Chapter 18 Fish Feed Production, Storage and
Bulk raw materials or readymade feed can be stored in silo systems made of concrete or insulated metal plate. Polyurethane is inserted between two metal plates, or a prefabricated ''sandwich'' panel is used. Blowing ventilators are used for the ventilation of modern storing silos, which not only cools the stored material but also decrease the moisture content. Cereals can be stored at 20