Journal of Medical Primatology

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Primate veterinarians' knowledge and attitudes regarding pain in macaques

Takako Miyabe‐Nishiwaki, Vanessa Nadine Gris, Kanako Muta, Ryohei Nishimura, more

Journal of Medical Primatology > 50 > 5 > 259 - 269

Background Assessment of pain in macaques is challenging. The aims of this study were (1) to investigate current knowledge and attitudes of primate veterinarians concerning acute pain in macaques; (2) to synthesise current knowledge and opinion to facilitate pain assessment. A primary question of interest was whether more confident individuals differ in their knowledge and attitudes from less‐confident...

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Blood analytes of electrocuted mantled howler monkeys (Alouatta palliata) in the Nicoya peninsula of Costa Rica

Francisco Sánchez‐Murillo, Randall Arguedas

Journal of Medical Primatology > 50 > 5 > 231 - 239

Background Several species of Costa Rican wildlife are suffering terrible injuries along the power lines in rural areas of the country due to the increasing human development in rural areas, but this has also brought the problem of poorly designed electric infrastructure, where arboreal mammals find their normal tree routes cut down so that the only way for them to cross is on the power lines where...

article

Hepatic lesions in captive owl monkeys (Aotus infulatus) with ultrasonographic “starry sky” liver

Alex Junior Souza de Souza, Leandro Nassar Coutinho, Wellington Bandeira da Silva, Aline Amaral Imbeloni, more

Journal of Medical Primatology > 50 > 5 > 240 - 248

Background The “starry sky” (SK) liver is ultrasonographic pattern characterized by multiple hyperechogenic foci in hepatic parenchyma. The study aimed to characterize the microscopic hepatic lesions in captive owl monkeys with SK liver. Methods Thirty‐seven clinically healthy owl monkeys had their liver scanned and 18 of them had liver biopsy. Animals with SK and peliosis hepatis (PH) were subjected...

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Walking speed declines with age in male and female baboons (Papio sp.): Confirmation of findings with sex as a biological variable

Hillary F. Huber, Kenneth G. Gerow, Cun Li, Peter W. Nathanielsz

Journal of Medical Primatology > 50 > 5 > 273 - 275

We measured walking speed in baboons (67 female, 36 male; 5–22 years) to develop regression formulas to predict biological age. The final model strongly predicted age from just speed and sex. Walking speed is a valuable baboon aging biomarker. We present the first male speed data in a nonhuman primate.

article

Issue Information

Journal of Medical Primatology > 50 > 5 > 229 - 230

article

Age‐related cognitive impairment is associated with low serum concentrations of testosterone and CSF levels of amyloid beta 42 in male cynomolgus monkeys (Macaca fascicularis)

Huda Shalahudin Darusman, Tan Li Wern, Dondin Sajuthi, Steven J. Schapiro, more

Journal of Medical Primatology > 50 > 5 > 270 - 272

Aged memory‐impaired cynomolgus monkeys had significantly lower levels of cerebrospinal amyloid (Aβ₄₂) and serum testosterone compared with young animals and non–memory‐impaired controls. Our findings confirm similar findings in the human and substantiate the usefulness of the cynomolgus monkey as a spontaneous model for aging‐associated senile dementia of the Alzheimer type.

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The use of midazolam as an appetite stimulant and anxiolytic in the common marmoset (Callithrix jacchus)

Jessica Ann Herrod, Janelle Arcey Avelino, Kayla Marie Schonvisky, Jessica Kay Lynch, more

Journal of Medical Primatology > 50 > 5 > 249 - 258

Background Food avoidance secondary to disease or stress can lead to weight loss and rapid deterioration of clinical condition in the common marmoset (Callithrix jacchus). Currently, there are no data supporting the use of any pharmaceuticals as an appetite stimulant in this species; however, benzodiazepines are frequently used for this purpose in other species. Methods Six marmosets were used...

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Successful surgical management of massive ovarian teratoma in a rhesus macaque (Macaca mulatta)

Vandana Sangwan, Arun Anand, Ashwani Kumar, Kuldip Gupta, more

Journal of Medical Primatology > 50 > 5 > 276 - 278

A 5 years‐old Rhesus macaque was presented with abdominal enlargement. The clinical, radiographic and ultrasonographic findings suggested that a massive mass occupying the whole of the abdomen. The mass was surgically removed, and histopathology confirmed ovarian teratoma. The macaque recovered uneventfully; however, the management to avoid self‐mutilation of skin sutures was challenging.

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Journal of Medical Primatology

Primate veterinarians' knowledge and attitudes regarding pain in macaques

Blood analytes of electrocuted mantled howler monkeys (Alouatta palliata) in the Nicoya peninsula of Costa Rica

Hepatic lesions in captive owl monkeys (Aotus infulatus) with ultrasonographic “starry sky” liver

Walking speed declines with age in male and female baboons (Papio sp.): Confirmation of findings with sex as a biological variable

Issue Information

Age‐related cognitive impairment is associated with low serum concentrations of testosterone and CSF levels of amyloid beta 42 in male cynomolgus monkeys (Macaca fascicularis)

The use of midazolam as an appetite stimulant and anxiolytic in the common marmoset (Callithrix jacchus)

Successful surgical management of massive ovarian teratoma in a rhesus macaque (Macaca mulatta)

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