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Journal Article

Evaluation of Wolf Control to Reduce Cattle Predation in Alberta

Ronald R. Bjorge and John R. Gunson
Journal of Range Management
Vol. 38, No. 6 (Nov., 1985), pp. 483-487
DOI: 10.2307/3899736
Stable URL: http://www.jstor.org/stable/3899736
Page Count: 5

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Topics: Wolves, Cattle, Animal husbandry, Predation, Mortality, Pastures, Predators, Leases, Range management, Poisoning
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Evaluation of Wolf Control to Reduce Cattle Predation in Alberta
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Abstract

Results of wolf (Canis lupus) control to reduce predation of cattle in northwestern Alberta are reported. Numbers of wolves declined from about 40 prior to control to 3 following the strychnine poisoning of 26 wolves during 2 winters, 1979-80 and 1980-81. Additional losses of wolf pack members occurred from natural mortality and dispersal following the removal of the majority of their packmates. In 3 of 6 instances where packs took baits, entire packs of 2, 4, and 6 wolves were killed. Ingress of wolves occurred within 1-2 years. Total mortality of cattle declined from a mean of 64 (3.4%) during 4 years prior to control to 36 (2.0%) during 2 years following control. Selectivity of strychnine poisoning was reasonably good although more emphasis on preventive management is recommended.

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