1.   He keeps a herd of dairy cows.

2.   Outside Yellowstone, human hunters now keep the herds in check.

3.   Severe winters and loss of winter habitat to logging keep the herd from growing.

4.   The federal aid is intended to help farmers keep herds of cattle and sheep alive by providing forage, and to help the states improve their conservation infrastructure.

5.   The Virginia herd is kept away from visitors and managed by the volunteer fire company on nearby Chincoteague Island.

6.   What president would not want such a whip to keep the herd in line.

7.   Grazing resources are so scarce this year that many farmers find it hard to keep their herds of livestock.