Problem: You have a contract to deliver 100 pigs to a cooperative pig market every 28 days. Using the information from Question 2, and the following additional information, how many litters should you wean every 28 days?
Number weaned per litter: 8
Number born alive per litter: 10
Finishing floor survival: 85%
Nursery survival: 80%
How many sows should you breed to produce these litters?