Jerry is a 1-year-old male American Guinea Pig who weighs 2.4 pounds. Jerry is a sweet guinea pig who loves munching on hay, nibbling on veggies, and exploring his surroundings. While he's still ...

I realized I am a guinea pig,” Forrest Smith said of his transition from male to female at age 19. After five years, Smith ...

Research from the University of Queensland has found the sex of feral pigs and seasonal conditions are likely to intensify ...

New Hampshire native Tim Andrews was quite happy to spend his 67th birthday on Wednesday at Mass General Hospital (MGH). On ...

Female pigs may be the "factories" of feral populations, but a new study suggests male pigs are the disease "super spreaders" ...

The first big opportunity with male sterile hybrids is they don’t develop the grains, so you don’t have to worry about ...

In trials with rabbits and pigs that had damaged penis tissue, the 3D printed penis was able to restore sexual function. It ...

A triazole fungicide, ipconazole, impacts sperm in a study of two male mammal species, indicating negative effects on reproductive health.

When the pigs were allowed to breed a few weeks after surgery, pregnancy rates rose from just 25 percent in the defect group ...

On 1 March, some new rules boosted pig welfare in Denmark. These changes are part of the country’s first animal welfare ...

Marco Evaristti’s provocative exhibition in Copenhagen was designed to protest Denmark’s pork industry. But then there was a ...