Welfare Performance of Three Foothold Traps for Capturing North American River Otters Lontra canadensis

IF 0.9 4区 环境科学与生态学 Q4 BIODIVERSITY CONSERVATION
M. Lovallo, H. B. White, J. Erb, Matt S. Peek, T. Deliberto
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引用次数: 0

Abstract

Foothold traps are effective tools for the live capture and restraint of wildlife for management and research. Successful river otter Lontra canadensis restoration programs throughout North America used them extensively. Restoration programs used a variety of methods and models of foothold traps, but comprehensive efforts to describe and quantify injuries associated with river otter captures have been limited. We evaluated injuries of river otters caught in three commercially available models of foothold traps including the number 11 double long-spring with standard jaws, the number 11 double long-spring with double jaws, and the number 2 coil-spring trap. Based on examinations of 70 captured river otters, we classified 78% of the total inj uries detected as “mild” (n = 174 injuries) and 17% were classified as “moderate” (n = 37 injuries). We classified less than 3% of the injuries observed as “moderately severe” or “severe.” We focused only on the animal welfare performance of traps; the three trap types we tested met the animal welfare criteria required for inclusion in the best management practices for trapping river otter. The criteria based on International Standards Organization guidelines used in this assessment of trap performance provides a scientific basis for future evaluations of river otter welfare when foothold traps are used for restoration, research, and population management.
三个捕获北美河獭的陷阱的福利表现
脚踏陷阱是对野生动物进行现场捕获和约束以进行管理和研究的有效工具。北美各地成功的加拿大河水獭恢复项目广泛使用了它们。恢复计划使用了各种方法和立足点陷阱模型,但描述和量化与河水獭捕获相关的伤害的综合努力有限。我们评估了三种商用立足点陷阱中捕获的河獭的伤害,包括带标准钳口的11号双长弹簧、带双钳口的11型双长弹簧和2号螺旋弹簧陷阱。根据对70只捕获的河獭的检查,我们将检测到的总损伤中的78%归类为“轻度”(n=174),17%归类为“中度”(n=37)。我们将不到3%的损伤归类为“中度严重”或“严重”。我们只关注陷阱的动物福利性能;我们测试的三种诱捕器类型符合动物福利标准,这些标准被纳入诱捕河獭的最佳管理实践。本次诱捕器性能评估中使用的基于国际标准组织指南的标准为未来评估河獭福利提供了科学依据,当立足点诱捕器用于修复、研究和种群管理时。
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来源期刊
Journal of Fish and Wildlife Management
Journal of Fish and Wildlife Management BIODIVERSITY CONSERVATION-ECOLOGY
CiteScore
1.60
自引率
0.00%
发文量
43
审稿时长
>12 weeks
期刊介绍: Journal of Fish and Wildlife Management encourages submission of original, high quality, English-language scientific papers on the practical application and integration of science to conservation and management of native North American fish, wildlife, plants and their habitats in the following categories: Articles, Notes, Surveys and Issues and Perspectives. Papers that do not relate directly to native North American fish, wildlife plants or their habitats may be considered if they highlight species that are closely related to, or conservation issues that are germane to, those in North America.
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