Ok educate us...
Bowers survival rate is based on two equal sized crops per cycle. To achieve that rate they cant produce shrimp over a certain size (X). They cant do this because in their system encounters high death rates as shrimp get larger (That's straight from the horse's mouth. Read the article).
Now if they can't keep their 54% survival rate growing shrimp over size X, how are they going to compete in the X+Y size shrimp market assuming others can produce a 54%+ survival rate for that sized (X+Y) market?
You seem hung up on manufacturing cost, but that's an entirely different topic. Maybe Bowers can produce a lower manufacturing cost for size X shrimp, but that doesnt mean they can compete in the size X+Y market because as they admit, they cant grow anything over a certain size and maintain their survival rate.
Market Data 
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