A New Surgical Technique for
Implanting Radio Transmitters in
Beaver, Castor canadensis

Michelle Wheatley

Taiga Biological Station, Department of Zoology, University of Manitoba, Winnipeg, Manitoba R3T 2N2

Present address: Dr. Michelle Wheatley, Director of Wildlife Management, Iqaluit, TN, X0A 0H0

 

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Wheatley, M. 1997. A new surgical technique for implanting radio transmitters in Beavers, Castor canadensis. Canadian Field-Naturalist 111 (4):601-606.

 

Abstract

A surgical method of intraperitoneal implantation of radio transmitters using a ventral-lateral muscle-split technique is described. Forty-two transmitters were implanted in beavers weighing 6.4 to 20.5 kg (mean =11.4 ± 3.9 kg). Recaptured implanted animals showed good growth with no post-operative complications at 3 to 36 months. Transmitter life span was 46 to 718 days (mean =213.1 ± 155.6 days) excluding animals which left the study area in the first 30 days. This method is suitable for all ages of Beavers, and is easily performed in the field.

Key words: Beaver, Castor canadensis, radio transmitters, radio-telemetry, surgical implantation.

 


 

This page created March 2, 1999.

 

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