Heifer – a cow that has not borne a calf, or has borne only one calf. In North America, a typical farm has about 100 milk cows and as many young female stock called heifers. The heifers are raised as replacement cows.
Lake Ontario is one of the five Great Lakes of North America. It is bordered by the Canada and United States. It is the only Great Lake not to border the state of Michigan.
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