Exotic Mammal Care and Medicine

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Mammals".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 5057

Special Issue Editors


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Guest Editor
1. Veterinary Research Centre (CECAV), Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), UTAD, Vila Real, Portugal
2. Exotics and Wild Animal Service of the Veterinary Teaching Hospital UTAD, Vila Real, Portugal
Interests: exotic animal medicine; infectious diseases; one health; wildlife conservation

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Guest Editor
Clínica Veterinária Jekl & Hauptman, Mojmírovo nome 3105/6ª, 612 00 Brno, Pólo Královo, Czech Republic
Interests: dental diseases; dentistry; diagnostic imaging; internal medicine; small mammals; soft tissue surgery

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Guest Editor
Clinique Vétérinaire L'Arche des NAC, 95300 Pontoise, France
Interests: dermatology; internal medicine; small mammals; rabbits; surgery

Special Issue Information

Dear Colleagues,

As veterinarians who want to offer the best medical and surgical care for owners of exotic companion mammals, we must recognize that this group of animals has changed the landscape of small animal medicine. Pet exotic small mammals are seen in the clinic on a daily basis, and routine and specialized medical and surgical care is provided for both healthy and sick animals. However, despite this increase, the standard of exotic mammal medicine has not yet reached its full potential.

Updates on the latest advances focusing on diagnosis and treatment options, infectious diseases, nutrition, behavior, clinical pathology, anesthesia, emergency medicine or surgery of exotic small mammals are welcome, as long as they can be useful for veterinarians’ decision-making process.

This Special Issue aims to present research and reviews on exotic mammal care and medicine, exploring the latest insights into this interesting and wide subject. We truly believe that sharing knowledge is the best way to elevate the level of exotic mammal care and medicine and to provide the best possible care for patients.

Dr. Filipa Loureiro
Prof. Dr. Vladimír Jekl
Dr. Ana Cláudia Coelho
Dr. Véronique Mentré
Guest Editors

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Keywords

  • anesthesia
  • clinical pathology
  • hedgehogs
  • ferrets
  • lagomorphs
  • medicine
  • rabbits
  • rodents
  • small mammals
  • surgery

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Published Papers (4 papers)

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Research

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15 pages, 1683 KiB  
Article
Helping Rabbits Cope with Veterinary Acts and Vaccine-Related Stress: The Effects of the Rabbit Appeasing Pheromone (RAP)
by Pietro Asproni, Elisa Codecasa, Miriam Marcet-Rius, Juliane Demellier, Estelle Descout, Marine Verbaere, Orane Vinck, Patrick Pageat and Alessandro Cozzi
Animals 2024, 14(23), 3549; https://doi.org/10.3390/ani14233549 - 9 Dec 2024
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Abstract
Rabbits are subjected to challenges that induce stress and require them to continuously adapt. Veterinary procedures represent an important source of stress. In other pets, pheromone use was shown to help patients better cope with these procedures. This study aimed to evaluate whether [...] Read more.
Rabbits are subjected to challenges that induce stress and require them to continuously adapt. Veterinary procedures represent an important source of stress. In other pets, pheromone use was shown to help patients better cope with these procedures. This study aimed to evaluate whether continuous exposure to the rabbit appeasing pheromone (RAP) could help rabbits cope with the stress induced by routine clinical consultations and vaccinations. Twenty-four 5-week-old rabbits were housed in two identical rooms for 43 days, one in which the rabbits underwent continuous RAP treatment and one with the placebo. The rabbits were vaccinated 8 days afterwards, and their behaviour was evaluated using visual analogic scales (VASs) and videos. The rabbits were also examined seven times, on a weekly basis, using VASs to assess their behaviour. The video analysis showed that the RAP-treated rabbits were less inhibited (p = 0.03) and more in contact with the surgeon (p = 0.039) during vaccinations, while the non-treated rabbits kept their ears in the middle/flattened position (p = 0.003). The RAP-treated rabbits were also less agitated (VAS analysis, p = 0.02). During the consultations, a treatment × day effect was observed in favour of the RAP group for the rabbit state and rabbit reactivity VAS analysis (p < 0.0001). These findings seem to suggest that continuous RAP exposure could be a promising tool for helping rabbits cope with veterinary procedures. Full article
(This article belongs to the Special Issue Exotic Mammal Care and Medicine)
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13 pages, 2240 KiB  
Article
Association of Encephalitozoon cuniculi with Clinical Signs and Abnormal Hematologic/Biochemical Changes in Pet Rabbits in Thailand
by Taksaon Duangurai, Natruree Khamchomphu, Kanyanut Dusitkul, Chawaporn Tousee, Yosanun Sukmai, Teerapat Rungnirundorn, Ladawan Areevijittrakul, Siriluk Jala and Naris Thengchaisri
Animals 2024, 14(19), 2766; https://doi.org/10.3390/ani14192766 - 25 Sep 2024
Cited by 1 | Viewed by 1625
Abstract
Encephalitozoon cuniculi can cause serious disease and subclinical infection in rabbits and requires active surveillance to control the infection. This study investigated the association between anti-Encephalitozoon cuniculi antibody status and various health parameters in pet rabbits. A total of 90 rabbits were [...] Read more.
Encephalitozoon cuniculi can cause serious disease and subclinical infection in rabbits and requires active surveillance to control the infection. This study investigated the association between anti-Encephalitozoon cuniculi antibody status and various health parameters in pet rabbits. A total of 90 rabbits were divided into healthy (N = 30), subclinical (N = 30), and clinical (N = 30) groups based on their anti-Encephalitozoon cuniculi antibody status and clinical presentations. The mean ages of the control (37 ± 40 months) and subclinical groups (38 ± 34 months) were notably lower compared to that of the clinical group (63 ± 38 months, p < 0.01). Serum titers for anti-Encephalitozoon cuniculi antibodies were significantly elevated in rabbits with subclinical and clinical infections compared to those of healthy rabbits (p < 0.05). Neurological signs were predominant in rabbits with active E. cuniculi infection (80.0%), with additional pathological features including urinary dysfunction (10.0%) and cataracts (10.0%). The source of rabbits was not associated with E. cuniculi infection (p = 0.159). Anemia was significantly linked to E. cuniculi infection (p = 0.026); however, no significant associations were found with leukocytosis, thrombocytopenia, or serum biochemistry parameters. Mature adult rabbits were more likely to be infected with E. cuniculi. Recognizing anemia and neurological signs facilitates in early diagnosis of E. cuniculi infection. Full article
(This article belongs to the Special Issue Exotic Mammal Care and Medicine)
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8 pages, 260 KiB  
Communication
Occurrence of Clostridium perfringens in Wild Mammals in the Amazon Biome
by Hanna Gabriela da Silva Oliveira, Ananda Iara de Jesus Sousa, Isabela Paduá Zanon, Cinthia Távora de Albuquerque Lopes, Rodrigo Otavio Silveira Silva, Sheyla Farhayldes Souza Domingues and Felipe Masiero Salvarani
Animals 2024, 14(9), 1333; https://doi.org/10.3390/ani14091333 - 29 Apr 2024
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Abstract
The objective of this study was to evaluate the occurrence of Clostridium perfringens in stool samples and swabs collected from wild mammals in the Amazon biome. Sixty-five faecal and swab samples were collected in situ and ex situ from 16 species and three [...] Read more.
The objective of this study was to evaluate the occurrence of Clostridium perfringens in stool samples and swabs collected from wild mammals in the Amazon biome. Sixty-five faecal and swab samples were collected in situ and ex situ from 16 species and three genera of wild mammals, some of which were in good health and some of which had diarrhoea. After pre-enrichment, the samples were plated on selective agar for C. perfringens. Characteristic colonies were subjected to multiplex PCR for the detection of genes encoding the main C. perfringens toxins (alpha, beta, epsilon, and iota toxin and enterotoxin). Among the 65 samples, 40 (61.5%) were positive for the gene encoding the alpha toxin and were classified as type A, 36 of which were asymptomatic animals and four were diarrheal. No other toxinotypes were found. The findings of this study suggest that C. perfringens type A is commonly found in mammal species of the Amazon biome. This seems to be the first study to identify C. perfringens type A in species such as B. variegatus (common ground sloth), C. didactylus (two-toed sloth), P. flavus (Jupará), T. tetradactyla (anteater), S. collinsi (squirrel monkey), S. niger (black marmoset), and S. apella (Guyana capuchin) and in the genus Didelphis sp. (opossum). Full article
(This article belongs to the Special Issue Exotic Mammal Care and Medicine)

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10 pages, 1738 KiB  
Case Report
Acute Fatal Gastric Dilatation and Volvulus in a Captive Adult Linnaeus’s Two-Toed Sloth (Choloepus didactylus) in Amazon Biome
by Hanna Gabriela da Silva Oliveira, Cinthia Távora de Albuquerque Lopes, Letícia Yasmin Silva Correa, Roberta Martins Crivelaro Thiesen, Rodrigo Otavio Silveira Silva, Francisco Alejandro Uzal, Sheyla Farhayldes Souza Domingues and Felipe Masiero Salvarani
Animals 2024, 14(23), 3527; https://doi.org/10.3390/ani14233527 - 6 Dec 2024
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Abstract
This study aims to report the dietary and daily management, clinical signs, complementary exams, and pathological findings related to an acute and fatal case of gastric dilatation and volvulus (GDV) in a captive Linnaeus’s two-toed sloth (Choloepus didactylus) in the Amazon [...] Read more.
This study aims to report the dietary and daily management, clinical signs, complementary exams, and pathological findings related to an acute and fatal case of gastric dilatation and volvulus (GDV) in a captive Linnaeus’s two-toed sloth (Choloepus didactylus) in the Amazon Biome. An adult female sloth, rescued after being electrocuted, was housed at the Wildlife Section of the Veterinary Hospital (WSVH) of the Institute of Veterinary Medicine (IVM) at the Universidade Federal do Pará (UFPA). It was fed a diverse diet that included animal protein, fruits, vegetables, and greens, with vitamin and mineral supplementation. After five years, the sloth was found in its enclosure hyporesponsive, dehydrated, hypothermic, and hyperventilating, with an abdominal dilation of firm consistency. During emergency care, the animal died. Fecal samples collected two days before death were positive only for Clostridium perfringens type A. Necropsy findings included dilatation of the squamous gastric compartment due to gas accumulation, with necrotic and hemorrhagic mucosa, a 180–270° volvulus obstructing the gastroesophageal region, and intestinal mucosal hyperemia. Histopathology revealed marked congestion with hemorrhage and gastric mucosal necrosis, along with tertiary lymphoid follicles in the submucosa. To the authors’ knowledge, this is the first report of GDV in a sloth in Brazil. Further research is needed to develop appropriate approaches to GDV in captive sloths. Full article
(This article belongs to the Special Issue Exotic Mammal Care and Medicine)
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