The amount of L. plantarum in each diet was determined at 0, 30,
and 60 days of storage by spread plating on tryptone soya agar (TSA)
agar. L. plantarumlevel decreased by 6e11% and 21e33% over 30 days
and 60 days of storage, respectively. Therefore, fresh diets were
prepared at 30 days interval to ensurehighprobiotic levels inthe diets