Re: visual cues, a de-powered electric fence almost works as well as a powered-on fence. (It doesn't, because cows will reach through and around a fence to get

Re: visual cues, a de-powered electric fence almost works as well as a powered-on fence. (It doesn't, because cows will reach through and around a fence to get bites of tall grass on the other side, and if it doesn't shock them at that point they'll start pushing through to reach more.)