol. The most common serovar, Salmonella Schwarzengrund (83.3%), showed clear regional differences in multidrug resistance: 100% in Kyushu, 41.5% in Tohoku, and 0% in Hokkaido. These findings highlight significant geographical variation in antimicrobial resistance among Salmonella Schwarzengrund isolates.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"315-319"},"PeriodicalIF":1.1,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903353/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143048664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic resonance imaging and pathological findings of aortoiliac thromboembolism with a thoracic aortic mural thrombus in a Japanese Black calf. 日本黑犊主动脉髂血栓栓塞伴胸主动脉壁血栓的磁共振成像和病理表现。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-01 Epub Date: 2025-01-21 DOI: 10.1292/jvms.24-0407
Natsuki Akashi, Ayako Okada, Koutaro Nakamura, Takeshi Tsuka
{"title":"Magnetic resonance imaging and pathological findings of aortoiliac thromboembolism with a thoracic aortic mural thrombus in a Japanese Black calf.","authors":"Natsuki Akashi, Ayako Okada, Koutaro Nakamura, Takeshi Tsuka","doi":"10.1292/jvms.24-0407","DOIUrl":"10.1292/jvms.24-0407","url":null,"abstract":"<p><p>A 24-day-old female Japanese Black calf presented a sudden paraplegia after a history of watery diarrhea. Antemortem magnetic resonance imaging confirmed the suspicion of thrombotic component in the abdominal aorta, without any spinal cord abnormality at the lumbar region. On necropsy, a massive thrombus occupied the lumen from the distal abdominal aorta to the bifurcation of the external iliac arteries. In the thoracic aorta, another mural thrombus developed from the caudal side of the incompletely closed ductus arteriosus orifice, with aortic wall erosion. Both thrombi were mainly composed of platelets. Any microbes were undetected during organ and thrombus incubations. A saddle embolism in the abdominal aorta occurred by an abacterial white thrombus suspiciously originated from the thoracic aortic mural thrombus.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"263-268"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903360/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143025480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of storage conditions and periods for a three-drug anesthetic mixture in mice. 三药麻醉混合物在小鼠体内贮存条件和贮存期的评价。
IF 1.1 4区 农林科学
Journal of Veterinary Medical Science Pub Date : 2025-03-01 Epub Date: 2025-01-21 DOI: 10.1292/jvms.24-0516
Hiroyuki Imai, Muneyoshi Hyoto, Kaoru Fujino, Sumito Matsuya, Akari Nishida, Ryoji Aoyagi, Yunosuke Tsutsumi, Kiyoshi Kano, Ken Takeshi Kusakabe
{"title":"Evaluation of storage conditions and periods for a three-drug anesthetic mixture in mice.","authors":"Hiroyuki Imai, Muneyoshi Hyoto, Kaoru Fujino, Sumito Matsuya, Akari Nishida, Ryoji Aoyagi, Yunosuke Tsutsumi, Kiyoshi Kano, Ken Takeshi Kusakabe","doi":"10.1292/jvms.24-0516","DOIUrl":"10.1292/jvms.24-0516","url":null,"abstract":"<p><p>The three-drug anesthetic mixture (medetomidine, midazolam and butorphanol), developed as an injectable anesthetic for laboratory animals, has been verified from various perspectives and applied to mice and other laboratory animals. However, the effects of its storage conditions and periods on its efficacy have not yet been studied. This study investigated the mixture's efficacy after storage under various conditions (room temperature, 4°C and -20°C) for 1 and 2 years. Mice in all groups were induced into a stable anesthetic state for at least 15 min after administration. The mice recovered from the anesthetized state 35 min after administration of the antagonist. These findings demonstrate the mixture's stability under different storage conditions and durations, potentially improving laboratory mouse welfare.</p>","PeriodicalId":49959,"journal":{"name":"Journal of Veterinary Medical Science","volume":" ","pages":"277-279"},"PeriodicalIF":1.1,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11903349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143025462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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