Dreams about dead snakes can carry a variety of meanings depending on the context and emotions involved in the dream. In general, snakes often symbolize transformation, healing, or hidden fears. Seeing dead snakes in an open cage may suggest a few interpretations:

1. Stagnation or Missed Opportunities: The dead snakes could represent aspects of your life that are not being nurtured or developed. The open cage might indicate that these opportunities are accessible, but you are not engaging with them, possibly due to fear or indecision.
2. Releasing Fear: If you have been dealing with fears or anxieties, the dead snakes could symbolize the release of those fears. Their death might indicate that you are overcoming something that once felt threatening but is no longer a concern.
3. Consequences of Neglect: The fact that the snakes died from not being fed may highlight areas in your life where you feel neglected or where you have neglected your own needs. It could be a reminder to pay attention to your emotional, physical, or spiritual well-being.
4. Transformation and Change: Snakes often symbolize change. The dead snakes in your dream could point to a transformation that has not occurred, or it may suggest that you are at a point where a change is needed but has not yet taken place.

Reflect on your current life circumstances and emotions to see which interpretation resonates most with you. Consider what areas of your life may need more attention or nurturing.