This piece explains when and how to wash fresh eggs in order to avoid contamination. They have different rules than USDA-graded eggs.
Should you wash eggs or not?
Eggs - is washing and refrigerating necessary? - The Livestock Project
Washed vs. Unwashed Eggs : r/selfreliance
Do Eggs Expire, and Is It Safe to Eat Expired Eggs? Here's How to Tell
How and When to Clean Your Farm Fresh Eggs - Rivers Family Farm
How to Wash Farm Fresh Eggs--Or is it Better Not To? — Golden Vista Farm
Backyard eggs: Tips for cleaning and storing eggs - AgriLife Today
3 Ways to Clean Eggs - wikiHow Life
The Correct Way to Clean & Store Fresh Eggs