Assessment of humaneness using gunshot targeting the brain and cervical spine for cervid depopulation under field conditions

PloS One
Anthony J DeNicolaJennifer M Gambino

Abstract

Population reduction or eradication of domestic or non-domestic species may be required to address their impacts on the environment, other species, or human interests. Firearms are often used to accomplish these practical management objectives, and there is increased concern that the methods used may compromise animal welfare. We document the accuracy and humaneness of gunshot placement to the brain and cervical vertebrae of Philippine deer (Rusa marianna) on Guam during depopulation activities as a model for meeting AVMA standards of euthanasia under field conditions (e.g., animal is not in hand). Deer were shot with a .223 caliber rifle from 10-125 m and approached immediately (<20 s) for assessment. A subset of adult deer was further evaluated for physiological responses including cessation of heart rate, respiration, ocular reflexes, and post-mortem spasms. All deer shot in the brain (n = 132) and upper cervical spine (C1-C3; n = 18) died immediately due to the destruction of the brain or spinal tissue. Shot placements were all within 1.9 cm of the point of aim (i.e., the center of the target region). The accuracy and immediate insensibility resulting from targeting of C1-C3 demonstrates that this is an alternative target s...Continue Reading

References

Jul 8, 2000·Trends in Ecology & Evolution·J H MyersJ R Carey
Apr 30, 2008·Journal of Applied Animal Welfare Science : JAAWS·Mohan Raj
May 29, 2014·American Journal of Veterinary Research·Javier G NevarezHugues Beaufrère
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Jun 18, 2017·Veterinary Microbiology·Christopher A ClevelandMichael J Yabsley
Jan 1, 2018·Veterinary Parasitology : Regional Studies and Reports·Shawn MehrpadMichael J Yabsley

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Citations

Feb 16, 2020·Animals : an Open Access Journal From MDPI·Marianne GagnierAnthony J DeNicola
Feb 28, 2020·Conservation Biology : the Journal of the Society for Conservation Biology·Jordan O HamptonBruce Warburton
Nov 26, 2020·Animals : an Open Access Journal From MDPI·Andréia G ArrudaAndrew S Bowman

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