M.F. Petty, DVM, Alabama

Results were as follows:

1. No internal parasites were discovered in the test group at any time after seven days of the DE.
2. All hogs on DE stopped rooting and destroying the wooden feeder after 10 days.
3. By the end of the third week the odor of the test group was noticeably less offensive than the control group.
4. At the end of six weeks the fly population decreased markedly.