Gravel chub silt and debris. They are more often found in areas with limited macrophytes and larger root aquatic plants, algae and moss. Because of their need of a specialized clean habitats, the gravel chub is especially vulnerable to various forms of pollution, especially from agriculture practices that create erosion and excessive silt. In past sampling surveys the gravel chub had been found as far north in the Upper Iowa River as Le Roy, Minnesota, but because of excessive amounts of sewage, pesticides and sedimentation of rocks and sand, this is no longer the case. The presence of gravel chubs in a
Granular cheese cheese. Granular cheese for manufacturing must meet all of these standards except that it does not need to be cured, nor do the dairy ingredients used need to be pasteurized. This is the type of granular cheese most commonly used for processing. Although granular cheese can be created using any method that achieves the designated standard for physical and chemical properties, there is one method that is generally used. First, the milk or cream may be warmed and treated with hydrogen peroxide and catalase, producing water and oxygen gas. Then, a lactic acid-producing bacterial culture is added, and the product