A LONG-RANGE IMPLANTABLE HEART-RATE TRANSMITTER FOR FREE-RANGING ANIMALS

  • 1 January 1982
    • journal article
    • research article
    • Vol. 9  (4) , 205-212
Abstract
The design and operating characteristics of a heart rate transmitter designed for a wild grizzly bear (Ursus arctos) [cold adaptation physiology] study is described. The rigid capsule is durable and is easily implanted in the field. The transmitter can be regularly monitored at 4-5 km and has a life expectancy of about 1 yr in bears which experience winter torpor, and thus reduced heart rate, for about 7 mo. in northern Alaska, [USA].

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