The invention relates to agriculture, livestock industry, and is intended for watering calves suckling period.; Drinker nipple comprises a nipple with a hole, connected to a container for liquid feed. The container neck is installed a dosing device having a housing and a cover defining a cavity, which is fixed by crimping the nipple and separates the cavity of the container from the cavity nipples.; The formed body and the cover of the metering device forms a cavity in which the valve is mounted, planted on the rod which holds in a closed position opening the lid, except the feed flow of the liquid from the container to the nipple by spring elasticity. Due to the switching valve is carried metering consumption of liquid feed through the cavity at a pressure drop in the oral cavity of the calf in a step of sucking and swallowing.
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