In that sense, the prized truffles from Europe, which are generally dug up individually using dogs or trained pigs with sensitive snouts, may be leading the way.

Currently, researchers typically use pigs or rats, exercising them on treadmills for weeks so that their hearts eventually enlarge.

Some people do not use Oxford commas: "cows, horses, pigs and sheep".

Some contests use larger pigs, while others use those that are smaller.

Virtually every house int the village had an adjacent animal stall which used to shelter the family cows, steers, pigs, and horses.

Although Galen studied the human body, dissection of human corpses was against Roman law, so instead he used pigs, apes, and other animals.

Hirst rode Jupiter in a fox hunt, using pigs as pointers instead of dogs.

For example, Holzer is using pigs to dig new beds.

The issue being filmed dealt with whether the city should have garbage collectors or continue using pigs to eat their trash.

Current experiments in xenotransplantation most often use pigs as the donor, and baboons as human models.