It important to know the weight of both small square and large round hay bales to determine feeding rate and economic costs.
How many small bales of hay (max 100 lbs) are in a large round bale of hay? - Quora
Why Do Bales of Hay Come in Different Shapes?
Baling Hay by Hand - Oak Hill Homestead
What Is the Difference Between Square and Round Hay Bales? - World Of Agriculture - Sustainable Secure Food Blog
Hay supply near 50-year low, prices near record highs
Round Bale Hay Storage Oklahoma State University
What is a normal hay bale size, and how many can I get per acre/hectare? - Quora
Feeding horses with a round-bale feeder
Moisture content of forage at baling affects forage quality at feeding - Jamestown Sun