Journal of Medical Primatology最新文献

{"title":"Insertion of Intrauterine Devices (IUDs) in Sanctuary Chimpanzees (Pan troglodytes) Using Ultrasonography and Radiology to Confirm Placement","authors":"Jenny E. Jaffe,&nbsp;Nancy Sokkary,&nbsp;Jill Nielsen,&nbsp;James R. McClearen","doi":"10.1111/jmp.70036","DOIUrl":"10.1111/jmp.70036","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Reproduction in captive chimpanzees (<i>Pan troglodytes</i>) can be controlled by the insertion of intrauterine devices (IUDs) for females who do not reliably take oral contraceptives. Previous literature describes the use of improvised devices made from syringe cases as a speculum to accommodate the depth of the vaginal vault.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Copper IUDs (model T380A) were inserted in two sanctuary-housed chimpanzees. A disposable human small-sized vaginal speculum (Welch Allyn KleenSpec) with an illumination system provided a good view of the cervix. A 3/4 mm dilator and a uterine sound aided insertion.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>After multiple rounds of dilation, the uterine sound was still necessary to manipulate the IUD to the fundus of the uterus. Correct placement was confirmed by ultrasonography and radiology.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Inserting IUDs in chimpanzees can prove challenging. Having appropriate equipment available, such as varied sizes of speculums and dilators, is crucial. Gynecologists and ultrasonographers with experience inserting IUDs in humans can help ensure correct placement.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jmp.70036","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145251509","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}

{"title":"Bilateral Perinephric Pseudocysts in an Owl Monkey","authors":"Alfonso S. Gozalo,&nbsp;Lynn E. Lambert,&nbsp;William R. Elkins","doi":"10.1111/jmp.70035","DOIUrl":"10.1111/jmp.70035","url":null,"abstract":"<p>Perinephric pseudocysts consist of variable accumulations of either urine, lymph, or blood in a fibrous sac surrounding one or both kidneys. Perinephric pseudocysts are occasionally reported in cats and humans and very rarely in other species. Here we describe a case of bilateral perinephric pseudocysts in an owl monkey.</p>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-10-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12498119/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145232883","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}

{"title":"Investigation of Anti-Toxoplasma gondii Antibodies and Molecular Analysis in Nonhuman Primates Under Human Care in Rio de Janeiro, Brazil","authors":"Natalie Renata Zorzi,&nbsp;Júlia Trevizan Segalin,&nbsp;Cláudia Dazzi,&nbsp;Franciele Oliveira,&nbsp;Andressa Ferreira da Silva,&nbsp;Leila Maria Carvalho Alves,&nbsp;Anna Elisa Athayde-Gusmão,&nbsp;Olivia Zen Gianfrancisco,&nbsp;Daniel Almeida Balthazar,&nbsp;Fernanda Correa Rocha,&nbsp;Clarissa Vieira Lopes,&nbsp;Bruna Azevedo Baêta,&nbsp;Matheus Dias Cordeiro,&nbsp;Silvia Bahadian Moreira,&nbsp;Alcides Pissinatti,&nbsp;Daniel Guimarães Ubiali,&nbsp;Márcio Machado Costa,&nbsp;Maria Isabel Botelho Vieira","doi":"10.1111/jmp.70032","DOIUrl":"10.1111/jmp.70032","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Introduction</h3>\u0000 \u0000 <p>This study aimed to conduct a serological and molecular survey of <i>Toxoplasma gondii</i> in nonhuman primates under human care in the state of Rio de Janeiro.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>MAT and qPCR were performed on 199 serum and blood samples collected from animals at the following locations: BioParque Zoo, Volta Redonda Municipal Zoo, Wildlife Rehabilitation Center, Laboratory Animal Facility of the Federal University of Rio de Janeiro, and the Rio de Janeiro Primatology Center. Risk factors for <i>T. gondii</i> infection were also assessed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>qPCR analysis revealed DNA amplification of <i>T. gondii</i> in one animal of the species <i>Alouatta caraya</i>. MAT analysis showed 100% seropositivity among Old World primates and 42.62% among New World primates.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>At locations where raw meat is included in the diet and water is unfiltered, animals were found to be 10.88 times more likely to test seropositive.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145232887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hepatic Pathological and Anatomopathological Characteristics of Callitrichids From the Wild and Under Human Care in Rio Grande do Norte","authors":"Joyce Galvão de Souza,&nbsp;Telma de Sousa Lima,&nbsp;Nayadjala Távita Alves dos Santos,&nbsp;Jackson Nazareno Gomes de Lima,&nbsp;Marina Nogueira Monteiro,&nbsp;Rafael de Souza Meneses,&nbsp;Brunna Muniz Rodrigues Falcão,&nbsp;Filipe Jordão Pereira de Medeiros,&nbsp;Silvio Miguel Castillo Fonseca,&nbsp;Ricardo Barbosa de Lucena,&nbsp;Danilo José Ayres de Menezes","doi":"10.1111/jmp.70034","DOIUrl":"https://doi.org/10.1111/jmp.70034","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Liver injuries are among the most common and can have a major impact on primates' health. This study aimed to describe the occurrence and frequency of hepatobiliary morphological changes in wild and human-cared non-human primates from the state of Rio Grande do Norte, Brazil.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Histological slides from 37 specimens of common marmosets (<i>Callithrix jacchus</i>), obtained from the Primatology Center at the Federal University of Rio Grande do Norte and the Wildlife Rescue Center of Rio Grande do Norte (CETAS-RN), were analyzed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>In animals under human care, alterations consistent with parasitism by <i>Platynosomum</i> sp. were predominant, whereas in wild animals, lesions compatible with necrosis, inflammation, and degeneration occurred more frequently.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>Among the most significant findings was parasitic infection caused by <i>Platynosomum</i> sp., present in both captive and wild animals, which in some cases caused chronic liver damage in animals that died without showing clinical signs.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145111122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Age-Related Changes in the Cardiothoracic Ratio of Juvenile Japanese Macaques (Macaca fuscata)","authors":"Yuto Sawada,&nbsp;Akihisa Kaneko,&nbsp;Naohide Ageyama,&nbsp;Shinichiro Nakamura,&nbsp;Takako Miyabe-Nishiwaki,&nbsp;Atsushi Tsukamoto","doi":"10.1111/jmp.70033","DOIUrl":"10.1111/jmp.70033","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Evaluation of the cardiothoracic ratio (CTR) using chest radiography is a valuable tool for screening cardiac diseases; however, age-related changes in CTR remain unclear, particularly in Japanese macaques. This study assessed the CTR in juvenile Japanese macaques and examined its relationship with age and sex.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Materials and Methods</h3>\u0000 \u0000 <p>CTR was calculated from chest radiographs of juvenile macaques aged 1–4 years and compared with those of adults. Correlations between CTR and age in months and differences between sexes were analyzed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Juvenile macaques showed a significantly higher CTR than adults. A significant negative correlation was observed between age and CTR. No significant sex-related differences in CTR were observed across ages.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The CTR in Japanese macaques decreases with age, indicating that age-specific reference values are essential for accurately assessing cardiac size in juvenile individuals. These findings will contribute to the early detection and management of cardiac diseases in juvenile Japanese macaques.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145069787","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Spontaneous Malignant Peripheral Nerve Sheath Tumour in a Captive Rhesus Macaque (Macaca mulatta)","authors":"Marietta V. Barro,&nbsp;Jacob D. Herford,&nbsp;Laura M. Garzel,&nbsp;Peter Chu,&nbsp;J. Rachel Reader","doi":"10.1111/jmp.70031","DOIUrl":"https://doi.org/10.1111/jmp.70031","url":null,"abstract":"<p>Spontaneous peripheral nerve sheath tumors (PNSTs) are rare and often benign neoplasms in veterinary species and humans. This report describes the clinical, gross, histopathological, and immunological findings of a spontaneous malignant PNST embedded deep within the soft tissue in the forearm of a 4-year-old captive male rhesus macaque (<i>Macaca mulatta</i>).</p>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jmp.70031","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144934951","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}

{"title":"Zoonotic Parasites in Marmosets (Callithrix Spp.) From Southern Brazil: Insights From a One Health Perspective","authors":"Maysa Emanuely dos Santos,&nbsp;Matheus Azambuja,&nbsp;Denilton Vidolin,&nbsp;Rosimeire Nunes de Oliveira","doi":"10.1111/jmp.70030","DOIUrl":"https://doi.org/10.1111/jmp.70030","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>Currently, six species of <i>Callithrix</i> are frequently observed in anthropized and degraded environments in different regions of Brazil. This occupation favors interactions with humans and increases the risk of infection by parasites with zoonotic potential. This study assessed the occurrence of enteroparasites in free-ranging <i>Callithrix</i> spp. from different municipalities in Paraná state, Brazil, from a One Health approach.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Faecal samples of 37 specimens of <i>C. penicillata</i>, <i>C. jacchus</i>, and hybrid species were analyzed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The most frequent parasite forms observed included helminth eggs (Ascaridida, Rhabditida, Trichostrongylidae), and protozoan oocysts and cysts (Coccidia, Diplomonadida). Clinical evaluations of the animals indicated musculoskeletal abnormalities, dental changes, skin injuries, gastrointestinal signs, and low body weight.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The presence of parasites with zoonotic potential highlights the need for ongoing surveillance of marmoset populations, underscoring the importance of maintaining a balanced relationship among the environment, humans, and animals within the One Health approach.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 5","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jmp.70030","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144861623","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}

{"title":"The Rescue and Treatment of Macaca mulatta Amidst Urbanization","authors":"Pururava Sharma,&nbsp;Roshan Lal,&nbsp;Dawa Yangka,&nbsp;Akshay Sharma,&nbsp;Vasvi Ganjoo,&nbsp;Vijender Negi","doi":"10.1111/jmp.70029","DOIUrl":"https://doi.org/10.1111/jmp.70029","url":null,"abstract":"<div>\u0000 \u0000 <p>Urbanization and habitat fragmentation have increased human–Rhesus macaque (<i>Macaca mulatta</i>) conflicts in North India. This report presents the successful rescue and rehabilitation of a free-ranging macaque injured by suspected electrocution. The animal exhibited cranial and forelimb wounds, with exposure of the external auditory canal. Chemical immobilization was performed using xylazine (0.5 mg/kg) and ketamine (10 mg/kg) via dart gun at 30 m. Clinical evaluation revealed electrical burns and muscular necrosis. Multilayered surgical repair was conducted using polyglactin and silk sutures. As the ear canal could not be closed surgically, an innovative field technique was employed using a sterile silicone plug sealed with wax to prevent contamination. Post-operative care included fluids, antibiotics, and anti-inflammatories. The macaque recovered well and was released in a forested area. This case demonstrates effective field management of electrocution injuries in primates and introduces a practical approach for ear canal closure when standard closure is unfeasible.</p>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 4","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-08-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144773876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Disseminated Histiocytic Sarcoma in a Japanese Macaque (Macaca fuscata)","authors":"Minami Sato,&nbsp;Haruka Takimoto,&nbsp;Yuki Matsubara,&nbsp;Tsunenori Tsujimoto,&nbsp;Jun Sasaki","doi":"10.1111/jmp.70028","DOIUrl":"https://doi.org/10.1111/jmp.70028","url":null,"abstract":"<p>Histiocytic sarcomas are rare in humans and primates. Particularly, only a few examples in nonhuman primates have been reported. This is the first report of histiocytic sarcoma in <i>Macaca fuscata</i>. The final diagnosis was made using immunohistochemical analysis.</p>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 4","pages":""},"PeriodicalIF":0.5,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jmp.70028","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144758466","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}

{"title":"Female Reproductive System Neoplasms in Neotropical Primates","authors":"Asheley H. B. Pereira,&nbsp;Fernanda C. Rocha,&nbsp;Marcos P. S. Carvalho,&nbsp;Bruna E. P. Barbosa,&nbsp;Daniel A. Balthazar,&nbsp;Silvia B. Moreira,&nbsp;Alcides Pissinatti,&nbsp;Daniel G. Ubiali","doi":"10.1111/jmp.70027","DOIUrl":"https://doi.org/10.1111/jmp.70027","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Background</h3>\u0000 \u0000 <p>There are no previous descriptions of the prevalence of spontaneous female reproductive neoplasms in neotropical primates.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A 6-year study of pathological records from the Anatomy Pathology Sector from the Federal Rural University of Rio de Janeiro (SAP/UFRuralRJ) was conducted. All cases of female nonhuman primate taxa belonging to the Platyrrhini parvorder with primary reproductive neoplasms were studied.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The overall prevalence of female reproductive neoplasms in neotropical primates from 2019 to 2024 was 2.6% (6/228). Ovarian neoplasms were all classified as lesions without clinical significance. Uterine adenocarcinomas were observed in 50% (3/6) and were considered the cause of death in all cases.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Our findings suggest that there are no significant differences in the prevalence of ovarian and uterine spontaneous neoplasm presentation in neotropical primates. Despite the low prevalence, uterine adenocarcinomas should be included as a potential cause of neotropical primate deaths.</p>\u0000 </section>\u0000 </div>","PeriodicalId":16439,"journal":{"name":"Journal of Medical Primatology","volume":"54 4","pages":""},"PeriodicalIF":0.8,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/jmp.70027","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144482271","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}