19956
In fact , progeny phototactic response was significantly affected at or below 21 - day LOEC thresholds for fecundity in broods 2 , 3 , 5 and 6 of the NaCl experiment and in broods 2 , 4 , 5 and 6 of the dissolved Ag + study .
 Chemical: NaCl; Chemical: Ag +
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: NaCl; Chemical: Ag +