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Intraperitoneal implantation of life-long telemetry transmitters in otariids Public Deposited

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  • Background: Pinnipeds, including many endangered and declining species, are inaccessible and difficult to monitor for extended periods using externally attached telemetry devices that are shed during the annual molt. Archival satellite transmitters were implanted intraperitoneally into four rehabilitated California sea lions (Zalophus californianus) and 15 wild juvenile Steller sea lions (Eumetopias jubatus) to determine the viability of this surgical technique for the deployment of long-term telemetry devices in otariids. The life history transmitters record information throughout the life of the host and transmit data to orbiting satellites after extrusion following death of the host. Results: Surgeries were performed under isoflurane anesthesia and single (n = 4) or dual (n = 15) transmitters were inserted into the ventrocaudal abdominal cavity via an 8.5 to 12 cm incision along the ventral midline between the umbilicus and pubic symphysis or preputial opening. Surgeries lasted 90 minutes (SD = 8) for the 19 sea lions. All animals recovered well and were released into the wild after extended monitoring periods from 27 to 69 days at two captive animal facilities. Minimum post-implant survival was determined via post-release tracking using externally attached satellite transmitters or via opportunistic re-sighting for mean durations of 73.7 days (SE = 9.0, Z. californianus) and 223.6 days (SE = 71.5, E. jubatus). Conclusion: The low morbidity and zero mortality encountered during captive observation and post-release tracking periods confirm the viability of this surgical technique for the implantation of long-term telemetry devices in otariids.
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  • Horning, M., Haulena, M., Tuomi, P. A., & Mellish, J. E. (2008). Intraperitoneal implantation of life-long telemetry transmitters in otariids. BMC Veterinary Research, 4(1), 51-51. doi: 10.1186/1746-6148-4-51
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  • This project received financial support from the North Pacific Marine Research Program grant 00-0029 and Pollock Conservation Cooperative Research Center grant 01-0047 to M. Horning, NOAA Award NA17FX1429 to M. Horning and J. Mellish, and from the Alaska Sea Life Center.
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  • description.provenance : Approved for entry into archive by Deanne Bruner(deanne.bruner@oregonstate.edu) on 2013-05-22T18:51:08Z (GMT) No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: bb87e2fb4674c76d0d2e9ed07fbb9c86 (MD5) HorningMarkusFisheriesWildlifeIntraperitonealImplantationLife.pdf: 596832 bytes, checksum: 41230d284642070c9dcd9dc1ef47548b (MD5)
  • description.provenance : Submitted by Deanne Bruner (deanne.bruner@oregonstate.edu) on 2013-05-22T18:49:09Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: bb87e2fb4674c76d0d2e9ed07fbb9c86 (MD5) HorningMarkusFisheriesWildlifeIntraperitonealImplantationLife.pdf: 596832 bytes, checksum: 41230d284642070c9dcd9dc1ef47548b (MD5)
  • description.provenance : Made available in DSpace on 2013-05-22T18:51:08Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: bb87e2fb4674c76d0d2e9ed07fbb9c86 (MD5) HorningMarkusFisheriesWildlifeIntraperitonealImplantationLife.pdf: 596832 bytes, checksum: 41230d284642070c9dcd9dc1ef47548b (MD5) Previous issue date: 2008-12-10

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