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A Trap-Vaccinate-Release Protocol for Immunization of Skunks and Additional Rabies Vectors Against Rabies
Published on: November 29, 2024
Contraception has gone to the coyotes (Canis latrans)
Marjorie J MacGregor1, Elsey G Perkins2, Cheryl Asa3
1Department of Zoology and Physiology, University of Wyoming, Laramie,82071, USA. marjiem@uwyo.edu
Abstract:
Coyotes (Canis latrans) are predators of livestock. Current management programs, primarily lethal control, are ineffective for long-term management of predation. Controlling reproduction of coyotes may reduce depredations if territory fidelity is maintained by breeding pairs. Surgical sterilization is successful in altering predatory behaviors of coyotes but may provide a challenge for field implementation. An alternative approach is the development of a one-time non-transferable chemical contraceptive. This research is investigating the efficacy of a single high dose treatment of a sustained release gonadotropin-releasing hormone agonist, deslorelin, on coyotes as a long term contraceptive. Male coyotes were administered 47 mg deslorelin subcutaneously. Preliminary data show full suppression of the reproductive axis for over 12 mo as indicated by complete absence of sperm.
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