In the 1990s and early 21st century, several meat packing firms sought to transfer the vertical integration techniques perfected by IBP in beef to the pork industry. Using the Internet, develop a flow chart of the activities in an economic system that takes a pig from its pen to the supermarket meat case. Once you have done this, continue your research so that you can answer the following question:

Which activities have become vertically integrated in the pork business in the last 15 years and why?