Animal feed compositions comprising amounts of protein, carbohydrate, fat
and a functional ingredient for preventing hairball formation are provided. The
functional ingredient comprises an electrostatically charge ingredient, preferably
selected from the group consisting of electrostatically charged proteins, amino
acids, conjugated proteins, dipeptides, multipeptides, protein colloids, enzymes,
protein hydrolysates, natural and artificial food additives, flavorings, seasonings,
and mixtures thereof.
