| abstract |
Substitute fiber materials include at least one starch, at least one acid, and at least one plasticizer. The starch may be ground whole grain, the acid may be citric acid, and the plasticizer may be glycerin. The substitute materials are biodegradable and compostable. Methods involve feeding animals the substitute fiber materials as a substitute for or a supplement to natural fiber. The substitute fiber materials are at least partially digested in the animal. |