A cattle prod, also called a stock prod, is a handheld device commonly used to make cattle or other livestock

Livestock

Livestock refers to one or more domesticated animals raised in an agricultural setting to produce commodities such as food, fiber and labor. The term "livestock" as used in this article does not include poultry or farmed fish; however the inclusion of these, especially poultry, within the meaning...

 move by striking or poking them, or in the case of a Hot-Shot-type prod, through a relatively high-voltage, low-current electric shock

Electric shock

Electric Shock of a body with any source of electricity that causes a sufficient current through the skin, muscles or hair. Typically, the expression is used to denote an unwanted exposure to electricity, hence the effects are considered undesirable....

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Ranchers and farmers use the term "cattle prods" mainly to refer to fibreglass or metal

Metal

A metal , is an element, compound, or alloy that is a good conductor of both electricity and heat. Metals are usually malleable and shiny, that is they reflect most of incident light...

 rods used for encouraging cattle to move; the majority of people living outside of rural areas use the term 'cattle prod' exclusively for the electrified variant.