University of Minnesota Extension - Livestock Systems http://www.extension.umn.edu/farm
Educational programs for agricultural systems that produce, market, or consume animal products. Information on aspects of livestock, poultry, and dairy production (including nutrition, genetics, animal health, and breeding, as well as finance, environmental management, and other related topics).
Martha's Vineyard Shellfish Group http://www.mvshellfishgroup.org/
Aquaculture techniques for the hatchery and field production of commercially important bivalve shellfish including spawning, phytoplankton, larval, and seed production. Descriptions of culture methods including solar hatchery and tidal-powered nurseries.
Journal of Animal Science http://jas.fass.org/
official journal of the American Publication lists results of new research in genetics, growth and physiology, nutrition, and production. Includes access to archived issues.