I magnified the photos and they dont look like tapeworm segments. It looks more like a small feather sheath.
Have you looked inside the feed sacks for mold especially at the top of the sack where the glue or string is attached?
Also, have you seen any clumps of feed, any size small or big, in the feed sack itself?
Have you looked inside the feed sacks for mold especially at the top of the sack where the glue or string is attached?
Also, have you seen any clumps of feed, any size small or big, in the feed sack itself?