Could Merrick be making my dog sick? How do I know if its been recalled or changed?

I have a 2 year old Shichon (shihtzu/bichon). She's been eating merrick for about a year or so. She's never had any problems with it. Until last month…

ASKED BY Stella on 8/10/13
TAGGED merrick, food, sick, littledog, recalls, whitegums, whitetongue IN Pet Food