Source text
وَإِنْ مَاتَ فِيهَا فَأْرَةٌ أَوْ نَحْوُهَا لَزِمَ نَزْحُ عِشْرِينَ دَلْوًا
• If a mouse, sparrow, or a similar small animal dies in the well without swelling, 20 buckets are required.
• The commentary recommends increasing the amount to 30 buckets.