The cotton dregs of rice, adopt the high quality cottonseed, soak and publish and process succeeding " wide good fortune" once only after pressing dealing with in advance card fodder . The form is yellowish-brown powder one , there is not peculiar smell , the thick albumen reaches 37 － 42% , Thick ash content is smaller than 7% , the moisture content does not exceed 12% ; Poisonous material, free cotton content of phenol are smaller than 1200 mg / kg , it is the fodder industry . First-class raw materials of aquaculture