Horrible Hogs

In a 1985 experiment, a group of pigs had the gene for human growth hormone engineered into their DNA. The intent of the experiment was to produce hogs that would grow bigger, faster, and without increasing their feed. The results of the experiment were not good. The hogs had improperly functioning immune systems; their skeletons were not able to carry their body weight; and, the hogs were sterile. The experiment was abandoned.

Explore More: Genetic Engineering
Copyright 2004, Iowa Public Television
The Explore More project is supported by funds from the
Roy J. Carver Charitable Trust
and the USDE Star Schools Program.