| Electric Fence for Dairy Cattle Electric fencing for dairy cattle centers around two main features: outdoor control and dairy barn control (indoor control). Certain factors must be considered for each situation.
FENCE WIRE FOR DAIRY CATTLE CONTROL Dairy cattle are among the easiest animals to contain with electric fences because they are relatively docile and are accustomed to daily human contact. 
There are several options for fencing dairy cattle. Depending on a variety of factors, the number of fence wires can vary from one to six, depending on:
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size of the cows -
life expectancy of the fence -
whether you will keep calves with the cows -
if you are concerned about keeping out predators -
whether you use rotational grazing A fence enclosing both cows and calves requires an electrified wire at the nose-level height of each. Calves and heifers will require lower wires and closer wire spacing than cows. Dairy bulls require additional wires and higher voltage, as they can be aggressive. Note: If livestock get their heads between fence wires and receive a shock behind the eyes instead of in front of them, they tend to push into the fence rather than pull out. Proper wire spacing (a hot wire at the animal’s shoulder height) is important to safely contain your animals. For temporary fencing within a perimeter fence or rotational grazing, a single electrified wire can be effective.
FENCE CHARGERS FOR DAIRY CATTLE CONTROL
To safely contain most dairy cows, you need a fence charger that maintains a minimum of 2,000 volts on the fence line. Voltage levels are impacted by vegetation on the fence line, length of fence and type of wire. Note: A minimum of 5,000 volts on the fence line is required to keep predators out.  We recommend you purchase a Zareba® fence charger capable of maintaining these voltage levels.
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Use a low impedance fence charger for heavy weed conditions, long fences, and fences using poly wire or poly tape -
A solid state fence charger is effective with light to moderate weed conditions, shorter fences, and fences using conventional metal wire -
Battery and solar powered chargers are ideal for remote installations where AC power is not available Bulls require additional wires and higher voltage, as they can be aggressive. To learn more about fencing systems for bulls, refer to our Livestock FAQs. Zareba® has the electric fence part you need to contain your dairy animals. We have everything from a cow trainer chargers to high tensile fence accessories.
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