4150
Hunter L * and a * values of eggshell were decreased ( linear , P < 0 . 05 ) as the concentrations of Mg in diets increased .
 Chemical: Mg
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: Mg