Alfalfa meal or ground alfalfa hay can help keep down "little pig" costs in feeding sows this winter and spring.
Catron, Damon and Culbertson, C. C.
"More Pigs with Alfalfa Meal,"
Iowa Farm Science: Vol. 2
, Article 4.
Available at: https://lib.dr.iastate.edu/farmscience/vol2/iss7/4