Looks to me as if he's got the whole herd back.

"It feels like he ran the whole herd through my head!"

A whole herd might break into a run in an instant, if they heard a strange sound.

No, we have to take out the whole herd at one stroke.

One human life was more important than a whole herd of pigs.

He didn't know, but it felt like a whole herd of them.

"I want the whole herd to be used to moving together from the start," he said.

If one of those animals gets a disease, why kill the whole herd?

The next few minutes were worse than a whole herd of nightmares.

The whole herd disappeared around the far side of the grove.