6561
Male Sprague - Dawley rats and C57BL6 mice were fed one of four palatable diets [ 45 % fat pellet , 60 % fat pellet or standard pellet supplemented with Ensure ( EN ; Abbott Laboratories , Maidenhead , UK ) or 12 . 5 % sucrose ( SUC ) ] either ad lib . or with daily 2 - h scheduled access and standard pellet available for 22 h .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None