Neurobrucellosis in Stranded Dolphins, Costa Rica
Author Information
Author(s): Hernández-Mora Gabriela, González-Barrientos Rocío, Morales Juan-Alberto, Chaves-Olarte Esteban, Guzmán-Verri Caterina, Baquero-Calvo Elías, De-Miguel María-Jesús, Marín Clara-María, Blasco José-María, Moreno Edgardo
Primary Institution: Universidad Nacional, Heredia, Costa Rica
Hypothesis
Are striped dolphins susceptible to neurobrucellosis caused by Brucella ceti?
Conclusion
The study found that striped dolphins in Costa Rica had neurobrucellosis and were infected with Brucella ceti.
Supporting Evidence
- All dolphins had swimming problems and died within 48 hours of being found.
- Brucella ceti was isolated from the cerebrospinal fluid of 6 dolphins.
- All dolphins displayed neurologic disorders and had antibodies against Brucella.
- The pregnant dolphin had bacteria in her placenta and fetal tissues.
- Histopathologic examination revealed meningoencephalitis in the affected dolphins.
Takeaway
This study shows that some dolphins can get sick from a germ called Brucella, which can make them have brain problems.
Methodology
The study involved examining stranded dolphins for signs of infection and conducting various tests on their tissues and fluids.
Limitations
Only 10 dolphins were examined over a 32-month period, which may not represent the entire population.
Participant Demographics
The sample included 10 striped dolphins, consisting of 3 female adults, 2 female juveniles, 1 female calf, and 4 juvenile males.
Digital Object Identifier (DOI)
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