Homegrown eggs (IMAGE) Michigan Technological University Caption In 2020, stores sold out of garden seed, coops and rabbit cages. Meat shortages led many to wonder what to eat for protein when supply chains are disrupted and some people turned to gathering eggs, raising animals and growing their own food. A team from Michigan Tech and the University of Alaska assessed backyard protein sources. Credit Allison Mills/Michigan Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.