Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
The catch number to stock number ratio is only 14.5% - is that considered a good return on investment?
If you have stocking numbers that can beat this then post away!
...100,000 per year. And the longest of these so called trout streams is three miles.
Pennslyvania stocks 1.2 million steelhead smolt every year into about a dozen, at the most, little creeks in NE PA. There are only three streams that I consider really fishable with a fly rod and one of them is just a zoo. The other two have somewhat less pressure and if you are willing to walk 1 - 2 miles away from your vehicle you can often find long stretches of stream with just half a dozen other guys.