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Providing evidence to improve practice

Individual study: Development and evaluation of anti-coyote electric fencing

Published source details

Gates N.L., Rich J.E., Godtel D.D. & Hulet C.V. (1978) Development and evaluation of anti-coyote electric fencing. Journal of Range Management, 31, 151-153


This study is summarised as evidence for the intervention(s) shown on the right. The icon shows which synopsis it is relevant to.

Install electric fencing to reduce predation of livestock by mammals to reduce human-wildlife conflict Terrestrial Mammal Conservation

A replicated, controlled study (year not stated) of pasture at an undisclosed location, presumed to be in the USA (Gates et al. 1978) found that electric fencing prevented coyotes Canis latrans from entering an enclosure and killing lambs. During three trials, coyotes did not kill any of eight lambs in an enclosure surrounded by electric fencing but, in each trial, all eight lambs in an enclosure with conventional fencing were killed in 8–9 days. Two sheep enclosures (each 8,000 m2) were constructed within a coyote-proof 64-ha pasture. One enclosure had a 12-wire electric fence, 1.5 m high, with an additional electrified wire 20 cm outside the enclosure and 15 cm above the ground. The other enclosure had conventional wire fencing (81-cm woven wire with two strands of barbed wire, 15 cm apart, above the woven wire). For each of three trials, each lasting two weeks, a pair of wild-born captive coyotes was released into the pasture and eight lambs were placed in each of the two enclosures and observed daily. A different coyote pair was used for each trial.

(Summarised by Kayla Seltzer )