1, salted duck eggs preserved for more than one year are generally inedible. Pay attention to the freshness and hygiene of food in daily life. Any food should not be stored for too long to avoid deterioration and gastrointestinal discomfort after eating by mistake.

2. The curing time of salted duck eggs should not be too long, which usually takes 30 days. The shelf life of salted duck eggs is generally about six months. Salted duck eggs preserved for more than one year generally exceed the shelf life. At this time, salted duck eggs may have been invaded by pathogenic microorganisms such as bacteria, producing more harmful substances, and generally there will be deterioration phenomena such as odor and mildew. If you continue to eat them, it may affect your health and produce nausea, vomiting, abdominal pain and other manifestations. Therefore, salted duck eggs preserved for more than one year are generally inedible.