In zoo animals, sand ingestion is a fact of life.

Sand impactions may then occur if the sand in the gut of the animal is not moved out. Often animals on very rough forage may require help in moving the sand from their gut. Psyllium husk has long been used as a safe effective laxative in horses and elephants.

Psyllium husk is a very light powder that sifts out of feed easily and is commonly blown away by wind or the animal