scholarly journals A 75-year pictorial history of the Cayo Santiago rhesus monkey colony

2015 ◽  
Vol 78 (1) ◽  
pp. 6-43 ◽  
Author(s):  
Matthew J. Kessler ◽  
Richard G. Rawlins
Keyword(s):  
Rhesus Monkey ◽  
Cayo Santiago ◽  
History Of ◽  
Monkey Colony

Campylobacter-induced Fetal Death in a Rhesus Monkey

2002 ◽  
Vol 39 (5) ◽  
pp. 605-607 ◽  
Author(s):  
W. B. Baze ◽  
B. J. Bernacky
Keyword(s):  
Rhesus Monkey ◽  
Physical Examination ◽  
Macaca Mulatta ◽  
Microscopic Examination ◽  
Genital Tract ◽  
Vaginal Bleeding ◽  
Fetal Death ◽  
Ultrasound Scan ◽  
Third Trimester ◽  
History Of

A pregnant 4-year-old rhesus monkey ( Macaca mulatta) was presented with a history of acute vaginal bleeding. Physical examination revealed an open cervix. An ultrasound scan demonstrated a viable early third-trimester fetus, approximately 16 weeks of gestational age. Hematology results showed that the monkey was anemic, with a normal leukogram and Döhle bodies. A subsequent cervical culture was positive for Campylobacter fetus. The fetus died 3 days later, and a necropsy of the fetus and placenta was performed. Microscopic examination of the placenta revealed villitis, perivillitis, and deciduitis with S-shaped and gull wing-shaped bacteria. C. fetus was considered the cause of the placental lesions and fetal death; however, the pathogenesis of the infection (hematogenous vs. ascending from the maternal genital tract) was not clear. This is the first report of a Campylobacter-induced fetal death in the rhesus monkey. Because macaques can be asymptomatic carriers and Campylobacter-induced diarrhea is common, this finding has implications for breeding success in nonhuman primate breeding colonies.

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