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Bio-Serv AIN-76A Rodent Diet, Particle Shape: Pellet, Rodent diet, Quantity: 5000g, Components: Sucrose, Casein, Corn Starch, Corn Oil, Cellulose, Mineral Mix, Vitamin Mix, DL-Methionine, Choline Bitartrate, Diameter: 0.5 in., 1.27cm, For Use With: Used i